Home Page About Mindat The Mindat Manual History of Mindat Copyright Status Who We Are Our Science Mindat Newsletter [Free Download]Contact Us

Donate to Mindat Sponsor a Page Corporate Sponsorship Sponsored Pages

Learning Center What Is a Mineral?The Most Common Minerals on Earth Information for Educators Mindat Articles Mindat Newsletter [Free Download]The Elements The Mineral Quiz

Search Form Minerals by Properties Minerals by Chemistry Mineral Visual Explorer Advanced Locality Search Random Mineral Random Locality Search by minID Minerals by Country Alphabetical Mineral Index Alphabetical Locality Search Mineral Association Search List of Countries Localities Near Me Photo Search Search Articles Search Glossary The Rock H. Currier Digital Library More Search Options

The Mindat Manual Add a New Photo Rate Photos Locality Edit Report Coordinate Completion Report Add Glossary Item

Minerals Petrology Fossils Meteorites Geologic Time

Mining Companies Statistics Mineral Museums Clubs & Organizations Mineral Shows & Events Device Settings Time Machine

Read Discussions Identification Request

Photo Search Photo Galleries Search by Colour Photo Colour Explorer New Photos Today New Photos Yesterday Members' Photo Galleries Past Photo of the Day Gallery Photography

Euxenite-(Y)-Columbite solid solution

A solid-solution series between two end-member minerals

This page is currently not sponsored. Click here to sponsor this page.

Photos of Euxenite-(Y)-Columbite solid solution (1622)Recorded Ages and Analyses Discuss Euxenite-(Y)-Columbite solid solution

Euxenite-(Y)-Columbite solid solution Gallery Search Photos of Euxenite-(Y)-Columbite solid solution

Edit Euxenite-(Y)-Columbite solid solution Add Synonym Edit CIF structures Clear Cache

Columbite-(Mn)

Topsham, Sagadahoc County, Maine, USA

Columbite-(Mn)

Londonderry Li deposit, Nepean, Coolgardie Shire, Western Australia, Australia

Columbite-(Mn)

Grotta d'Oggi, San Piero in Campo, Campo nell'Elba, Livorno Province, Tuscany, Italy

Columbite-(Mn)

Topsham, Sagadahoc County, Maine, USA

Columbite-(Mn)

Londonderry Li deposit, Nepean, Coolgardie Shire, Western Australia, Australia

Columbite-(Mn)

Grotta d'Oggi, San Piero in Campo, Campo nell'Elba, Livorno Province, Tuscany, Italy

Columbite-(Mn)

Topsham, Sagadahoc County, Maine, USA

Columbite-(Mn)

Londonderry Li deposit, Nepean, Coolgardie Shire, Western Australia, Australia

Hide all sections | Show all sections

About Euxenite-(Y)-Columbite solid solutionHide

This section is currently hidden. Click the show button to view.

Series Formula:

(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)₂O₆ to

A series between Euxenite-(Y) and 'Columbite-(Fe)-Columbite-(Mn) Series'

Unique IdentifiersHide

This section is currently hidden. Click the show button to view.

Mindat ID:

47854

Long-form identifier:

mindat:1:1:47854:4

Similar NamesHide

This section is currently hidden. Click the show button to view.

Eugenite	A valid IMA mineral species	Ag₁₁Hg₂
Euxenite-(Y)	A valid IMA mineral species - grandfathered	(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)₂O₆
Yixunite	A valid IMA mineral species	Pt₃In

View all 22 analyses with additional filters.

Age distributionHide

This section is currently hidden. Click the show button to view.

Recorded ages:

Paleoproterozoic to Carboniferous : 1772 Ma to 325 ± 2 Ma - based on 22 recorded ages.

Sample ages:

Sample ID	Recorded age	Geologic Time	Dating method
1	325 ± 2 Ma	Mississippian	U–Pb
2	509 ± 2.9 Ma	Miaolingian	U-Pb
3	620 Ma	Ediacaran	Pb206/Pb207
4	907 ± 1.8 Ma	Tonian	Pb-U
5	908.9 ± 1.4 Ma	Tonian
6	910.2 ± 7.1 Ma	Tonian	Pb-U
7	911 ± 3 Ma	Tonian
8	991.6 ± 3.6 Ma	Tonian	Pb-U
9	1060 ± 6 Ma	Stenian	U-Pb concordia-discordia intersection
10	1082.3 ± 4.5 Ma	Stenian	Pb-U
11	1772 Ma	Statherian	U-Pb

Sample references:

ID	Locality	Reference
1	Nová Ves pegmatite, Nová Ves, Český Krumlov District, South Bohemian Region, Czech Republic	Melleton, J.; Gloaguen, E.; Frei, D.; Novak, M.; Breiter, K. (2012) How Are the Emplacement of Rare-Element Pegmatites, Regional Metamorphism and Magmatism Interrelated in the Moldanubian Domain of the Variscan Bohemian Massif, Czech Republic? The Canadian Mineralogist, 50 (6). 1751-1773 doi:10.3749/canmin.50.6.1751
2	Capoeira 1 pegmatite, Parelhas, Rio Grande do Norte, Brazil	Baumgartner, R., Romer, R. L., Moritz, R., Sallet, R., Chiaradia, M. (2006) Columbite-tantalite-bearing granitic pegmatites from the Seridó belt, northeastern Brazil: Genetic constraints from U-Pb dating and Pb isotopes. The Canadian Mineralogist, 44 (1). 69-86 doi:10.2113/gscanmin.44.1.69
3	Ambodivoandelaka, Ankisabe, Soavinandriana District, Itasy, Madagascar	Besaire, Henri (1963) La géochronologie a Madagascar en 1962. Annales géologiques du Service des mines, 33. 11-16
4	Mølland, Iveland, Agder, Norway	Müller, Axel, Romer, Rolf L., Pedersen, Rolf-Birger (2017) The Sveconorwegian Pegmatite Province – Thousands of Pegmatites Without Parental Granites. The Canadian Mineralogist, 55 (2) 283-315 doi:10.3749/canmin.1600075
5	Vintergruben Quarry, Ånnerud, Våler, Østfold, Norway	Müller, Axel, Romer, Rolf L., Pedersen, Rolf-Birger (2017) The Sveconorwegian Pegmatite Province – Thousands of Pegmatites Without Parental Granites. The Canadian Mineralogist, 55 (2) 283-315 doi:10.3749/canmin.1600075
6	Steli Feldspar Quarry, Tveit, Iveland, Agder, Norway	Müller, Axel, Romer, Rolf L., Pedersen, Rolf-Birger (2017) The Sveconorwegian Pegmatite Province – Thousands of Pegmatites Without Parental Granites. The Canadian Mineralogist, 55 (2) 283-315 doi:10.3749/canmin.1600075
7	Hidra, Flekkefjord, Agder, Norway	Müller, Axel, Romer, Rolf L., Pedersen, Rolf-Birger (2017) The Sveconorwegian Pegmatite Province – Thousands of Pegmatites Without Parental Granites. The Canadian Mineralogist, 55 (2) 283-315 doi:10.3749/canmin.1600075
8	Thor's Mine, Vats, Vindafjord, Rogaland, Norway	Müller, Axel, Romer, Rolf L., Pedersen, Rolf-Birger (2017) The Sveconorwegian Pegmatite Province – Thousands of Pegmatites Without Parental Granites. The Canadian Mineralogist, 55 (2) 283-315 doi:10.3749/canmin.1600075
9	Gloserheia, Froland, Agder, Norway	Baadsgaard, H., Chaplin, C., & Griffin, W. L. (1984). Geochronology of the Gloserheia pegmatite, Froland, southern Norway. Norsk geologisk tidsskrift, 64 (2), 111-119.
10	Tangen Feldspar Mine, Kragerø, Telemark, Norway	Müller, Axel, Romer, Rolf L., Pedersen, Rolf-Birger (2017) The Sveconorwegian Pegmatite Province – Thousands of Pegmatites Without Parental Granites. The Canadian Mineralogist, 55 (2) 283-315 doi:10.3749/canmin.1600075
11	Tiltvika pegmatite, Tiltvika, Hamarøy, Nordland, Norway	Husdal, T., M

Chemical AnalysisHide

This section is currently hidden. Click the show button to view.

Oxide wt%:

	1	2	3	4	5	6	7	8
Nb₂O₅	23.49 %	68,82 %	68,84 %	43.74 %	56.15 %	39.04 %	50.34 %	36.63 %
Ta₂O₅	2.55 %	9,01 %	9,18 %	27.99 %	19.55 %	42.08 %	29.45 %	42.32 %
TiO₂	25.64 %	2,38 %	2,35 %	1.64 %	0.36 %	0.12 %	0.04 %	0.19 %
SiO₂	0.47 %
SnO₂	0.12 %			3.79 %
UO₂	7.95 %							0.06 %
ThO₂	2.40 %
REE total	25.77 %
Sc₂O₃	0.03 %	1,69 %	1,38 %
PbO	0.12 %
Al₂O₃	0.07 %
FeO	0.40 %	10,55 %	11,13 %	14.44 %	13.46 %	0.73 %	1.07 %	6.97 %
Fe₂O₃	4.66 %
MnO	0.18 %	6,57 %	6,69 %	5.32 %	5.82 %	16.35 %	17.59 %	10.29 %
MgO	0.08 %	0,63 %	0,56 %
CaO	2.8 %
BaO	0.0014 %
SrO	0.001 %
Cr₂O₃	0.001 %
CoO	0.001 %
NiO	0.001 %
CuO	0.001 %
H₂₀	3.26 %
WO₃				0.89 %		0.04 %	0.14 %
U₃O₈				0.08 %
Total:	99.9964 %	96 %	97 %	97.89 %	95.34 %	98.36 %	98.63 %	96.46 %

Empirical formulas:

Sample ID	Empirical Formula
9	(Mn0.95Fe3+0.05)1.00(Nb1.71Ta0.24Ti0.05)2.00O6.00
10	(Mn0.95Fe3+0.05)1.00(Nb1.71Ta0.24Ti0.05)2.00O6.00
11	(Mn_0.49Fe_0.39Mg_0.01W_0.02)_0.91(Nb_1.68Ta_0.16)_1.84O₆

Sample references:

ID	Locality	Reference	Notes
1	Kalstadgangen, Lindvikskollen-Kalstadgangen pegmatite, Kragerø, Telemark, Norway	Hongslo, T.; Langmyhr, Finn Johan (1960) Contributions to the mineralogy of Norway. No. 6. On the chemical composition of Blomstrandine and euxenite. Norsk Geologisk Tidsskrift [Norwegian Journal of Geology], 40 (2). 157-164	Whetchemical analyses Note: The stannic oxide is contaminated with barium.
2	Atagoyama, Koriyama City, Fukushima Prefecture, Japan	Matsubara, S., Miyawaki, R., Yokoyama, K., Momma, K., Shigeoka, M., and Hashimoto, E. (2013) Pyrochlore and microlite in a pegmatite at Atagoyama, Koriyama City, Fukushima Prefecture, Japan. Bulletin of the National Museum of Nature and Science, Ser. C, 39, 1
3	" "	Matsubara, S., Miyawaki, R., Yokoyama, K., Momma, K., Shigeoka, M., and Hashimoto, E. (2013) Pyrochlore and microlite in a pegmatite at Atagoyama, Koriyama City, Fukushima Prefecture, Japan. Bulletin of the National Museum of Nature and Science, Ser. C, 39, 1
4	Kawadgaon-Challanpara pegmatite field, Dantewada District, Chhattisgarh, India	Singh, Yamuna, Pandit, P. S. C., Bagora, Sanjay, Jain, P. K. (2017) Mineralogy, geochemistry, and genesis of co-genetic granite-pegmatite-hosted rare metal and rare earth deposits of the Kawadgaon area, Bastar craton, Central India. Journal of the Geological Society of India, 89 (2) 115-130 doi:10.1007/s12594-017-0574-2	Columbite-(Fe) from a granite pegmatite. EMPA analysis
5	Marlagalla-Allapatna, Mandya District, Karnataka, India	Sarbajna, Chanchal; Krishnamurthy, P.; Paul, A.K.; Banerjee, D.C. (2000) Mineralogical and Chemical Characteristics of Complexly-Zoned Columbite-Tantalite from the Rare Metal Pegmatites of Southern Karnataka. Journal of the Geological Society of India, 56 (5). 557-571 doi:10.17491/jgsi/2000/560508	The sample is EMPA analysed from 9 spots from core to rim. The Fe/Mn and Nb/Ta ratioes are variable, but all corresponds to columbite-(Fe). This analysis is from the core of the sample.
6	Ågskardet LCT Pegmatite, Holandsfjorden, Meløy, Nordland, Norway	Kristiansen, Roy (1994) To nye mineraler for Norge- manganokolumbitt og hingganitt-(Yb) [Two new minerals for Norway- Manganocolumbite and Hingganite-(Yb) ], in Tema: En mineralog runder 50. STEIN. Nordisk magasin for populær geologi, 21 (2) 88-93	Analysis by Dr.A.V.Voloshin.
7	" "	Kristiansen, Roy (1994) To nye mineraler for Norge- manganokolumbitt og hingganitt-(Yb) [Two new minerals for Norway- Manganocolumbite and Hingganite-(Yb) ], in Tema: En mineralog runder 50. STEIN. Nordisk magasin for populær geologi, 21 (2) 88-93	Analysis by Dr.A.V.Voloshin
8	Marlagalla-Allapatna, Mandya District, Karnataka, India	Sarbajna, Chanchal; Krishnamurthy, P.; Paul, A.K.; Banerjee, D.C. (2000) Mineralogical and Chemical Characteristics of Complexly-Zoned Columbite-Tantalite from the Rare Metal Pegmatites of Southern Karnataka. Journal of the Geological Society of India, 56 (5). 557-571 doi:10.17491/jgsi/2000/560508	3 out of 7 EMPA analysed spots from core to rim of this sample corresponds to columbite-(Mn). The core is columbite-(Mn) and the heavily zoned crystal has compositions alternating between columbite-(Mn), tantalite-(Fe) and columbite-(Fe). The sample is from a pegmatite.
9	Palelni mine, Khetchel village, Molo quarter, Momeik Township, Kyaukme District, Shan State, Myanmar	Pavel M. Kartashov analytical data (2018), S. Ellenberger material
10	" "	Pavel M. Kartashov analytical data (2018), S. Ellenberger material
11	Ambatonapetraka pegmatites, Mangarano, Antsirabe II District, Vakinankaratra, Madagascar	Ranorosoa, Nadine (1986) Thèse de doctorat de L'Université Paul Sabatier, Toulouse. Étude minéralogique des pegmatites du champ de la Sahatany, Madagascar, 1-240	"Niobite mangan

Crystal StructureHide

This section is currently hidden. Click the show button to view.

Load
Unit Cell | Unit Cell Packed
2x2x2 | 3x3x3 | 4x4x4

View
CIF File Best | x | y | z | a | b | c

Rotation
Stop | Start

Labels
Console Off | On | Grey | Yellow

Data courtesy of the American Mineralogist Crystal Structure Database. Click on an AMCSD ID to view structure

ID	Species	Reference	Year	Locality	Temp (K)
0008845	Columbite-(Mn)	Tarantino S C, Zema M, Pistorino M, Domeneghetti M C (2003) High-temperature X-ray investigation of natural columbites Physics and Chemistry of Minerals 30 590-598	2003	Kragero, Norway	293
0008842	Columbite-(Fe)	Tarantino S C, Zema M, Pistorino M, Domeneghetti M C (2003) High-temperature X-ray investigation of natural columbites Physics and Chemistry of Minerals 30 590-598	2003	San Jose de Safira, Minas Gerais, Brazil	293
0018629	Columbite-(Fe)	dos Santos C A, Zawislak L I, Kinast E J, Antonietti V, da Cunha J B M (2001) Crystal chemistry and structure of the orthorhombic (Fe,Mn)(Ta,Nb)2O6 family of compounds Brazilian Journal of Physics 31 616-631	2001	Brazil	293
0008846	Columbite-(Mn)	Tarantino S C, Zema M, Pistorino M, Domeneghetti M C (2003) High-temperature X-ray investigation of natural columbites Physics and Chemistry of Minerals 30 590-598	2003	Kragero, Norway	573
0008843	Columbite-(Fe)	Tarantino S C, Zema M, Pistorino M, Domeneghetti M C (2003) High-temperature X-ray investigation of natural columbites Physics and Chemistry of Minerals 30 590-598	2003	San Jose de Safira, Minas Gerais, Brazil	573
0008844	Columbite-(Fe)	Tarantino S C, Zema M, Pistorino M, Domeneghetti M C (2003) High-temperature X-ray investigation of natural columbites Physics and Chemistry of Minerals 30 590-598	2003	San Jose de Safira, Minas Gerais, Brazil	873
0003860	Columbite-(Mn)	Tarantino S C, Zema M (2005) Mixing and ordering behavior in manganocolumbite-ferrocolumbite solid solution: A single-crystal X-ray diffraction study American Mineralogist 90 1291-1300	2005		293
0003850	Columbite-(Mn)	Tarantino S C, Zema M (2005) Mixing and ordering behavior in manganocolumbite-ferrocolumbite solid solution: A single-crystal X-ray diffraction study American Mineralogist 90 1291-1300	2005		293
0003849	Columbite-(Mn)	Tarantino S C, Zema M (2005) Mixing and ordering behavior in manganocolumbite-ferrocolumbite solid solution: A single-crystal X-ray diffraction study American Mineralogist 90 1291-1300	2005		293
0003851	Columbite-(Fe)	Tarantino S C, Zema M (2005) Mixing and ordering behavior in manganocolumbite-ferrocolumbite solid solution: A single-crystal X-ray diffraction study American Mineralogist 90 1291-1300	2005		293
0003848	Columbite-(Fe)	Tarantino S C, Zema M (2005) Mixing and ordering behavior in manganocolumbite-ferrocolumbite solid solution: A single-crystal X-ray diffraction study American Mineralogist 90 1291-1300	2005		293
0003847	Columbite-(Fe)	Tarantino S C, Zema M (2005) Mixing and ordering behavior in manganocolumbite-ferrocolumbite solid solution: A single-crystal X-ray diffraction study American Mineralogist 90 1291-1300	2005		293
0001436	Columbite-(Fe)	Wenger M, Armbruster T, Geiger C A (1991) Cation distribution in partially ordered columbite from the Kings Mountain pegmatite, North Carolina American Mineralogist 76 1897-1904	1991		293
0016267	Columbite-(Fe)	Bordet P, McHale A, Santoro A, Roth R (1986) Powder neutron diffraction study of ZrTiO4, Zr5Ti7O24 and FeNb2O6 _cod_database_code 1008356 Journal of Solid State Chemistry 64 30-46	1986		293
0010827	Euxenite-(Y)	Weitzel H, Schrocke H (1980) Kristallstrukturverfeinerungen von euxenit, Y(Nb0.5Ti0.5)2O6, und M-fergusonit, YNbO4 Zeitschrift fur Kristallographie 152 69-82	1980		293
0001435	Columbite-(Fe)	Wenger M, Armbruster T, Geiger C A (1991) Cation distribution in partially ordered columbite from the Kings Mountain pegmatite, North Carolina American Mineralogist 76 1897-1904	1991		100
0003861	Columbite-(Mn)	Tarantino S C, Zema M (2005) Mixing and ordering behavior in manganocolumbite-ferrocolumbite solid solution: A single-crystal X-ray diffraction study American Mineralogist 90 1291-1300	2005		773
0003862	Columbite-(Mn)	Tarantino S C, Zema M (2005) Mixing and ordering behavior in manganocolumbite-ferrocolumbite solid solution: A single-crystal X-ray diffraction study American Mineralogist 90 1291-1300	2005		803
0003864	Columbite-(Mn)	Tarantino S C, Zema M (2005) Mixing and ordering behavior in manganocolumbite-ferrocolumbite solid solution: A single-crystal X-ray diffraction study American Mineralogist 90 1291-1300	2005		873
0003863	Columbite-(Mn)	Tarantino S C, Zema M (2005) Mixing and ordering behavior in manganocolumbite-ferrocolumbite solid solution: A single-crystal X-ray diffraction study American Mineralogist 90 1291-1300	2005		873
0003852	Columbite-(Fe)	Tarantino S C, Zema M (2005) Mixing and ordering behavior in manganocolumbite-ferrocolumbite solid solution: A single-crystal X-ray diffraction study American Mineralogist 90 1291-1300	2005		873
0008847	Columbite-(Mn)	Tarantino S C, Zema M, Pistorino M, Domeneghetti M C (2003) High-temperature X-ray investigation of natural columbites Physics and Chemistry of Minerals 30 590-598	2003		873
0003854	Columbite-(Fe)	Tarantino S C, Zema M (2005) Mixing and ordering behavior in manganocolumbite-ferrocolumbite solid solution: A single-crystal X-ray diffraction study American Mineralogist 90 1291-1300	2005		923
0003853	Columbite-(Fe)	Tarantino S C, Zema M (2005) Mixing and ordering behavior in manganocolumbite-ferrocolumbite solid solution: A single-crystal X-ray diffraction study American Mineralogist 90 1291-1300	2005		923
0003865	Columbite-(Mn)	Tarantino S C, Zema M (2005) Mixing and ordering behavior in manganocolumbite-ferrocolumbite solid solution: A single-crystal X-ray diffraction study American Mineralogist 90 1291-1300	2005		973
0003856	Columbite-(Fe)	Tarantino S C, Zema M (2005) Mixing and ordering behavior in manganocolumbite-ferrocolumbite solid solution: A single-crystal X-ray diffraction study American Mineralogist 90 1291-1300	2005		973
0003855	Columbite-(Fe)	Tarantino S C, Zema M (2005) Mixing and ordering behavior in manganocolumbite-ferrocolumbite solid solution: A single-crystal X-ray diffraction study American Mineralogist 90 1291-1300	2005		973
0003867	Columbite-(Mn)	Tarantino S C, Zema M (2005) Mixing and ordering behavior in manganocolumbite-ferrocolumbite solid solution: A single-crystal X-ray diffraction study American Mineralogist 90 1291-1300	2005		1073
0003866	Columbite-(Mn)	Tarantino S C, Zema M (2005) Mixing and ordering behavior in manganocolumbite-ferrocolumbite solid solution: A single-crystal X-ray diffraction study American Mineralogist 90 1291-1300	2005		1073
0003858	Columbite-(Fe)	Tarantino S C, Zema M (2005) Mixing and ordering behavior in manganocolumbite-ferrocolumbite solid solution: A single-crystal X-ray diffraction study American Mineralogist 90 1291-1300	2005		1073
0003857	Columbite-(Fe)	Tarantino S C, Zema M (2005) Mixing and ordering behavior in manganocolumbite-ferrocolumbite solid solution: A single-crystal X-ray diffraction study American Mineralogist 90 1291-1300	2005		1073
0003859	Columbite-(Fe)	Tarantino S C, Zema M (2005) Mixing and ordering behavior in manganocolumbite-ferrocolumbite solid solution: A single-crystal X-ray diffraction study American Mineralogist 90 1291-1300	2005		1223

CIF Raw Data - click here to close

data_global
_chemical_name_mineral 'Columbite-(Mn)'
loop_
_publ_author_name
'Tarantino S C'
'Zema M'
'Pistorino M'
'Domeneghetti M C'
_journal_name_full 'Physics and Chemistry of Minerals'
_journal_volume 30 
_journal_year 2003
_journal_page_first 590
_journal_page_last 598
_publ_section_title
;
 High-temperature X-ray investigation of natural columbites
 Note: sample KRA5 at T = 20 C
;
_database_code_amcsd 0008845
_chemical_compound_source 'Kragero, Norway'
_chemical_formula_sum 'Mn.792 Fe.138 Ti.077 Nb1.794 Ta.166 Ca.009 Sn.003 Sc.002 W.001 O6'
_cell_length_a 14.3860
_cell_length_b 5.7478
_cell_length_c 5.0797
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 420.029
_exptl_crystal_density_diffrn      5.513
_symmetry_space_group_name_H-M 'P b c n'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  'x,-y,1/2+z'
  '-x,y,1/2-z'
  '1/2-x,1/2+y,z'
  '1/2+x,1/2-y,-z'
  '1/2+x,1/2+y,1/2-z'
  '1/2-x,1/2-y,1/2+z'
  '-x,-y,-z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
_atom_site_U_iso_or_equiv
Mn2+A   0.00000   0.31970   0.25000   0.79200   0.00690
Fe2+A   0.00000   0.31970   0.25000   0.13800   0.00690
Ti4+A   0.00000   0.31970   0.25000   0.07700   0.00690
Nb5+B   0.16260   0.17960   0.73910   0.89700   0.00720
Ta5+B   0.16260   0.17960   0.73910   0.08300   0.00720
Ca2+B   0.16260   0.17960   0.73910   0.00450   0.00720
Sn4+B   0.16260   0.17960   0.73910   0.00150   0.00720
Sc3+B   0.16260   0.17960   0.73910   0.00100   0.00720
W6+B   0.16260   0.17960   0.73910   0.00050   0.00720
O1   0.09840   0.09850   0.05760   1.00000   0.00880
O2   0.08270   0.38360   0.59690   1.00000   0.01010
O3   0.24370   0.12590   0.41000   1.00000   0.00800
loop_
_atom_site_aniso_label
_atom_site_aniso_U_11
_atom_site_aniso_U_22
_atom_site_aniso_U_33
_atom_site_aniso_U_12
_atom_site_aniso_U_13
_atom_site_aniso_U_23
Mn2+A 0.00630 0.00820 0.00610 0.00000 0.00030 0.00000
Fe2+A 0.00630 0.00820 0.00610 0.00000 0.00030 0.00000
Ti4+A 0.00630 0.00820 0.00610 0.00000 0.00030 0.00000
Nb5+B 0.00820 0.00620 0.00710 0.00020 0.00050 -0.00010
Ta5+B 0.00820 0.00620 0.00710 0.00020 0.00050 -0.00010
Ca2+B 0.00820 0.00620 0.00710 0.00020 0.00050 -0.00010
Sn4+B 0.00820 0.00620 0.00710 0.00020 0.00050 -0.00010
Sc3+B 0.00820 0.00620 0.00710 0.00020 0.00050 -0.00010
W6+B 0.00820 0.00620 0.00710 0.00020 0.00050 -0.00010
O1 0.01040 0.00730 0.00880 0.00110 0.00150 0.00190
O2 0.01110 0.00890 0.01030 0.00140 0.00110 -0.00040
O3 0.00920 0.00590 0.00910 -0.00030 0.00160 -0.00140

Other InformationHide

This section is currently hidden. Click the show button to view.

Health Risks:

No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

Internet Links for Euxenite-(Y)-Columbite solid solutionHide

This section is currently hidden. Click the show button to view.

mindat.org URL:

https://www.mindat.org/min-47854.html
Please feel free to link to this page.

Search Engines:

Look for Euxenite-(Y)-Columbite solid solution on Google

Look for Euxenite-(Y)-Columbite solid solution images on Google

Look for Euxenite-(Y)-Columbite solid solution on Bing

Look for Euxenite-(Y)-Columbite solid solution images on Bing

Look for Euxenite-(Y)-Columbite solid solution on DuckDuckGo

Look for Euxenite-(Y)-Columbite solid solution images on DuckDuckGo

Look for Euxenite-(Y)-Columbite solid solution in the Rock H. Currier Digital Library

Mineral Dealers:

Buy from D. Joyce minerals

References for Euxenite-(Y)-Columbite solid solutionHide

This section is currently hidden. Click the show button to view.

Reference List:

Harlaux, Matthieu, Marignac, Christian, Cuney, Michel, Mercadier, Julien, Magott, Rémi, Mouthier, Bernard (2015) Nb-Ti-Y-HREE-W-U Oxide Minerals With Uncommon Compositions Associated With the Tungsten Mineralization In the Puy-Les-Vignes Deposit (Massif Central, France): Evidence For Rare-Metal Mobilization By Late Hydrothermal Fluids With A Peralkaline Signature. The Canadian Mineralogist, 53 (4) 653-672 doi:10.3749/canmin.1400096

Localities for Euxenite-(Y)-Columbite solid solutionHide

This section is currently hidden. Click the show button to view.

Showing 3,202 localities.

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the

symbol to view information about a locality. The

symbol next to localities in the list can be used to jump to that position on the map.

Hide all sections | Show all sections

Locality ListShow

This section is currently hidden. Click the show button to view.

- This locality has map coordinates listed.

- This locality has estimated coordinates. ⓘ - Click for references and further information on this occurrence. ? - Indicates mineral may be doubtful at this locality.

- Good crystals or important locality for species.

- World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). ~~Struck out~~ - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (e.g. from pseudomorphs).

All localities listed without proper references should be considered as questionable.



Afghanistan
Badakhshan Fayzabad District Talbuzanak pegmatite field ⓘ Talbuzanak pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] Orris et al. (2002)
Daykundi Shahristan District ⓘ Taghawlor pegmatite field	[Columbite-(Fe)-Columbite-(Mn) Series] Orris et al. (2002)
Kunar Dara-e-Pech District ⓘ Dara-e-Pech pegmatite field	[Columbite-(Fe), Columbite-(Mn)] Betts (n.d.)
Nuristan Nilaw-Kolum pegmatite field ⓘ Mawi pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] Mark Wrigley
ⓘ Parun pegmatite field	[Columbite-(Fe)-Columbite-(Mn) Series] Orris et al. (2002)
ⓘ Drumgal pegmatites	[Columbite-(Fe)-Columbite-(Mn) Series] Orris et al. (2002)
Pasghushta pegmatites ⓘ Upper Pasghushta deposit	[Columbite-(Fe)-Columbite-(Mn) Series] Orris et al. (2002)

Algeria
Djanet Province Djanet District ⓘ Ebelekan	[Columbite-(Fe)-Columbite-(Mn) Series] Kesraoui et al. (2002)
Jijel Province El Milia District ⓘ Oued Berkou	[Columbite-(Fe)-Columbite-(Mn) Series] Tchimichkian (1974)
Tamanrasset Province (Tamanghasset Province) Tamanrasset District ⓘ Tin-Amzi granite dome	[Columbite-(Fe)-Columbite-(Mn) Series] Kesraoui Mokrane +4 other references

Angola
Namibe Province Moçâmedes Giraúl pegmatite field ⓘ Type II pegmatites	[Columbite-(Fe)-Columbite-(Mn) Series] Gonçalves et al. (2019)
ⓘ Type III pegmatites	[Columbite-(Fe)-Columbite-(Mn) Series] Antonio Olimpio Gonçalves et al. (2009)
ⓘ Type IV pegmatites	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series] Antonio Olimpio Gonçalves et al. (2009) +1 other reference

Argentina
Catamarca Province Ancasti Department Ancasti ⓘ Ancasti Pegmatite District	[Columbite-(Fe)-Columbite-(Mn) Series] Galliski et al. (2022)
Belén Department Corral Quemado Papachacra Papachacra pegmatites Cerro León Muerto ⓘ Veta Calzada	[Columbite-(Fe)-Columbite-(Mn) Series] COLOMBO +1 other reference
Sierra de Ancasti El Portezuelo ⓘ El Portezuelo Granite	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series] COLOMBO +1 other reference
Córdoba Province Calamuchita Department Río de Los Sauces District ⓘ Angel Mine	[Columbite-(Fe)-Columbite-(Mn) Series, Columbite-(Mn)] Demartis et al. (2014)
Cruz del Eje department Candelaria District ⓘ Gigante pegmatite	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series] Minerals acquired from Mr. Nelson ...
Punilla Department San Roque District Tanti ⓘ Cerro Blanco pegmatite district	[Columbite-(Fe)-Columbite-(Mn) Series] Dina (1993) +1 other reference
ⓘ El Criollo Mine	[Columbite-(Fe)] American Mineralogist (1978) +1 other reference
Villa Parque Síquiman ⓘ El Pato Pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] Colombo et al. (2006)
ⓘ SD-1 Pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] Colombo et al. (2006)
ⓘ SD-2 Pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] Colombo et al. (2006)
ⓘ San Jose pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] Econ Geol (1995)
Jujuy Province Rinconada Department ⓘ Cerro Granadas	[Columbite-(Fe)-Columbite-(Mn) Series] Zappettini
La Rioja Province Sanagasta department Huaco Velasco mining district ⓘ La Buena II pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] a study of differentiation. Economic Geology (3) +1 other reference
ⓘ La Chinchilla granite	[Columbite-(Fe)] Bardelli et al. (2018)
ⓘ Salar del Hombre Muerto	[Columbite-(Fe)-Columbite-(Mn) Series] C. R. Cortelezzi y R. A. Argañaraz (1981)
Salta Province Cachi Department Nevado de Palermo ⓘ El Quemado mining district	[Columbite-(Fe)-Columbite-(Mn) Series, Columbite-(Mn)] López de Azarevich et al. (2021)
La Poma Department ⓘ El Quemado mining district	[Columbite-(Fe)-Columbite-(Mn) Series] Brodtkorb (2002)
ⓘ El Peñón deposit	[Columbite-(Fe)-Columbite-(Mn) Series] AmMin 84:1674-1679 +1 other reference
ⓘ La Elvirita deposit	[Columbite-(Mn)] Galliski et al. (2001)
ⓘ Santa Elena pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] López de Azarevich et al. (2021)
ⓘ Tres Tetas pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] López de Azarevich et al. (2021)
San Luis Province Chacabuco Department Sierra de la Estanzuela ⓘ La Viquita pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] Econ Geol (1995) +1 other reference
Coronel Pringles Department El Trapiche La Florida ⓘ San Luis Mine	[Columbite-(Mn)] Galliski et al. (2011)
ⓘ San Luis II pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] Galliski et al. (2011)
Estancia Grande Las Águilas deposit ⓘ Virorco pegmatites	[Columbite-(Mn)] Galliski et al. (2012)
Totoral pegmatitic field ⓘ Independencia Argentina pegmatite	[Columbite-(Fe), Columbite-(Mn)] Galliski et al. (2015)
ⓘ Santa Ana Pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] Galliski et al. (2011)
Junín Department Talita ⓘ La Meta pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] Econ Geol (1995)
San Martín Department ⓘ María Elena pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series, Columbite-(Mn)] Galliski et al. (2009) +1 other reference
San Martín ⓘ Las Cuevas pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] Econ Geol (1995)
Sierra de Comechingones Comechingones Pegmatitic field ⓘ Ángel pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] Demartis et al. (2011)
Santiago del Estero Province Ojo de Agua Department ⓘ Jasimampa prospect	[Columbite-(Fe)] Franchini et al. (2005)
Tierra del Fuego Province Río Grande Department Carmen Sylva River ⓘ La Cristel Mine	[Columbite-(Fe)-Columbite-(Mn) Series]
ⓘ Tucumán Province	[Columbite-(Fe)-Columbite-(Mn) Series] Raúl Jorge Tauber Larry +1 other reference
La Cocha Department Huasa Pampa ⓘ San Ignacio-Cumbre de Los Pinos Granites	[Columbite-(Fe)-Columbite-(Mn) Series] MINERAL DE U-Ta-Nb EN LOS GRANITOS SAN ...

Asia
Emeishan Traps ⓘ Chahe lithological column	[Columbite-(Fe)-Columbite-(Mn) Series] Deng et al. (2022)
ⓘ Zhangsigou lithological column	[Columbite-(Fe)-Columbite-(Mn) Series] Deng et al. (2022)

Australia
New South Wales Gough Co. ⓘ Inverell	[Columbite-(Fe)-Columbite-(Mn) Series] Amphon et al. (2024)
Northern Territory Barkly Region Barrow Creek Barrow Creek Pegmatite Field ⓘ Anster Pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] Forsythe (1981)
ⓘ Easy Pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] Forsythe (1981)
ⓘ Halfway Pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] Forsythe (1981)
ⓘ Horizontal Pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] Forsythe (1981)
ⓘ Ivy Pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] Forsythe (1981)
ⓘ Millar's Workings (Millers Workings)	[Columbite-(Fe)-Columbite-(Mn) Series] Forsythe (1981)
ⓘ Tommy's Show Pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] Forsythe (1981)
Sandover Ammaroo Station (Amaroo Station) ⓘ Juggler Mine	[Columbite-(Fe)-Columbite-(Mn) Series] Ahmad et al. (2013)
Central Desert Region Delmore Downs station Mount Ida ⓘ Spotted Wonder prospect	[Columbite-(Fe)-Columbite-(Mn) Series] Jaffe 1946 Am Min
ⓘ Harts Range (Harts Ranges; Hartz Range; Hartz Ranges)	[Euxenite-(Y)]
Ambalindum Station Harding Springs ⓘ Yambla Prospect	[Euxenite-(Y)] Drake-Brockman (1995)
Mt Riddock Station ⓘ Black Cat Mine	[Columbite-(Fe)-Columbite-(Mn) Series] Warren (1980)
Queensland City of Mount Isa ⓘ Mica Creek	[Columbite-(Fe), Columbite-(Mn)] Costas Constantinides collection
Tablelands Region Kinrara National Park ⓘ Lava Plains	[Columbite-(Fe)] Sutherland
South Australia Pastoral Unincorporated Area Bimbowrie Conservation Park ⓘ Alconie Hill	[Columbite-(Fe)-Columbite-(Mn) Series] Lottermoser et al. (1997)
ⓘ Domenic Mine	[Columbite-(Fe)-Columbite-(Mn) Series] Lottermoser et al. (1997)
Old Boolcoomata Station ⓘ Brady Beryl (Brady Mine)	[Columbite-(Fe)-Columbite-(Mn) Series] Lottermoser et al. (1997)
White Rock Feldspar Mine ⓘ White Rock No. 2 pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] Lottermoser et al. (1997) +3 other references
Boolcoomatta Reserve (Boolcoomata Station) ⓘ Wiperaminga Hill West Quarry	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series] Elliott et al. (2026)
Moolawatana Station (Moolawatana) Mt Babbage area (Inlier) ⓘ Yerila gneissic complex	[Columbite-(Fe), Columbite-(Mn)] PA Wulser - unpublished data
Umberatana Umberatana Diatreme ⓘ Tourmaline Hill granite pegmatites	[Columbite-(Mn)] mentioned references in description
Wooltana Station (Wooltana) Paralana High Plains ⓘ Beverley Mine	[Columbite-(Fe)-Columbite-(Mn) Series, Euxenite-(Y)] Wülser et al. (2011)
Tasmania Dorset municipality Moorina ⓘ Weld River	[Columbite-(Fe)-Columbite-(Mn) Series] McGee (2005)
Northern Midlands municipality Rossarden mining district ⓘ Aberfoyle Mine (Aberfoyle Tin Mine; Rossarden Tin Mine)	[Columbite-(Mn)] R Botttrill
Victoria East Gippsland Shire Glen Valley ⓘ Blue Jacket Tin Mine (Blue Jacket Reef)	[Columbite-(Fe)] Personally collected by Ryan Eagle in ...
ⓘ Knocker dyke (South Blue Jacket)	[Columbite-(Fe)] Eagle et al. (2015)
Western Australia Bridgetown-Greenbushes Shire ⓘ Donovans Find (Smithfield)	[Columbite-(Fe)-Columbite-(Mn) Series] Jacobson et al. (2007)
Greenbushes Mine ⓘ Greenbushes Mine	[Columbite-(Fe), Columbite-(Mn), Euxenite-(Y)] The Canadian Mineralogist
City of Karratha Roebourne ⓘ Mount Hall pegmatite field	[Columbite-(Fe)-Columbite-(Mn) Series] Jacobson et al. (2007) +2 other references
Coolgardie Shire Binneringie Station ⓘ Binneringie Tantalite (Bald Hill pegmatites; Woodline pegmatites)	[Columbite-(Fe)-Columbite-(Mn) Series] Jacobson et al. (2007)
ⓘ Dawn View pegmatites	[Columbite-(Fe)-Columbite-(Mn) Series] Jacobson et al. (2007)
Coolgardie Hampton group ⓘ Barbara Mine	[Columbite-(Fe)-Columbite-(Mn) Series] Grguric et al. (2009)
Gibraltar Goldfield ⓘ Lloyd George Gold Mine	[Columbite-(Mn)] Simpson (1948)
ⓘ Lord Bob Gold Mine	[Columbite-(Fe)] Western Australian Mines Department (1947)
ⓘ Nepean	[Columbite-(Mn)] Keith Compton collection
ⓘ Londonderry Li deposit	[Columbite-(Fe), Columbite-(Mn)] Jacobson (1997)
Spargoville ⓘ Giles Columbite-Beryl Pegmatite (Giles Prospect)	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series] Min News 20:6 pp1
ⓘ Mount Marion pegmatites	[Columbite-(Fe)-Columbite-(Mn) Series] Simon (2019)
ⓘ South Moriarty Columbite pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] - (Perth 2007) +2 other references
ⓘ South Spargoville Columbite pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] - (Perth 2007) +2 other references
ⓘ Spargo's Reward Gold Mine	[Columbite-(Fe)-Columbite-(Mn) Series] Mock et al. (1987)
Cue Shire Coodardy Station ⓘ Coodardy pegmatite field	[Columbite-(Fe)-Columbite-(Mn) Series, Columbite-(Mn)] Jacobson et al. (2007) +2 other references
Lakeside Station ⓘ Lakeside pegmatite No.3	[Columbite-(Fe)-Columbite-(Mn) Series] Simpson Mineral Collection of the ... +1 other reference
ⓘ Poona	[Columbite-(Fe)-Columbite-(Mn) Series] Marshall et al. (2016)
ⓘ Aga Khan Mine	[Columbite-(Fe)] - (2002)
ⓘ Emerald Pool mine (Emerald Gem mine; East Poona mine)	[Columbite-(Fe)-Columbite-(Mn) Series] Marshall et al. (2016)
Donnybrook-Balingup Shire Balingup ⓘ Ferndale pegmatite	[Columbite-(Fe)] - (Perth 2007) +2 other references
East Pilbara Shire Marble Bar ⓘ Moolyella pegmatite field	[Columbite-(Mn), Euxenite-(Y)] The Simpson Mineral Collection of the ...
Pilgangoora ⓘ Green's Well pegmatite (Green's Tank)	[Columbite-(Fe), Columbite-(Mn)] Jacobson et al. (2007)
ⓘ Coffin Bore North-East (MC132)	[Columbite-(Fe)-Columbite-(Mn) Series] Jacobson et al. (2007)
ⓘ MC80	[Columbite-(Fe), Columbite-(Mn)] Jacobson et al. (2007)
ⓘ Wagon Wheel Patch (MC131)	[Columbite-(Fe)-Columbite-(Mn) Series] Jacobson et al. (2007)
ⓘ Pilgangoora alluvials 3	[Columbite-(Fe)-Columbite-(Mn) Series] Jacobson et al. (2007)
ⓘ Pilgangoora pegmatites	[Columbite-(Fe), Columbite-(Mn)] Jacobson et al. (2007)
Shaw River District ⓘ Cooglegong pegmatite field	[Columbite-(Mn), Euxenite-(Y)] Simpson (1948)
ⓘ Tabba Tabba pegmatite (Tabba Tabba Tantalum Mine)	[Columbite-(Mn)] Fetherston (2004)
Halls Creek Shire ⓘ Cummins Range complex (Minneroo Pool)	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series] Downes et al. (2014)
Halls Creek Goldfield ⓘ Brockman REE prospect (Hastings)	[Columbite-(Fe)-Columbite-(Mn) Series] Taylor et al. (1995) +1 other reference
Mount Dockrell Goldfield Mount Dockrell pegmatites ⓘ Columbium Creek	[Columbite-(Fe)-Columbite-(Mn) Series] Jacobson et al. (2007)
ⓘ Junda 3	[Columbite-(Fe)-Columbite-(Mn) Series] Jacobson et al. (2007)
ⓘ Mount Dockrell	[Columbite-(Fe)-Columbite-(Mn) Series] Jacobson et al. (2007)
ⓘ Mount Heartbreak E Mine	[Columbite-(Fe)-Columbite-(Mn) Series] Jacobson et al. (2007)
Menzies Shire Mulga Rocks U prospects ⓘ Shogun Pit 3	[Columbite-(Fe)-Columbite-(Mn) Series] Douglas GB et al. (1993)
Mukinbudin Shire Mukinbudin ⓘ Calcaling pegmatite	[Euxenite-(Y)] Calderwood +2 other references
Perenjori Shire Karara Conservation Reserve ⓘ Rothsay beryl pegmatites (Seleka; Perenjori Beryl Mine)	[Columbite-(Fe)-Columbite-(Mn) Series] Jacobson et al. (2007)
Port Hedland Shire Abydos Station ⓘ Pinga Creek pegmatite field	[Columbite-(Mn)] Simpson (1928) +1 other reference
ⓘ Leeds Tin Find (Hall's Tin Find; Pinga Tin Mine)	[Columbite-(Mn), Euxenite-(Y)] Jacobson et al. (2007)
ⓘ White Springs	[Columbite-(Fe)-Columbite-(Mn) Series] Jacobson et al. (2007)
Wodgina ⓘ Beryl Group	[Columbite-(Mn)] Sweetapple et al. (2001)
ⓘ Mount Cassiterite	[Columbite-(Mn)] Sweetapple et al. (2001) +1 other reference
ⓘ Wodgina Tantalite Mine (Wodgina pegmatite; Main tantalite dyke)	[Columbite-(Mn), Euxenite-(Y)] Simpson (1928)
Mugarinya Community ⓘ Mount Francisco	[Columbite-(Mn)] Jacobson et al. (2007)
ⓘ Congo	[Columbite-(Mn)] Jacobson et al. (2007)
ⓘ Hooley & Co.	[Columbite-(Mn)] Jacobson et al. (2007)
Pippingarra Station ⓘ Pippingarra Mine	[Columbite-(Fe)-Columbite-(Mn) Series] Jacobson et al. (2007)
Ravensthorpe Shire ⓘ Cocanarup pegmatite field	[Columbite-(Mn)] Jacobson et al. (2007)
ⓘ Ravensthorpe	[Columbite-(Mn)] Jacobson et al. (2007)
ⓘ Mount Cattlin Mine	[Columbite-(Mn)] Jacobson et al. (2007)
Upper Gascoyne Shire Yinnietharra ⓘ Arthur River pegmatites	[Columbite-(Fe)] Jacobson et al. (2007) +1 other reference
ⓘ Bismuth Hill (The Cairn)	[Columbite-(Fe)] Jacobson et al. (2007) +2 other references
ⓘ Cairn Mining Centre	[Columbite-(Fe)] Jacobson et al. (2007) +2 other references
ⓘ Williamson's Beryl Mine	[Columbite-(Mn)] Jacobson et al. (2007)
ⓘ Camel Hill pegmatites	[Columbite-(Fe)-Columbite-(Mn) Series, Euxenite-(Y)] Fetherston (2004)
ⓘ Caravan pegmatite (Jade pegmatite 2)	[Columbite-(Fe)-Columbite-(Mn) Series] Jacobson et al. (2007)
ⓘ Kempton Brothers Beryl Mine	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series] Bridge et al. (1974)
ⓘ Mica King pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] Jacobson et al. (2007) +2 other references
ⓘ Mineral Claim 790 Pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] Peter Downes
ⓘ Nardoo Hill (Beryl Hill)	[Columbite-(Fe)] Jacobson et al. (2007)
ⓘ Nardoo Well pegmatites	[Columbite-(Mn)] Jacobson et al. (2007) +2 other references
ⓘ New Well pegmatites	[Columbite-(Mn)] Jacobson et al. (2007) +2 other references
ⓘ North Morrissey Hill pegmatite group	[Columbite-(Mn)] Hesperian Press +2 other references
ⓘ Roe and Hassell	[Columbite-(Fe)-Columbite-(Mn) Series] Jacobson et al. (2007) +2 other references
ⓘ Wabli Creek pegmatites	[Columbite-(Fe)-Columbite-(Mn) Series, Euxenite-(Y)] Jacobson et al. (2007) +2 other references
Yalgoo Shire Dalgaranga Station ⓘ Dalgaranga Mine	[Columbite-(Fe)-Columbite-(Mn) Series] Jacobson et al. (2007) +2 other references
Meka Station ⓘ Warda Warra pegmatite field	[Columbite-(Fe)-Columbite-(Mn) Series] Jacobson et al. (2007) +2 other references
ⓘ Mount Farmer Mine (Niobe prospect)	[Columbite-(Mn)] Calderwood +2 other references
Noongal Station ⓘ Harrison's Reward	[Columbite-(Mn)] Simpson (1948)
Paynes Find ⓘ Mount Edon	[Columbite-(Fe)-Columbite-(Mn) Series] Pegamtites of Western Australia +2 other references
Yilgarn shire Mount Holland pegmatite field ⓘ Forrestania Rubellite pegmatite	[Columbite-(Fe)] - (Perth 2007) +2 other references

Austria
Carinthia Spittal an der Drau District Millstatt lake ⓘ Laggerhof	[Columbite-(Fe)] Carinthia II (2012) +1 other reference
Reißeck Kolbnitz Riekengraben ⓘ Gamolnigspitze	[Euxenite-(Y)] Walter (2021)
Spittal an der Drau Lieser ravine ⓘ Lippnik feldspar quarry	[Columbite-(Fe)-Columbite-(Mn) Series] Pichler (2009)
Wolfsberg ⓘ Feldspar quarry	[Columbite-(Fe)] Niedermayr et al. (1995)
Wolfsberg District Frantschach-Sankt Gertraud Brandrücken ⓘ Spodumene prospect	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series] Č +2 other references
ⓘ Grillitschhütte	[Columbite-(Fe)] Niedermayr et al. (1995)
Lower Austria Gmünd District ⓘ Heidenreichstein	[Columbite-(Fe)-Columbite-(Mn) Series] Albert Prayer collection
Schrems Gebharts ⓘ Widy quarry	[Columbite-(Fe)-Columbite-(Mn) Series, Euxenite-(Y)] KOLLER (1978)
Horn District Gars am Kamp Maiersch ⓘ Doppelbachgraben (Tobelbachgraben)	[Columbite-(Fe), Columbite-(Mn)] Kolitsch (2018)
Krems-Land District Gföhl Felling ⓘ Zwettler Leiten	[Columbite-(Fe)-Columbite-(Mn) Series] HEHENBERGER (1996)
ⓘ Miesling valley	[Columbite-(Fe)-Columbite-(Mn) Series] Martin Slama collection
Mühldorf ⓘ Bengelbach (incl. Mitterfeld)	[Columbite-(Fe)-Columbite-(Mn) Series, Columbite-(Mn)] Kolitsch (2019)
Paudorf Meidling ⓘ Granulite quarry (Asamer quarry; Wanko gravel works)	[Columbite-(Fe), Columbite-(Mn)] Kolitsch et al. (2023)
Senftenberg ⓘ Königsalm	[Columbite-(Fe)-Columbite-(Mn) Series] Niedermayr (1969) +2 other references
Spitz ⓘ Birileiten	[Columbite-(Fe)-Columbite-(Mn) Series] Martin Slama collection
ⓘ Huthof ("Am Hut"; Buchberg)	[Columbite-(Fe)] HEHENBERGER (1996)
ⓘ Radlbachtal (Radlgraben; Huthof)	[Columbite-(Fe)] HEHENBERGER (1996)
ⓘ Windeckberg	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series] Kolitsch et al. (2020)
Weinzierl am Walde ⓘ Blocherleitengraben	[Columbite-(Fe), Columbite-(Mn), Euxenite-(Y)] Kolitsch (2017)
Melk District Weiten ⓘ Weiterndorf	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series] Kolitsch (2016)
Waidhofen an der Thaya District Pfaffenschlag bei Waidhofen Artolz ⓘ Poschacher Quarry	[Euxenite-(Y)] KOLLER (1978)
Raabs an der Thaya Eibenstein an der Thaya ⓘ Hengl quarry	[Columbite-(Mn)] Kolitsch et al. (2020)
Zwettl District Kottes-Purk Fohra ⓘ Trastallhof	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series, Columbite-(Mn)] Löffler et al. (2018)
Salzburg Zell am See District Krimml Rainbach valley ⓘ Roßkar - Nördliche Zillerscharte area	[Euxenite-(Y)] Steiner&Melcher (2020)
Mittersill Mittersill Scheelite deposit ⓘ Western ore field	[Columbite-(Fe)-Columbite-(Mn) Series] Strasser (1989)
Neukirchen am Großvenediger Abichl Alp - Beryller area ⓘ Beryller - south of ("Beryller")	[Euxenite-(Y)] Revheim (2007) +1 other reference
Hopffeld area ⓘ Hopffeldboden	[Columbite-(Fe)-Columbite-(Mn) Series, Euxenite-(Y)] Strasser (1989)
Rauris ⓘ Kaiserer quarry (Deisl quarry)	[Euxenite-(Y)] Strasser (1989)
ⓘ Lohning quarry (Lohninger quarry)	[Euxenite-(Y)] Strasser (1989)
Styria Deutschlandsberg District Deutschlandsberg Wildbachgraben ⓘ Gupper quarry	[Columbite-(Fe)] Postl et al. (1979)
Graz-Umgebung District Sankt Radegund bei Graz ⓘ Pegmatite outcrops	[Columbite-(Fe)-Columbite-(Mn) Series] Aufschluss 1972 (SB)
Murtal District Pusterwald Spodumene pegmatites ⓘ Scharnitzfeld	[Columbite-(Fe)-Columbite-(Mn) Series] Mali (2004)
Tyrol Schwaz District Finkenberg ⓘ Hohe Wand east slope	[Euxenite-(Y)] Exel (1993)
Upper Austria Freistadt District Königswiesen ⓘ Kastendorf	[Columbite-(Fe)-Columbite-(Mn) Series] Josef Schadler
ⓘ Mötlas	[Columbite-(Fe)-Columbite-(Mn) Series] Exel (1993)
Neumarkt im Mühlkreis ⓘ Pegmatite occurrences	[Columbite-(Fe)-Columbite-(Mn) Series] Kirchner et al. (1969)
ⓘ Zissingdorf	[Columbite-(Fe)-Columbite-(Mn) Series] Exel (1993)
Pregarten ⓘ Meitschenhof	[Columbite-(Fe)] Arthofer (2005)
Unterweißenbach ⓘ Katzensilbergrube	[Columbite-(Fe)-Columbite-(Mn) Series] Wallenta (1988)
Perg District Luftenberg an der Donau ⓘ Luftenberg quarries (Steininger quarry)	[Columbite-(Fe)] Meixner (1977) +1 other reference
Rohrbach District Aigen-Schlägl ⓘ Oberhaag quarry	[Columbite-(Fe)-Columbite-(Mn) Series] Arthofer (2005)
Lembach im Mühlkreis ⓘ Obernort	[Columbite-(Fe)-Columbite-(Mn) Series] Josef Schadler (Handschriftliche Aufzeichnungen)
St. Johann am Wimberg ⓘ Grubdorf	[Columbite-(Fe)-Columbite-(Mn) Series] Th. Kerschner
ⓘ Kitzmühle	[Columbite-(Fe)-Columbite-(Mn) Series] Hermann Kohl
St. Peter am Wimberg ⓘ Lüftnerberg	[Columbite-(Fe)-Columbite-(Mn) Series] Th.Kerschner et al. (17 - 71)
Urfahr-Umgebung District Oberneukirchen ⓘ Königsdorf	[Columbite-(Fe)-Columbite-(Mn) Series] Josef Schadler (Handschriftliche Aufzeichnungen)

Benin
Collines Department Ouèssè Commune ⓘ Toumi coltan diggings	[Columbite-(Mn)] Wolfgang Hampel

Bolivia
La Paz Larecaja Province Chacapa ⓘ Challana District	[Columbite-(Fe)-Columbite-(Mn) Series]
ⓘ Nevado Rosas	[Columbite-(Fe)-Columbite-(Mn) Series] Federico Ahlfeld and Jorge Munoz Reyes: Las Especies Minerales de Bolivia (Banco Minero de Bolivia, 1955)
Sud Yungas Province Yanacachi District ⓘ Chojlla Mine	[Columbite-(Fe)-Columbite-(Mn) Series] - (1998)
Santa Cruz Ñuflo de Chavez Province ⓘ La Bella	[Columbite-(Mn)] EDS Analysis Frank Keutsch
ⓘ La Verde Mine (Mina Verde)	[Columbite-(Fe)] Federico Ahlfeld and Alejandro Schneider-Scherbina (1964)
ⓘ Miramica Mine	[Columbite-(Mn)] RRUFF specimen
ⓘ Ñuflo de Chavez mine	[Columbite-(Fe)] Dr. Fritz Berndt analysis.
San Agustín ⓘ La Negra mine (Miramonte Mine)	[Columbite-(Fe)] Petrov (n.d.)
San Ramón ⓘ El Paraíso Mine	[Columbite-(Fe)] Josep Sanchez-laFuente (INTAN S.L.)

Bosnia and Herzegovina
Republika Srpska ⓘ Motajica mountain	[Columbite-(Fe)-Columbite-(Mn) Series] Koch (1899) +7 other references

Brazil
Amazonas Presidente Figueiredo ⓘ Pitinga mine	[Columbite-(Fe)-Columbite-(Mn) Series] Lenharo et al. (2003) +2 other references
ⓘ Água Boa pluton	[Columbite-(Fe)-Columbite-(Mn) Series] Lemanski (n.d.)
ⓘ Madeira pluton	[Columbite-(Fe)-Columbite-(Mn) Series, Columbite-(Mn)] Hadlich et al. (2024)
Bahia ⓘ Caetité	[Euxenite-(Y)] A.M.D.V. Chaves (2005)
Ceará Icó Icozinho ⓘ Icozinho pegmatite	[Columbite-(Fe)] Revista Brasileira de Geociências 21 (1)
Goiás Iporá ⓘ Fazenda Buriti alkaline complex	[Columbite-(Fe)-Columbite-(Mn) Series] Santos et al. (2024)
Teresina de Goiás Sucuri massif ⓘ Vaca Velha claim	[Columbite-(Fe)-Columbite-(Mn) Series] Bilal (2013)
ⓘ Mata Azul pegmatitic field	[Columbite-(Fe), Euxenite-(Y)] Queiroz et al. (2018)
Minas Gerais ⓘ Araçuaí	[Columbite-(Fe)-Columbite-(Mn) Series] Kelly Nash Collection
Conceição do Mato Dentro São José de Brejaúba ⓘ Posse mine	[Columbite-(Fe)-Columbite-(Mn) Series] Guimar˜aes (1941)
Conselheiro Lafaiete ⓘ Morro da Mina mine	[Columbite-(Fe)-Columbite-(Mn) Series] acd.ufrj.br (2002)
Conselheiro Pena Barra do Cuieté ⓘ Boa Vista pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] Cassedanne et al. (1982)
ⓘ Urucum claim	[Columbite-(Fe)-Columbite-(Mn) Series] Sauer (1982)
Ferruginha ⓘ Sapo Mine	[Columbite-(Fe)-Columbite-(Mn) Series] Menezes (2009)
Coronel Murta ⓘ Barra do Salinas	[Columbite-(Fe)-Columbite-(Mn) Series] Bastos (2002)
ⓘ Divinésia	[Columbite-(Fe), Euxenite-(Y)] CÂNDIDO FILHO +1 other reference
Galiléia Laranjeiras ⓘ Ênio claim	[Columbite-(Fe)] Cassedanne et al. (1981)
Governador Valadares Golconda mining district ⓘ Faria claim	[Columbite-(Fe)] Menezes (n.d.)
ⓘ Ipê mine	[Columbite-(Fe)] Jessica Simonoff photo
ⓘ Golconda pegmatite field	[Columbite-(Fe)] Josef Vajdak (Peque Rare Minerals)
ⓘ Iron Quadrangle	[Columbite-(Fe)-Columbite-(Mn) Series, Euxenite-(Y)] Morteani et al. (2000)
Itinga ⓘ Humaita pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] Cassedanne et al. (1987)
Taquaral Piauí valley ⓘ Cachoeira mine	[Columbite-(Fe)] Dias et al. (2015)
ⓘ Gonçalves mine ?	[Columbite-(Mn)] Sergio Varvello collection
ⓘ Ponte do Piauí claim	[Columbite-(Mn)] Luis Menezes
Jaguaraçu ⓘ Jaguaraçu pegmatite	[Columbite-(Fe), Euxenite-(Y)] Cassedanne et al. (1994)
Malacacheta ⓘ São Pedro claim	[Columbite-(Fe)] Fabre (n.d.)
Mendes Pimentel ⓘ Gentil claim	[Columbite-(Fe)-Columbite-(Mn) Series] Atencio et al. (2006)
ⓘ Rio Pomba	[Euxenite-(Y)] Polycrase specimen in the British ...
Sabinópolis ⓘ Grota da Generosa mine	[Columbite-(Fe)] Ricardo Scholz
São José da Safira ⓘ Chiá mine	[Columbite-(Fe)-Columbite-(Mn) Series] Erik Vercammen collection
ⓘ Cruzeiro mine	[Columbite-(Fe)-Columbite-(Mn) Series] Rizzo et al. (2025)
ⓘ Teófilo Otoni	[Columbite-(Fe)] dan weinrich +1 other reference
Virgem da Lapa ⓘ Toca da Onça pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] Araújo (2018)
Pará Canaã dos Carajás ⓘ Jatobá deposit	[Euxenite-(Y)] Campo Rodriguez et al. (2024)
São Félix do Xingu ⓘ Mocambo Granite	[Columbite-(Fe)-Columbite-(Mn) Series] Barros Neto et al. (2020)
Paraíba Frei Martinho ⓘ Esperas pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] Fernandes et al. (2022)
ⓘ Mourão pegmatite	[Columbite-(Fe)] Beurlen et al. (2008)
Junco do Seridó ⓘ Noruega pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] Fernandes et al. (2022)
Nova Palmeira ⓘ Corredor pegmatite	[Columbite-(Fe)] Beurlen et al. (2008)
ⓘ Roncadeira pegmatite	[Columbite-(Fe)] Beurlen et al. (2008) +1 other reference
ⓘ Serraria pegmatite	[Columbite-(Mn)] Beurlen et al. (2005) +1 other reference
Pedra Lavrada ⓘ Alto Feio	[Columbite-(Fe)] Beurlen et al. (2008)
ⓘ Alto Patrimônio pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] Fernandes et al. (2022)
ⓘ Serra Branca pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] Fernandes et al. (2022)
Picuí ⓘ Caiçara pegmatite	[Columbite-(Mn)] Beurlen et al. (2008)
ⓘ Carrapateira pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] Fernandes et al. (2022)
ⓘ Cortume pegmatite	[Columbite-(Fe), Columbite-(Mn)] Beurlen et al. (2008)
Salgadinho São José da Batalha ⓘ Heitorita mine	[Columbite-(Fe)-Columbite-(Mn) Series] de Brito Barreto et al. (2010) +1 other reference
São José do Sabugi ⓘ Raposa pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] Mineralogical Magazine
Tenório ⓘ Seridozinho pegmatite	[Columbite-(Mn)] Beurlen et al. (2008)
Vieirópolis Vieirópolis pegmatite field ⓘ Serra Branca amazonite pegmatite	[Columbite-(Mn)] e Souza et al. (2020)
Rio Grande do Norte Acari ⓘ Pitombeira pegmatite	[Columbite-(Fe)] Beurlen et al. (2008)
Carnaúba dos Dantas ⓘ Maribondo pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] Fernandes et al. (2022)
ⓘ Taboa pegmatite	[Columbite-(Fe), Columbite-(Mn)] Beurlen et al. (2008)
Currais Novos ⓘ Nb-Ta pegmatite field	[Columbite-(Fe)-Columbite-(Mn) Series] Wolfgang Hampel
Equador ⓘ Alto das Furnas claim	[Columbite-(Mn)] Färber et al. (2011)
ⓘ Alto do Giz pegmatite	[Columbite-(Mn)] Beurlen et al. (2008)
ⓘ Alto do Jacu	[Columbite-(Fe)-Columbite-(Mn) Series, Columbite-(Mn)] Lavinsky (n.d.)
ⓘ Amâncio pegmatite	[Columbite-(Mn)] Beurlen et al. (2008)
ⓘ Fazenda Turmalina pegmatite	[Columbite-(Fe)] Beurlen +3 other references
ⓘ Mamões pegmatite	[Columbite-(Fe)] Baumgartner et al. (2006)
ⓘ Mina do Santino pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] Palinkas et al. (2014)
Parelhas ⓘ Alto dos Quintos Mine	[Columbite-(Fe)-Columbite-(Mn) Series, Columbite-(Mn)] Fernandes et al. (2022)
ⓘ Boqueirão pegmatite	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series, Columbite-(Mn)] Strmić Palinkaš +5 other references
ⓘ Capoeira 1 pegmatite (Boqueirãozinho pegmatite)	[Columbite-(Mn)] Baumgartner et al. (2006)
ⓘ Capoeira 2 pegmatite (Mulungu pegmatite)	[Columbite-(Mn)] Beurlen +3 other references
ⓘ Carnaúbinha pegmatite	[Columbite-(Fe)] Baumgartner et al. (2006)
ⓘ Combi pegmatite	[Columbite-(Fe)] Baumgartner et al. (2006)
ⓘ Malhada Vermelha pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series, Columbite-(Mn)] Baumgartner et al. (2006)
ⓘ Trigero 1 pegmatite	[Columbite-(Mn)] Baumgartner et al. (2006)
Rondônia Ariquemes ⓘ Bom Futuro mine	[Columbite-(Fe)-Columbite-(Mn) Series] Dias (2012)
São Paulo Cajati ⓘ Desemborque pluton	[Columbite-(Fe)-Columbite-(Mn) Series] Siachoque +2 other references
Tocantins Jaú do Tocantins ⓘ Outcrop No. 17 pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series, Euxenite-(Y)] Queiroz (2016)
ⓘ Peixe alkaline complex	[Columbite-(Fe)-Columbite-(Mn) Series] MARTINS et al. (1981)

Bulgaria
Kardzhali Province Ardino Municipality ⓘ Svetulka	[Columbite-(Fe)-Columbite-(Mn) Series] Marcus Voigt Collection
Pazardzhik Province Velingrad Municipality ⓘ Grantcharitsa tungsten deposit	[Columbite-(Fe), Euxenite-(Y)] Tarassov et al. (2022)
Sofia Province Samokov Municipality ⓘ Urdini Lakes	[Columbite-(Fe)-Columbite-(Mn) Series] - (2002)

Burkina Faso
Cascades Region Comoé Province Mangodara Department ⓘ Unnamed pegmatites	[Columbite-(Fe)-Columbite-(Mn) Series, Euxenite-(Y)] Bonzi et al. (2023)

Burundi
Cibitoke Province ⓘ Butara	[Columbite-(Fe)] The Royal Museum for Central Africa (RMCA) +1 other reference
ⓘ N'Dora	[Columbite-(Fe)] Melcher et al. (2015)
ⓘ Ruhembe	[Columbite-(Fe)-Columbite-(Mn) Series] Lehmann et al. (1992) +1 other reference
SW Cibitoke B ⓘ Ruhanga	[Columbite-(Mn)] Melcher et al. (2015)

Cambodia
Pailin Province ⓘ Pailin District	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series] Filina et al. (2019)

Cameroon
North Region ⓘ Hossere Nyore Granite Intrusion	[Columbite-(Fe)-Columbite-(Mn) Series] Lasserre (1978)
Mayo-Rey Tcholliré ⓘ Mayo Salah pluton	[Columbite-(Mn)] Fosso Tchunte et al. (2018) +1 other reference

Canada
British Columbia Cariboo Mining Division Wicheeda Lake ⓘ Wicheeda Carbonatite Complex	[Euxenite-(Y)] Dalsin (2013) +1 other reference
Golden Mining Division ⓘ Bugaboo Castles	[Columbite-(Fe)-Columbite-(Mn) Series] Canadian Museum of Nature collection ...
ⓘ Bugaboo Creek Placer	[Euxenite-(Y)] Peatfield (n.d.)
ⓘ Forster Creek Placer	[Euxenite-(Y)] Peatfield (n.d.)
ⓘ KIN property	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series, Euxenite-(Y)] Caudle +1 other reference
ⓘ Malloy Creek Placer	[Euxenite-(Y)] Peatfield (n.d.)
ⓘ Vowell Creek Placer	[Euxenite-(Y)] Peatfield (n.d.)
Kamloops Mining Division Blue River carbonatites ⓘ Fir carbonatite	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series] Chudy T et al. (2014)
ⓘ Lempriere carbonatite	[Columbite-(Fe)-Columbite-(Mn) Series] - (n.d.)
ⓘ Mill carbonatite	[Columbite-(Fe)-Columbite-(Mn) Series] - (n.d.)
ⓘ Verity claim	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series] George J. Simandl (2001)
ⓘ Specimen pit	[Columbite-(Fe)] Blue River Carbonatites et al. (http://www.commerceresources.com/i/pdf/05-BCGOVRREPORT.pdf)
ⓘ Upper Fir carbonatite	[Columbite-(Fe)-Columbite-(Mn) Series] Berger et al. (2009)
Omineca Mining Division Mansoon Lakes ⓘ Lonnie carbonatite	[Columbite-(Fe)-Columbite-(Mn) Series] - (n.d.)
ⓘ Vergil carbonatite	[Columbite-(Fe)-Columbite-(Mn) Series] - (n.d.)
Williston Lake ⓘ Aley Deposit (Aley Creek Carbonatite Complex)	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series, Euxenite-(Y)] Taseko
Revelstoke Mining Division Boulder Mountain Pegmatite Group ⓘ Prof pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series, Columbite-(Mn)] Breasley et al. (2024)
Revelstoke ⓘ Mount Begbie	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series, Columbite-(Mn)] Dixon et al. (2014)
Manitoba ⓘ Bear lake	[Columbite-(Fe)-Columbite-(Mn) Series] Bannatyne (1985)
ⓘ BEP Pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series, Columbite-(Mn)] Černá et al. (2002)
Cross Lake North Group ⓘ Pegmatite 36	[Columbite-(Mn)] Alan Anderson M.Sc. Thesis
South Group ⓘ Pegmatite 9	[Columbite-(Mn)] Alan Anderson M.Sc. Thesis
Falcon Lake ⓘ Bendum Claim	[Columbite-(Fe)-Columbite-(Mn) Series] Bannatyne (1985)
ⓘ Molly Claim	[Columbite-(Fe)-Columbite-(Mn) Series] Bannatyne (1985)
Lac-du-Bonnet area Bernic Lake ⓘ Buck claim	[Columbite-(Fe)] Econ Geol (1995)
ⓘ Pegli pegmatite	[Columbite-(Fe), Columbite-(Mn)] Econ Geol (1995)
ⓘ Tanco Mine	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series, Columbite-(Mn)] 153-155. +1 other reference
Cat Lake - Winnipeg River pegmatite field Donner Lake ⓘ High Grade Dyke pegmatite (High-Grade Dike pegmatite)	[Columbite-(Fe)-Columbite-(Mn) Series] Bannatyne (1985)
ⓘ Huron Claim pegmatite	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series, Euxenite-(Y)] Paul (1984)
Greer Lake ⓘ Annie Claim #3 pegmatite	[Columbite-(Mn)] Bannatyne (1985) +1 other reference
ⓘ Cleo pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] Bannatyne (1985)
ⓘ GL-8 pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] Bannatyne (1985)
ⓘ GL-9 pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] Bannatyne (1985)
ⓘ GL12A pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] Bannatyne (1985)
ⓘ Grace No. 2 claim (Beryl dike)	[Columbite-(Fe)-Columbite-(Mn) Series] Bannatyne (1985)
ⓘ Greer Lake pegmatitic granite	[Columbite-(Fe)-Columbite-(Mn) Series] Černý et al. (2005)
ⓘ Silver Leaf pegmatites	[Columbite-(Fe)-Columbite-(Mn) Series] Phillips (1978) +2 other references
Whiteshell Park ⓘ Huron pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] Phillips (1978) +1 other reference
Shatford Lake ⓘ Shatford Lake pegmatites	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series, Euxenite-(Y)] Paul (1984) +1 other reference
ⓘ Dyke 12 claim	[Euxenite-(Y)] Bannatyne (1985)
ⓘ Unnamed pegmatites	[Columbite-(Fe)-Columbite-(Mn) Series] Bannatyne (1985)
Pointe du Bois ⓘ K1 pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] Bannatyne (1985)
New Brunswick Charlotte Co. ⓘ Hayman Hill deposit	[Columbite-(Fe)-Columbite-(Mn) Series] Archibald (2026)
Saint George Parish ⓘ Mount Pleasant Mine	[Columbite-(Fe)-Columbite-(Mn) Series] Adex Mining
Queens Co. Welsford Anorogenic Igneous Complex ⓘ McKeel Lake pegmatite	[Euxenite-(Y)] Exploration and Mining Geology ... +1 other reference
Newfoundland and Labrador Labrador ⓘ Flowers River complex ?	[Euxenite-(Y)] Ducharme (2020)
Newfoundland ⓘ Hydra pegmatite	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series, Columbite-(Mn)] Malay et al. (2026)
Northwest Territories ⓘ Blachford Lake alkaline complex	[Columbite-(Fe)] Feng et al. (2015)
ⓘ Thor Lake syenite complex	[Columbite-(Fe), Euxenite-(Y)] Sheard et al. (2012)
Mackenzie Mountains Tungsten (Cantung) ⓘ Little Nahanni Pegmatite Group	[Columbite-(Fe)-Columbite-(Mn) Series] Groat et al. (2003)
North Slave Region Blachford Lake alkaline complex Thor Lake syenite complex ⓘ Nechalacho deposit	[Columbite-(Fe), Euxenite-(Y)] Sheard (2010) +1 other reference
ⓘ T-Zone deposit	[Columbite-(Fe)-Columbite-(Mn) Series] Feng et al. (2015)
Yellowknife Pegmatite field ⓘ Blatchford Lake	[Columbite-(Fe)-Columbite-(Mn) Series] Northern Mineral Showings Database
ⓘ Moose II pegmatite (ELK; Beck; DeStaffany)	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series] Anderson et al. (2013)
ⓘ Peg Tantalum	[Columbite-(Fe)-Columbite-(Mn) Series] Silke (2009)
ⓘ Redout Lake Pegmatite	[Columbite-(Fe)] Wise et al. (1990)
ⓘ Van Dyke	[Columbite-(Fe)-Columbite-(Mn) Series] Northern Mineral Showings Database
Nova Scotia Lunenburg Co. New Ross ⓘ Keddy prospect (Lantz pegmatite; Keddy pegmatite)	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series] O'Reilly et al. (1982)
ⓘ Reeves pit (Reeves tin pit)	[Columbite-(Fe)-Columbite-(Mn) Series] Faribault (1908)
Pictou Co. ⓘ Georgeville	[Columbite-(Fe), Columbite-(Mn)] Hay (2000)
Yarmouth Co. Argyle East Kemptville ⓘ East Kemptville Tin-Indium Project (East Kemptville Tin Mine)	[Columbite-(Fe)-Columbite-(Mn) Series] Avalon Advanced Materials Inc.
Nunavut ⓘ Chantrey Inlet pegmatite field	[Columbite-(Fe)] P.B. Tomascak et al. (1994)
Kitikmeot Region Bathurst Inlet ⓘ Torp Lake pegmatite field	[Columbite-(Fe)-Columbite-(Mn) Series] P.B. Tomascak et al. (1994)
Qikiqtaaluk Region Baffin Island Foxe pegmatite field ⓘ PLEX pegmatite	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series, Columbite-(Mn)] P.B. Tomascak et al. (1994)
Ontario ⓘ Bancroft area	[Euxenite-(Y)] Grice (1989)
Cochrane District South of Ridge Lake Area ⓘ Martison carbonatite complex	[Columbite-(Fe)-Columbite-(Mn) Series] SAGE (1981)
Frontenac County Loughborough Township ⓘ Darling Lake Occurrence	[Euxenite-(Y)] www.minsocam.org (2012)
ⓘ Foxton occurrence (Long Lake)	[Euxenite-(Y)] MDI Number: MDI31C07NE00033
Greater Sudbury ⓘ Dill Township	[Columbite-(Fe)-Columbite-(Mn) Series] Ellsworth (1926)
ⓘ Wanup Quarry	[Euxenite-(Y)] Sabina (1991)
Haliburton County Highlands East Township Cardiff Township ⓘ Bicroft Mine	[Euxenite-(Y)] Pouliot et al. (1964) +1 other reference
ⓘ Richardson Mine (Fission Mine)	[Euxenite-(Y)] Sabina (1986)
Hastings County Faraday Township ⓘ Madawaska Mine (Faraday Mine)	[Euxenite-(Y)] Masson et al. (1981)
ⓘ Silver Crater Mine	[Euxenite-(Y)]
Hastings Highlands Municipality Herschel Township ⓘ Patterson occurrence	[Euxenite-(Y)] Ontario Ministry of Northern ...
Monteagle Township ⓘ Cairns Mine	[Euxenite-(Y)] www.geologyontario.mndm.gov.on.ca (n.d.)
ⓘ Genesee No. 2 Mine	[Euxenite-(Y)] Sabina (1986)
ⓘ Hybla pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] Ercit (1994)
ⓘ Plunkett Mine	[Euxenite-(Y)] Sabina (1986)
ⓘ Reeves Mine	[Euxenite-(Y)] www.geologyontario.mndm.gov.on.ca (n.d.)
ⓘ Woodcox Mine	[Columbite-(Fe)-Columbite-(Mn) Series] Dana 7:I: 772 +3 other references
Kenora District Brownridge Township ⓘ Mavis Lake occurrence	[Columbite-(Fe)-Columbite-(Mn) Series] Ontario Ministry of Northern ...
Fort Hope ⓘ Fort Hope pegmatite field	[Columbite-(Fe)-Columbite-(Mn) Series] Breaks et al. (2008)
MacNicol Township ⓘ Hawk Bay occurrence (Campbell-McFarlane)	[Euxenite-(Y)] Sabina (1991)
Pakeagama Lake Area PAK Lithium Project ⓘ Pakeagama Lake pegmatite	[Columbite-(Fe), Columbite-(Mn)] Breaks
Paterson Lake Area ⓘ Marko’s pegmatite	[Columbite-(Fe), Columbite-(Mn)] ontariominerals.com +2 other references
Root Lake pegmatite group Root Lake Area ⓘ Consolidated Morrison pegmatite	[Columbite-(Mn)] Ontario Ministry of Northern ...
ⓘ McCombe pegmatites	[Columbite-(Mn)] Tindle et al. (2005)
ⓘ Separation Rapids Lithium Project (Separation Lake area)	[Columbite-(Fe), Columbite-(Mn)] Avalon Advanced Materials Inc.
Skinner Lake Area ⓘ Musselwhite Mine	[Columbite-(Fe)] Taylor et al. (2001)
Lanark County Bathurst Township ⓘ Ennis Quarry	[Euxenite-(Y)] Sabina (1987)
South Sherbrooke Township ⓘ Orser-Kraft occurrence (Maberly)	[Euxenite-(Y)] Rose (1960)
Nipissing District ⓘ Butt Township	[Euxenite-(Y)] Ref. (Catalogue of The Ontario Localities represented By The Mineral Collection A of The Royal Ontario Museum 1977, pg 147)
ⓘ River's occurrence (Yankee Dam)	[Euxenite-(Y)] Sabina (2007) +1 other reference
ⓘ Ryan Mann and Sheehan claims	[Columbite-(Fe), Euxenite-(Y)] Ercit (1994)
ⓘ Sheehan beryl occurrence	[Columbite-(Fe), Euxenite-(Y)] Ercit (1994)
ⓘ Calvin Township	[Euxenite-(Y)] Hugh S. Spence (1930)
Dickens Township ⓘ Algonquin Mica Mines	[Euxenite-(Y)] Ellsworth (1932)
ⓘ Davis Mine	[Columbite-(Fe)-Columbite-(Mn) Series, Euxenite-(Y)] Ercit (1994)
Spectacle Lake (Wolfsden Lake) ⓘ Spectacle Lake mine (Lake mine; Lake quarry)	[Euxenite-(Y)] Sabina (2007) +1 other reference
Mattawan Township ⓘ Mattawan Mine (O'Brien-Fowler)	[Euxenite-(Y)] Traill (1970) +2 other references
Mica Company of Canada mine ⓘ No.2 Deposit	[Euxenite-(Y)] www.geologyontario.mndm.gov.on.ca (n.d.)
ⓘ Purdy Mine	[Euxenite-(Y)] Sabina (1971)
Murchison Township ⓘ Cameron mine	[Euxenite-(Y)] Sabina (1971)
ⓘ J.G. Gole Quarry	[Euxenite-(Y)] ontariominerals.com +1 other reference
Sabine Township ⓘ H.Bolton Property	[Euxenite-(Y)] Ellsworth (1928)
ⓘ McKenzie Lake Mine (Gunter Quarry)	[Euxenite-(Y)] Ontario Ministry of Northern ... +1 other reference
Parry Sound District Chapman Township ⓘ Bell Mine (Cecebe Mine)	[Euxenite-(Y)] Sabina (2007)
ⓘ Blue Star mine	[Columbite-(Mn), Euxenite-(Y)] Ercit (1994)
ⓘ Hungry Lake Mine (Carmen Lake)	[Euxenite-(Y)] Sabina (2007)
ⓘ Wheeling Mine	[Euxenite-(Y)] MDI Number: MDI31E12NE00003
Conger Township ⓘ Brignall Mine (McQuire and Robinson)	[Columbite-(Fe)-Columbite-(Mn) Series, Euxenite-(Y)] Rose (1960)
ⓘ Nickel Rim Mines Property	[Columbite-(Fe)-Columbite-(Mn) Series] Ontario Ministry of Northern ...
Henvey Township ⓘ Ambeau Mine	[Euxenite-(Y)] Hewitt (1967)
ⓘ Britt Station occurrence	[Euxenite-(Y)] Rose (1960)
Renfrew County Bonnechere Valley ⓘ Eganville area	[Euxenite-(Y)] Yale Peabody Museum
Brudenell-Lyndoch-and-Raglan Lyndoch Township ⓘ Quadeville area	[Columbite-(Fe)] Josef Vajdak (2008)
ⓘ Beryl Pit	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series, Euxenite-(Y)] Ellsworth (1927) +3 other references
ⓘ Rose Quartz Pit	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series, Euxenite-(Y)] Sabina (1971) +3 other references
Raglan Township ⓘ Craigmont Mine	[Euxenite-(Y)] Storey C.C. and Vos M.A. (1981)
ⓘ Craigmount workings	[Euxenite-(Y)] Sabina (1971)
Head-Clara-and-Maria Head Township ⓘ Carey Mine	[Euxenite-(Y)] Sabina (2007) +1 other reference
Thunder Bay District Barbara Lake Area ⓘ Georgia Lake spodumene pegmatites	[Columbite-(Fe)-Columbite-(Mn) Series] Hewitt (1967)
ⓘ Manitouwadge area	[Columbite-(Fe)-Columbite-(Mn) Series] Can Mineral February 1997 v. 35 no. 1 ...
Québec Abitibi-Témiscamingue Abitibi RCM La Corne ⓘ La Corne Mine	[Columbite-(Fe)-Columbite-(Mn) Series] Sabina (2003)
ⓘ North American Lithium mine	[Euxenite-(Y)] Sabina (2003)
Témiscamingue RCM Lac Sairs ⓘ Lac Sairs Amazonite Occurrence	[Columbite-(Mn)] Sabina (2007) +1 other reference
Lanaudière Matawinie RCM Saint-Michel-des-Saints ⓘ Maisonneuve mine (Maison Neuve mine)	[Euxenite-(Y)] Sabina (1983) +1 other reference
Montérégie La Vallée-du-Richelieu RCM Mont Saint-Hilaire ⓘ Poudrette quarry (De-Mix quarry; Demix quarry; Uni-Mix quarry; Carrière Mont Saint-Hilaire; MSH)	[Columbite-(Fe), Columbite-(Mn)] HORVÁTH et al. (2000)
Nord-du-Québec Nunavik ⓘ Eldor Carbonatite Complex (Eldor carbonatite)	[Columbite-(Fe)] Laferrière (2011)
ⓘ Misery Lake alkaline complex	[Columbite-(Fe)] Petrella (2013)
ⓘ Qalluviartuuq Intrusive Complex	[Columbite-(Fe)] Pierre-Alain Wulser
Outaouais Les Collines-de-l'Outaouais RCM Val-des-Monts ⓘ Lachaine Quarry	[Euxenite-(Y)] Sabina (1987) +1 other reference
Saint-Pierre-de-Wakefield Lake Saint-Pierre ⓘ Evans-Lou Mine	[Euxenite-(Y)] M et al. (1971)
ⓘ Leduc Mine	[Columbite-(Mn), Euxenite-(Y)] Hogarth et al. (1982) +1 other reference
Saguenay-Lac-Saint-Jean Le Fjord-du-Saguenay RCM Saint-Honoré ⓘ Saint-Honoré carbonatite complex	[Columbite-(Fe)-Columbite-(Mn) Series] Kennedy et al. (1981)
ⓘ Niobec mine	[Columbite-(Fe)-Columbite-(Mn) Series] Kennedy et al. (1981)
ⓘ Strange Lake Alkalic Complex (Strange Lake Complex; Lac Brisson Complex)	[Euxenite-(Y)] Miller (2021)
Yukon Watson Lake mining district True Blue property (Shark property) ⓘ Guano Ridge (Guano prospect)	[Columbite-(Fe)-Columbite-(Mn) Series] D. Turner and L.A. Groat (2010) +1 other reference

Chad
Tibesti Region ⓘ Yedri Massif	[Columbite-(Fe)-Columbite-(Mn) Series] Mining Journal Chad Supplement ...

Chile
Bíobío Concepción Province ⓘ Coyanmahuida pegmatite	[Euxenite-(Y)] Alarcón Novoa (2019)

China
Anhui Huangshan She Co. ⓘ Huangshan pluton	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series, Euxenite-(Y)] Duan et al. (2025)
Lu'an Jinzhai County ⓘ Shapinggou Mo deposit	[Columbite-(Fe)] Huaidong Zhang et al. (2012)
Fujian Longyan Yongding Co. ⓘ Shangxiahu Nb-Ta deposit	[Columbite-(Fe)-Columbite-(Mn) Series] Liu et al. (2024)
Nanping Pucheng County ⓘ Yangdun REE deposit	[Columbite-(Fe)-Columbite-(Mn) Series] Su et al. (2) +4 other references
Wuyishan City ⓘ Pingdi-Shangxikeng Mo deposit	[Euxenite-(Y)] Shuchao Fu (2011)
Yanping District Nanping pegmatite field ⓘ Pegmatite No. 31	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series, Columbite-(Mn)] Can Rao et al. (2009) +2 other references
Gansu Jiuquan Aksai Co. ⓘ Yushishan Nb–Ta ore deposit	[Columbite-(Fe)-Columbite-(Mn) Series, Euxenite-(Y)] Yu et al. (2023)
Guazhou Co. ⓘ Guobaoshan Rb deposit	[Columbite-(Mn)] Chen et al. (2022)
Guangdong Guangzhou Zengcheng Co. ⓘ Paitan Mine	[Columbite-(Fe)-Columbite-(Mn) Series] Kamitani et al. (2007)
ⓘ Yonghan Mine	[Columbite-(Fe)-Columbite-(Mn) Series] Kamitani et al. (2007)
Huizhou Boluo Co. ⓘ Deposit No. 520	[Columbite-(Fe)-Columbite-(Mn) Series] Kamitani et al. (2007)
Shaoguan Wengyuan Co. ⓘ Hongling Mine	[Columbite-(Fe)-Columbite-(Mn) Series] Zhang et al. (2024)
Zhaoqing Gaoyao District ⓘ Hengshan Nb-Ta-Sn deposit	[Columbite-(Fe)-Columbite-(Mn) Series] Kamitani et al. (2007)
Guangning County ⓘ Hongshan Mine	[Columbite-(Fe)] Smith et al. (2005)
Guangxi Guilin Gongcheng Co. ⓘ Limu Ta-Sn ore field	[Columbite-(Fe)] Hui Li et al. (1983)
ⓘ Jinzhuyuan Mine	[Columbite-(Fe)-Columbite-(Mn) Series] Zhu et al. (2001)
ⓘ Laohutou Mine	[Columbite-(Fe)-Columbite-(Mn) Series] Zhu et al. (2001)
ⓘ Shuiximiao Mine	[Columbite-(Mn)] Pengfei Zhou et al. (2009)
Lingchuan Co. Youmaling W deposit ⓘ Gaoling deposit	[Columbite-(Fe)-Columbite-(Mn) Series] ZHANG et al. (2014)
Quanzhou Co. ⓘ Maoantan pegmatite field	[Columbite-(Mn)] Renke Li and Xuming Zhang (1995)
Ziyuan Co. Miaoershan-Yuechengling ore field Yuechengling batholith Mao’antang Nb-Ta deposit ⓘ Mao’antang ore block	[Columbite-(Fe)-Columbite-(Mn) Series] Zhao et al. (2025)
ⓘ Mao’antang pegmatite No.160	[Columbite-(Mn)] Zhao et al. (2025)
ⓘ Mao’antang pegmatite No.701	[Columbite-(Fe), Columbite-(Mn)] Zhao et al. (2025)
ⓘ Xianglushan Rb-rich granite	[Columbite-(Fe)-Columbite-(Mn) Series] Huo et al. (2026)
Nandan-Hechi Sn-W metallogenic belt ⓘ Dachang ore field	[Columbite-(Fe)-Columbite-(Mn) Series] Guo et al. (2022)
Hainan Ding'an Co. Penglai ⓘ Penglai Gem deposit	[Columbite-(Fe)] Zhili Qiu et al. (2001)
Hebei Chengde Fengning County ⓘ Sandao village (Tao District)	[Columbite-(Fe)-Columbite-(Mn) Series] Yu Zuxiang et al. (1974)
Xinglong County ⓘ Huashi rare metal deposit	[Columbite-(Fe)-Columbite-(Mn) Series, Columbite-(Mn)] Liu et al. (2024) +1 other reference
Zhangjiakou Kangbao County ⓘ Dongjin intrusion	[Columbite-(Fe)-Columbite-(Mn) Series] Liu et al. (2023)
Heilongjiang Hegang Luobei County ⓘ Luobei pegmatite field	[Columbite-(Fe)] Deshi Lu (1993)
Qiqihaer ⓘ Unnamed rare-metal deposit	[Columbite-(Fe)-Columbite-(Mn) Series] Xiaoshi Ding et al. (1981)
Henan Nanyang Neixiang County Wuduoshan batholith ⓘ Erlangchuan pluton	[Columbite-(Fe)-Columbite-(Mn) Series] Chen et al. (2025)
Sanmenxia Lushi County Guanpo ⓘ Guanpo pegmatite field	[Columbite-(Fe)-Columbite-(Mn) Series] Yuan et al. (2022)
ⓘ Nanyangshan pegmatite field	[Columbite-(Fe)-Columbite-(Mn) Series, Columbite-(Mn)] Qu et al. (2023)
ⓘ Nanyangshan 703 deposit	[Columbite-(Fe)-Columbite-(Mn) Series, Columbite-(Mn)] Qu et al. (2020) +1 other reference
Hubei Shiyan Zhushan Co. ⓘ Miaoya carbonatite	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series] Li (1982) +3 other references
Xianning Tongcheng Co. ⓘ Duanfengshan Mine	[Columbite-(Fe)-Columbite-(Mn) Series, Columbite-(Mn)] Yin et al. (2026)
Hunan Chenzhou Guiyang Co. Huangshaping Pb-Zn-polymetallic ore field ⓘ Huangshaping Mine	[Columbite-(Fe)-Columbite-(Mn) Series] Ding et al. (2016)
Linwu Co. ⓘ Xianghualing Sn-polymetallic ore field	[Columbite-(Fe)-Columbite-(Mn) Series] Li et al. (2023)
ⓘ Jianfengling Nb-Ta-Sn deposit	[Columbite-(Mn)] Diao et al. (2022)
Yizhang Co. Dongpo ore field ⓘ Shizhuyuan Mine	[Columbite-(Fe)-Columbite-(Mn) Series] Yihong Sun and Xiangmei Ren (1986)
Hengyang Leiyang Co. ⓘ Shangbao Mine	[Columbite-(Fe)-Columbite-(Mn) Series] Xiangli Chen et al. (2003) +2 other references
Huaihua Yuanling Co. ⓘ Woxi Mines (Wuxi Mines; Xiangxi Mines; Xianxi Mines)	[Columbite-(Fe)-Columbite-(Mn) Series] Dai et al. (2022) +1 other reference
Yongzhou Dao Co. ⓘ Weijia W deposit	[Columbite-(Fe)-Columbite-(Mn) Series] Huang et al. (2022)
Yueyang Pingjiang Co. ⓘ Baishawo Be‐Nb‐Ta deposits	[Columbite-(Fe)-Columbite-(Mn) Series] Fan et al. (2022)
ⓘ Gaotan pegmatite field	[Columbite-(Fe)] National Geological Archives of China ...
Renli Nb‐Ta deposit ⓘ No. 5 pegmatite vein	[Columbite-(Mn)] Jiang et al. (2023)
Inner Mongolia Alxa League (Alashan Prefecture) Alxa Right Banner (Alashan Youqi) ⓘ Taohualashan REE deposit (Taohuashan REE deposit)	[Columbite-(Fe)-Columbite-(Mn) Series] Bai et al. (1985) +2 other references
Baotou City Bayan Obo mining district ⓘ Bayan Obo deposit	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series, Columbite-(Mn)] Qing-chang (1981) +3 other references
ⓘ Abandoned pit	[Columbite-(Fe)-Columbite-(Mn) Series] Huang et al. (2024)
ⓘ Bayan Obo sludge lake	[Columbite-(Fe)-Columbite-(Mn) Series] Shao et al. (2023)
ⓘ East Mine	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series] Liu et al. (2022)
ⓘ Eastern contact zone	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series] Yang et al. (2026)
ⓘ H9 litho-unit	[Columbite-(Fe)-Columbite-(Mn) Series] Xie et al. (2026)
ⓘ Main pit	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series] Xue et al. (2026)
Darhan Muminggan United Banner (Da'erhan Maoming'an Lianheqi; Damaoqi) ⓘ Daqingshan pegmatite	[Euxenite-(Y)] Lei et al. (2025)
Chifeng City (Ulanhad League; Chifeng Prefecture) Hexigten Banner (Keshiketeng Co.) ⓘ Tailaihua Nb-Ta-Be deposit	[Columbite-(Fe)-Columbite-(Mn) Series] Shi et al. (2026)
Tongliao City (Tongliao Prefecture) Jarud Banner (Zalute Co.) ⓘ Baerzhe complex	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series, Euxenite-(Y)] Wu et al. (2021)
ⓘ Intrusion No. 801	[Columbite-(Fe), Euxenite-(Y)] Zhongxin Yuan and Ge Bai (1997) +1 other reference
ⓘ East ore body	[Columbite-(Fe)-Columbite-(Mn) Series, Euxenite-(Y)] Zhang +3 other references
ⓘ West ore body	[Euxenite-(Y)] The Editorial Committee of the Mineral deposits in China (eds)
ⓘ Xing'an deposit (Hinggan deposit)	[Columbite-(Fe)-Columbite-(Mn) Series] Orris et al. (2002)
Xilingol League (Xilinguole Prefecture) Bordered Yellow Banner (Xianghuang Co.) ⓘ Jiabusi Ta-Nb deposit	[Columbite-(Fe)-Columbite-(Mn) Series, Columbite-(Mn)] Zhang et al. (2022)
Xilinhot City (Xilinhaote Co.) ⓘ Shihuiyao Rb-Nb-Ta-(Be-Li) deposit	[Columbite-(Fe)-Columbite-(Mn) Series] Duan et al. (2022) +3 other references
Jiangsu Suzhou Huqiu District ⓘ Shananbang Ta-Nb deposit	[Columbite-(Fe)] Xiaojun Yuan et al. (2004) +1 other reference
Jiangxi Ganzhou Anyuan Co. ⓘ Shitouping Ion-Adsorption Heavy REE Deposit	[Columbite-(Fe)-Columbite-(Mn) Series] Gong et al. (2023) +1 other reference
Dayu Co. ⓘ Xihuashan ore field	[Euxenite-(Y)] Orris et al. (2002)
Quannan Co. ⓘ Dajishan Mine (Tachishan Mine)	[Columbite-(Mn), Euxenite-(Y)] Guohao Jiang et al. (2004)
Shicheng Co. ⓘ Hailuoling Nb-Ta deposit	[Columbite-(Fe)-Columbite-(Mn) Series] Lin Yin et al. (1993)
Xunwu Co. ⓘ Tongkengzhang Mo deposit	[Euxenite-(Y)] Yunhuai Lin (1986)
Ji'an Suichuan Co. ⓘ Xigang Ta-Nb deposit	[Columbite-(Fe)] Weizheng Hu et al. (2005)
Jiujiang Xiushui Co. Dahutang ore field ⓘ Pingmiao deposit	[Columbite-(Fe)-Columbite-(Mn) Series] Yang et al. (2022)
Shangrao Hengfeng Co. Lingshan complex ⓘ Huangshan Nb-Ta deposit	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series] Zhu et al. (2026)
ⓘ Songshugang Nb-Ta-W-Sn deposit (Geyuan Nb-Ta-W-Sn deposit)	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series] Zhu et al. (2024)
Yichun ⓘ Ganfang rare metal deposit	[Columbite-(Fe)-Columbite-(Mn) Series, Columbite-(Mn)] Zhu et al. (2025)
Yifeng Co. ⓘ Xikeng Li deposit	[Columbite-(Fe)-Columbite-(Mn) Series] Xu et al. (2024)
Yuanzhou District ⓘ Wugongshan complex	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series, Columbite-(Mn)] Ma et al. (2026)
ⓘ Yichun complex (Yashan batholith)	[Columbite-(Fe)-Columbite-(Mn) Series] Jiang et al. (2020) +1 other reference
ⓘ Yichun Mine (Mine No. 414)	[Columbite-(Fe)-Columbite-(Mn) Series, Columbite-(Mn)] Desong Lin (1993) +2 other references
Liaoning Anshan Qianshan District ⓘ Qidashan Fe Mine	[Columbite-(Fe)-Columbite-(Mn) Series] Xiao et al. (2026)
Chaoyang Jianping County Yebaishou ⓘ Deposit No. 11	[Euxenite-(Y)] National Geological Archives of China ...
Dandong Kuandian County ⓘ Saima U-REE deposit	[Columbite-(Fe)-Columbite-(Mn) Series] Wu et al. (2023)
Fuxin ⓘ Daxiyingzi Rb–Be deposit	[Columbite-(Fe)-Columbite-(Mn) Series] Ju et al. (2022)
ⓘ Liaodong Peninsula	[Euxenite-(Y)] Pavel M. Kartashov (n.d.)
Liaoyang Gongchangling District Gongchangling Fe deposit ⓘ Gongchangling No. 1 Mine	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series, Columbite-(Mn)] Liu et al. (2025)
Qinghai Hainan Gonghe Co. ⓘ Duolongge rare metal granitic pegmatite prospect	[Columbite-(Mn)] Chen et al. (2026)
Haixi Mongol and Tibetan Autonomous Prefecture Dulan County ⓘ Dagelegouxi carbonatite-hosted REE-Nb deposit	[Columbite-(Fe)-Columbite-(Mn) Series] Hui et al. (2025) +1 other reference
Mangnai City (Mangya Co.) Lenghu Co. ⓘ Jiaolesayi pegmatite	[Euxenite-(Y)] Zhang et al. (2024)
Tianjun County ⓘ Chakabeishan rare-element pegmatites	[Columbite-(Fe)-Columbite-(Mn) Series, Columbite-(Mn)] Sun et al. (2023) +1 other reference
Wulan Co. (Ulan Co.) ⓘ Shaliuquan Nb-Ta deposit	[Columbite-(Fe), Columbite-(Mn), Euxenite-(Y)] Feng et al. (2024)
Shaanxi Ankang Langao County ⓘ Jinzhugang Nb occurrence	[Columbite-(Fe)-Columbite-(Mn) Series] Wu et al. (2024)
Ningshan County Ningshan pegmatite district ⓘ Xinjian	[Columbite-(Fe)-Columbite-(Mn) Series] Nie +4 other references
Weinan Huayin City ⓘ Huanglongpu Mo-(Pb) deposit	[Columbite-(Fe)-Columbite-(Mn) Series] DUAN et al. (2024)
ⓘ Huayangchuan U-Nb-Pb deposit	[Columbite-(Fe)-Columbite-(Mn) Series] Kamitani et al. (2007)
Huazhou District ⓘ Huangjiagou NYF pegmatites	[Columbite-(Mn)] Zhang et al. (2022)
Shandong Jining Weishan County ⓘ Weishan Mine (Chisan Mine; Chishan alkaline complex; Xishan Mine; Deposit No. 101)	[Columbite-(Fe)-Columbite-(Mn) Series] Orris et al. (2002)
Weifang Changle County Wutu ⓘ Sapphire deposit	[Columbite-(Fe)-Columbite-(Mn) Series] Zhili Qiu et al. (2001)
Sichuan Garzê Autonomous Prefecture (Ganzi Autonomous Prefecture) Jiulong County ⓘ Baitai Be deposit	[Columbite-(Fe)-Columbite-(Mn) Series] Hu et al. (2025)
ⓘ Luomo Be deposit	[Columbite-(Fe)-Columbite-(Mn) Series] Hu et al. (2025)
Yajiang County Kangding pegmatite field ⓘ Jiajika Mine	[Columbite-(Fe)] Chenghua Zhang and Guodong Ji (1983)
ⓘ No. 9 Pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] Zhao et al. (2023)
Guangyuan Wangcang County ⓘ Lijiahe	[Columbite-(Fe)-Columbite-(Mn) Series] Bai et al. (1985)
Liangshan Yi Huili County ⓘ Baicao Nb-Ta deposit	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series] Xue et al. (2021)
ⓘ Lalachang Cu deposit (Lala Cu deposit)	[Euxenite-(Y)] Song et al. (2020)
ⓘ Xiaoheiqing Nb-Ta deposit	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series] Xue et al. (2021)
Mianning County ⓘ Maoniuping Mine	[Columbite-(Fe)-Columbite-(Mn) Series] Orris et al. (2002)
Ngawa Autonomous Prefecture (Aba Autonomous Prefecture) Jinchuan Co. ⓘ Ke'eryin pegmatite field	[Columbite-(Fe)-Columbite-(Mn) Series] Li +4 other references
ⓘ Dangba deposit	[Columbite-(Fe)-Columbite-(Mn) Series] Zhao et al. (2026)
ⓘ Jiada deposit	[Columbite-(Fe)-Columbite-(Mn) Series] Li et al. (2022)
ⓘ Lijiagou deposit	[Columbite-(Fe)-Columbite-(Mn) Series] Chen et al. (2024)
ⓘ Sizemuzu deposit	[Columbite-(Fe)-Columbite-(Mn) Series] Yue et al. (2018)
Panzhihua Yanbian County ⓘ Luku Complex	[Columbite-(Fe)-Columbite-(Mn) Series, Columbite-(Mn)] Lin et al. (1995)
Tibet Shannan Prefecture (Lhokha Prefecture; Lhoka Prefecture) Lhozhag Co. (Luozha Co.) ⓘ Lalong Dome	[Columbite-(Fe)-Columbite-(Mn) Series] Fu et al. (2023)
Lhünzê Co. (Longzi Co.) Cuonadong dome ⓘ Cuonadong Sn-W-Be deposit	[Columbite-(Fe)-Columbite-(Mn) Series] He et al. (2022)
Xigazê Prefecture (Rikaze Prefecture; Shigatse Prefecture) Gyirong County ⓘ Zhaguopu Li-Be-Nb-Ta deposit	[Columbite-(Fe)-Columbite-(Mn) Series] Chen et al. (2026)
Tingri Co. (Dingri Co.) ⓘ Hermit's Gorge	[Columbite-(Fe)-Columbite-(Mn) Series, Columbite-(Mn)] Rucheng Wang et al. (2018)
ⓘ Qongjiagang Mountain	[Columbite-(Fe)-Columbite-(Mn) Series] Li et al. (2025)
Xinjiang Akesu Prefecture Baicheng Co. ⓘ Boziguoer intrusion	[Columbite-(Fe)] Yin et al. (2015)
ⓘ Yilanlike pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] He et al. (2025)
Bayin'gholin Autonomous Prefecture Ruoqiang Co. (Qakilik Co.; Chaqiliq Co.) ⓘ Huanglongling Li Deposit	[Columbite-(Fe)-Columbite-(Mn) Series] Zhang et al. (2025)
ⓘ Shaliangxi granitic pegmatite Li deposit	[Columbite-(Fe)-Columbite-(Mn) Series] Qin et al. (2025)
Tashidaban Li district ⓘ Kumusayi Li deposit	[Columbite-(Fe)-Columbite-(Mn) Series] Ma et al. (2025)
ⓘ Tashidaban granitic pegmatite Li deposit	[Columbite-(Fe)-Columbite-(Mn) Series] Ma et al. (2025)
Hami Prefecture (Kumul Prefecture; Qumul Prefecture) Yizhou District ⓘ Juyuan W deposit	[Columbite-(Fe)-Columbite-(Mn) Series] YIN et al. (2021)
ⓘ Yamansu quartz deposit	[Columbite-(Fe)-Columbite-(Mn) Series] Feng et al. (2026)
ⓘ Zhangbaoshan Rb deposit	[Columbite-(Fe)-Columbite-(Mn) Series] Zhi et al. (2021)
Hotan Prefecture Hetian Co. (Khotan Co.; Hotan Co.; Hoten Co.) ⓘ Dahongliutan pegmatite field	[Columbite-(Fe)-Columbite-(Mn) Series] Feng et al. (2019) +1 other reference
Aktas pegmatite ⓘ No. 90 pegmatite	[Columbite-(Fe), Columbite-(Mn), Euxenite-(Y)] Feng et al. (2019)
ⓘ Bailongshan pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] Zhang et al. (2021) +2 other references
ⓘ Dahongliutandong Li deposit	[Columbite-(Fe)-Columbite-(Mn) Series] Yang et al. (2026)
Ili Kazakh Autonomous Prefecture Altay Prefecture (Aletai Prefecture) Aletai Co. (Altay Co.) ⓘ Dakalasu Mine (Dahalasu Mine)	[Columbite-(Fe)] Denghong Wang et al. (2003)
ⓘ Dakalasu No.1 pegmatite deposit	[Columbite-(Fe)-Columbite-(Mn) Series] Suo et al. (2022) +1 other reference
ⓘ Shangkelan pegmatite field	[Columbite-(Fe)-Columbite-(Mn) Series] Shen et al. (2025)
Bu'erjin Co. (Burqin Co.; Burchin Co.) ⓘ Yelaman Mine	[Columbite-(Fe)] Denghong Wang et al. (2001)
Fuhai Co. (Burultokay Co.) ⓘ Husite pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] Zhou et al. (2022)
ⓘ Kalu’an-Azubai Pegmatite Field	[Columbite-(Fe)-Columbite-(Mn) Series] Feng et al. (2019)
Fuyun Co. (Koktokay Co.) Ayoubulake pegmatite field ⓘ Altay pegmatite no. 202	[Columbite-(Fe)-Columbite-(Mn) Series] Rubo Zhang and Fengming Han (1983)
Koktokay pegmatite field (Keketuohai pegmatite field) Altay Mine ⓘ Koktokay No. 3 pegmatite (Altay No. 3 pegmatite)	[Columbite-(Fe)-Columbite-(Mn) Series, Columbite-(Mn)] Zhang et al. (2004) +2 other references
ⓘ Koktokay No. 1 pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series, Columbite-(Mn)] Wang R et al. (2014) +1 other reference
ⓘ Koktokay No. 2 pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series, Columbite-(Mn)] Cao et al. (2022)
ⓘ Tiemulete pegmatite field	[Columbite-(Fe)-Columbite-(Mn) Series] Wang et al. (2023)
Qinghe Co. (Qinggil Co.; Chinggil Co.) ⓘ Amulagong pegmatite field	[Columbite-(Fe)-Columbite-(Mn) Series] Wang et al. (2023)
ⓘ Asika'erte Mine	[Columbite-(Fe)-Columbite-(Mn) Series, Columbite-(Mn)] Wang et al. (2024)
ⓘ Askartor Be-Mo deposit	[Columbite-(Fe)-Columbite-(Mn) Series] Yong et al. (2021)
ⓘ Askator Be-Mo deposit	[Columbite-(Fe)-Columbite-(Mn) Series] Wu et al. (2022)
Dakalasu-Kekexier pegmatite field ⓘ Dakalsu pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] Zhou +1 other reference
Kelumute-Jideke pegmatite field ⓘ Qunkuer pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] Zhou et al. (2022)
Qinghe pegmatite field ⓘ Baicheng pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] Zhou et al. (2022)
Xiaokalasu-Qiebielin pegmatite field ⓘ Weizigou pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] Zhou et al. (2022)
Tacheng Prefecture (Tarbaghatay Prefecture) Tuoli Co. (Toli Co.) ⓘ Baiyanghe U-Be deposit	[Columbite-(Mn)] Zhang et al. (2020)
Kezilesu Autonomous Prefecture (Kizilsu Autonomous Prefecture; Qizilsu Autonomous Prefecture) Atushi Co. (Artux Co.; Atux Co.; Atush Co.) Halajun Township ⓘ Bashisuhong alkaline complex	[Columbite-(Fe)-Columbite-(Mn) Series] Liu et al. (2026)
Yunnan Baoshan Longling County ⓘ Huangliangou Be-Nb-Ta pegmatite deposit	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series] Gao et al. (2026)
Tengchong County Caoziwa Pb–Zn deposit ⓘ Dadoushan ore zone	[Columbite-(Fe)-Columbite-(Mn) Series] Ouyang et al. (2024)
ⓘ Xiangchunyuan ore zone	[Columbite-(Fe)-Columbite-(Mn) Series] Ouyang et al. (2024)
Tengchong Sn belt ⓘ Dayangtian Sn deposit	[Euxenite-(Y)] Feibao Wu and Zongyu Li (1986)
Chuxiong Wuding County ⓘ Yinachang Fe-Cu-REE deposit	[Columbite-(Fe)-Columbite-(Mn) Series] Ligang et al. (2018)
Gaoligong High-Grade metamorphic belt Rare metal-bearing pegmatites ⓘ Albite pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] Deng et al. (2024)
ⓘ Perthite–Albite pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] Deng et al. (2024)

Colombia
Antioquia Department ⓘ Rio Chico Placer District	[Columbite-(Fe)] Overstreet (1967)

Czech Republic
Central Bohemian Region Kutná Hora District ⓘ Vlastějovice	[Columbite-(Mn)] Ackerman (2005)
Moldanubian Zone pegmatites Holý vrch deposit ⓘ Elbaite pegmatite	[Columbite-(Mn)] Novák et al. (2013) +1 other reference
Vlkaneč ⓘ Přibyslavice	[Columbite-(Fe)] Povondra et al. (eds.) +1 other reference
Karlovy Vary Region Cheb District Aš ⓘ Vernéřov	[Columbite-(Fe)] Breiter K.
Lázně Kynžvart ⓘ Bílý Kámen pegmatite quarry	[Columbite-(Mn)] Černý et al. (Weisser Stein)
Karlovy Vary District Ostrov ⓘ Vykmanov	[Columbite-(Fe)] Štemprok et al. (2005)
Potůčky Potůčky Deposit ⓘ Podlesí stock	[Columbite-(Fe)] Breiter et al. (2007)
Sokolov District ⓘ Horní Slavkov	[Euxenite-(Y)] Vepice et al. (Böhmen) +1 other reference
ⓘ Krásno	[Columbite-(Fe), Columbite-(Mn)] René et al. (2011)
Vysoký Kámen ⓘ Greisen deposit	[Euxenite-(Y)] Vepice et al. (Böhmen) +1 other reference
Liberec Region Jablonec nad Nisou District Kořenov Jizerka ⓘ Jizerská louka	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series] geological prospecting
Olomouc Region Jeseník District Zlaté Hory Ondřejovice ⓘ Salisov pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] Čech et al. (1979)
Šumperk District ⓘ Branná	[Columbite-(Fe)-Columbite-(Mn) Series] Łodziński et al. (2011)
ⓘ Dämmbaude	[Columbite-(Fe), Columbite-(Mn)] Novák (2003)
Petrov nad Desnou ⓘ Oplustilberg	[Columbite-(Fe)-Columbite-(Mn) Series] Kruťa et al. (1968)
Sobotín ⓘ Bienergraben	[Columbite-(Mn)] Štosová
Šumperk ⓘ Ostředek (Mittelberg)	[Columbite-(Fe)-Columbite-(Mn) Series] Procházka (1969)
ⓘ Velké Losiny	[Columbite-(Fe)-Columbite-(Mn) Series] Kruťa et al. (1968)
Maršíkov (Marchendorf) ⓘ D6e pegmatite	[Columbite-(Fe), Columbite-(Mn)] Ddolníček Z et al. (2020)
ⓘ Lysá hora (Kahlhübel)	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series, Columbite-(Mn)] Chládek Š. (2016)
ⓘ Rasovna (Schinderhübl)	[Columbite-(Fe), Columbite-(Mn)] Novák
ⓘ Střelecký důl (Scheibengraben)	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series, Columbite-(Mn)] Novák
ⓘ Unnamed pegmatite occurrence	[Columbite-(Fe)-Columbite-(Mn) Series] Kruťa et al. (1968)
Plzeň Region Domažlice District Otov ⓘ Otov I pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] Masau +2 other references
South Bohemian Region České Budějovice District Horní Stropnice ⓘ Šejby	[Columbite-(Fe)] Pavlíček V. et al.: Pegmatit ...
ⓘ Nové Hrady	[Columbite-(Fe)-Columbite-(Mn) Series] Collection of J. Čermák
ⓘ Rudolfov (Rudolfstadt)	[Columbite-(Mn)] Welser +5 other references
Český Krumlov District Černá v Pošumaví Bližná ⓘ Václav graphite mine	[Euxenite-(Y)] Drábek +1 other reference
Nová Ves ⓘ Nová Ves pegmatite	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series, Columbite-(Mn)] Welser
Jindřichův Hradec District ⓘ Kostelní Vydří (Kirchwiedern)	[Columbite-(Fe)] Novák (1994)
Stráž nad Nežárkou ⓘ Homolka Hill	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series] Breiter et al. (1995)
Písek District Kovářov Vepice ⓘ Vepice quarry	[Columbite-(Fe)-Columbite-(Mn) Series] Sejkora et al. (2020)
ⓘ Nový rybník quarry	[Columbite-(Fe)-Columbite-(Mn) Series]
ⓘ U obrázku quarry (Obrázek I quarry)	[Columbite-(Fe)-Columbite-(Mn) Series, Euxenite-(Y)] Škoda et al. (2011)
South Moravian Region Znojmo District Ctidružice ⓘ Ctidružice deposit	[Columbite-(Fe)-Columbite-(Mn) Series] Scarlett Urbanová (2021)
ⓘ Vratěnín	[Columbite-(Fe)-Columbite-(Mn) Series] Němec (jihozápadní Morava)
Ústí nad Labem Region Teplice District Dubí ⓘ Cínovec	[Columbite-(Fe)-Columbite-(Mn) Series] Krátký et al. (2026)
ⓘ Borehole CS-1	[Columbite-(Fe)-Columbite-(Mn) Series] Breiter et al. (2024)
ⓘ Krupka ?	[Columbite-(Fe)-Columbite-(Mn) Series] Sejkora (1998)
Vysočina Region Havlíčkův Brod District Pohled ⓘ Granite quarry	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series, Columbite-(Mn)] Dolníček et al. (2024)
Vlkanov ⓘ Žebrákovský stream	[Columbite-(Fe)-Columbite-(Mn) Series] Rychlý
Jihlava District Jihlava ⓘ Pekelský vrch	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series] Pauliš et al. (2022)
Puklice ⓘ Puklice pegmatites	[Columbite-(Fe)-Columbite-(Mn) Series, Columbite-(Mn)] Novák et al. (1996)
Sedlatice ⓘ Sedlatice granitic pegmatite	[Columbite-(Mn)] Houzar (1995)
Velký Beranov Jeclov ⓘ Jeclov granitic pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] Staněk
Třebíč District ⓘ Klučov	[Euxenite-(Y)] Škoda et al. (2016) +1 other reference
Kožichovice ⓘ Kožichovice II pegmatite	[Columbite-(Mn)] Výravský et al. (2017)
ⓘ Radkovice u Hrotovic	[Columbite-(Fe)-Columbite-(Mn) Series] Scarlett Urbanová (2021)
Radonín ⓘ Radonín pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] Nemec (1982)
Slavičky ⓘ Pozd'átky	[Euxenite-(Y)] Pauliš P. et al. (Kutna Hora, issue 1)
Stařeč ⓘ Kracovice	[Columbite-(Fe)-Columbite-(Mn) Series, Columbite-(Mn)] Škoda et al. (2012) +1 other reference
Vladislav ⓘ Pegmatite occurrences	[Euxenite-(Y)] Pauliš P. et al. (Kutna Hora, issue 1)
Žďár nad Sázavou District Bory ⓘ Dolní Bory	[Columbite-(Fe)] Novák +2 other references
ⓘ Pegmatite vein No. 21	[Columbite-(Mn)] Němec D.: Ein Pegmatit mit Li-Mineralisierung von Dolní Bory in Westmahren (ČSSR)
ⓘ Pegmatite vein No. 3	[Columbite-(Fe)] Novák +1 other reference
ⓘ Pegmatite vein No. 4	[Columbite-(Fe)-Columbite-(Mn) Series] Staněk (1997)
Horní Bory Cyrilov (Cyrillhof) ⓘ Cyrilov phosphate pegmatite (Cyrillhof)	[Columbite-(Fe)] new data on the type material. Journal of GEOsciences: 45 (1-2) +1 other reference
ⓘ Dobrá Voda	[Columbite-(Mn)] Novák et al. (1999)
ⓘ Dolní Rožínka	[Columbite-(Mn)] Novotný et al. (2019)
ⓘ Hamry nad Sázavou	[Columbite-(Fe)-Columbite-(Mn) Series] CEMPÍREK
ⓘ Pikárec	[Columbite-(Mn)] Flégr et al. (2017)
ⓘ Řečice	[Columbite-(Mn)] Novák et al. (1999)
ⓘ Řečice pegmatite	[Columbite-(Mn)] Flégr et al. (2017)
Rožná ⓘ Rožná pegmatite (Rozna; Roschna)	[Columbite-(Fe), Columbite-(Mn)] Novák +3 other references
ⓘ Rožná Borovina	[Columbite-(Fe), Columbite-(Mn)] P. Pauliš (2001)
ⓘ Rožná Hradisko	[Columbite-(Fe), Columbite-(Mn)] P. Pauliš (2001)
ⓘ Tři Studně	[Columbite-(Fe)-Columbite-(Mn) Series] Kruťa
Věžná ⓘ Věžná I pegmatite	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series] Cerny et al. (2000)
ⓘ Věžná II pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] Mineralogical Magazine 1963 33 : 450-457 +2 other references

DR Congo
Ituri Mambasa Territory ⓘ Mambasa	[Columbite-(Fe)] Melcher et al. (2015)
ⓘ Liha river	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series, Euxenite-(Y)] www.africamuseum.be (n.d.)
Maniema ⓘ Punia Territory	[Columbite-(Fe)] Kristiansen (2001)
North Kivu Beni Territory Bashu ⓘ Bingo carbonatite	[Columbite-(Fe)-Columbite-(Mn) Series] Berger et al. (2009)
Rutshuru Territory Bwito ⓘ Lueshe Mine	[Columbite-(Fe), Columbite-(Mn)] Wall et al. (1996)
South Kivu ⓘ Mwenga Territory	[Columbite-(Fe)] Melcher et al. (2015)
ⓘ Kobokobo pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] Safiannikoff et al. (1967) +2 other references
Shabunda Territory ⓘ Lulingu	[Columbite-(Fe)-Columbite-(Mn) Series] Villeneuve et al. (2022)
Tanganyika ⓘ Manono-Kitotolo mine	[Columbite-(Fe)-Columbite-(Mn) Series] www.mineralmundi.com (n.d.) +1 other reference

Egypt
Aswan Governorate ⓘ El-Sibai shear zone	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series] Mohamed (2013)
ⓘ Eastern Desert	[Columbite-(Fe)-Columbite-(Mn) Series] MinMag 63:821-836
New Valley Governorate ⓘ Nusab El Balgum	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series] Mahmoud et al. (2018)
Red Sea Governorate ⓘ Abu Dabbab Massif	[Columbite-(Mn)] Alekseev et al. (2023)
ⓘ Abu Dabbab Ta-Sn deposit	[Columbite-(Fe), Columbite-(Mn)] Fengjun Nie et al. (2013)
Abu Ramad ⓘ Gabal El Sela	[Columbite-(Fe)-Columbite-(Mn) Series] El Aref et al. (2020)
ⓘ El-Baroud granitic intrusion	[Columbite-(Fe)-Columbite-(Mn) Series, Euxenite-(Y)] Sami et al. (2025)
ⓘ El Bakriyah Ring Complex	[Columbite-(Fe)-Columbite-(Mn) Series, Columbite-(Mn)] Abd El-Fatah et al. (2023)
ⓘ Gabal El-Bakriya Pegmatites	[Columbite-(Fe)-Columbite-(Mn) Series] Fathy et al. (2025)
ⓘ Gabal El-Ineigi	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series] Sami et al. (2017) +1 other reference
ⓘ Gabal Qash Amir muscovite granite	[Columbite-(Fe)-Columbite-(Mn) Series] Emad et al. (2022)
ⓘ Gebel Gattar	[Euxenite-(Y)] Helmy
ⓘ Gebel Ras Baroud	[Columbite-(Fe), Columbite-(Mn)] Raslan et al. (2010)
ⓘ Homret El Gergab	[Columbite-(Fe)-Columbite-(Mn) Series] Ghoneim et al. (2024)
ⓘ Homrit Akarem intrusion	[Columbite-(Fe)] Azer et al. (2025)
ⓘ Kadabora-Abu Dob alkali-feldspar granite	[Columbite-(Fe)-Columbite-(Mn) Series, Euxenite-(Y)] Abdalla (2006)
ⓘ Khour Abalea	[Columbite-(Fe)-Columbite-(Mn) Series] Abd El Rahman et al. (2022)
ⓘ Nikeiba	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series] Abdel Gawad et al. (2025)
Northeastern Desert ⓘ Dara-Um Swassi	[Euxenite-(Y)] Shalaby et al. (2002)
ⓘ Nuweibi Complex	[Columbite-(Fe)-Columbite-(Mn) Series, Columbite-(Mn)] Helba et al. (1997) +1 other reference
ⓘ Sul Hamed	[Columbite-(Fe)-Columbite-(Mn) Series] Abed et al. (2022)
ⓘ Um Ara area	[Columbite-(Fe)-Columbite-(Mn) Series] Abd El-Naby (2009) +1 other reference
ⓘ Um Naggat	[Columbite-(Fe)-Columbite-(Mn) Series] Gaafar et al. (2022) +1 other reference
ⓘ Um Safi	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series] Mahdy et al. (2025)
ⓘ Um Samra-Um Bakra shear zone	[Columbite-(Fe)-Columbite-(Mn) Series] Ismail (2017)
ⓘ Um Solimate	[Columbite-(Fe)] Ali et al. (2021)
Wadi Abu Rasheid ⓘ Bore Hole #5	[Columbite-(Fe)-Columbite-(Mn) Series] Shalan (2021)
ⓘ Emerald mines	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series] Raslan et al. (2011)
ⓘ Leucogranite	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series] Elsagheer et al. (2026)
ⓘ Wadi Belih	[Columbite-(Fe)-Columbite-(Mn) Series] Mouhareb (2017)
ⓘ Wadi El-Tuleia	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series] Shahin et al. (2025)
Wadi Nugrus ⓘ Emerald mines	[Columbite-(Fe)-Columbite-(Mn) Series] von Knorring et al. (1981) +1 other reference
Wadi Sikait ⓘ Emerald mines	[Columbite-(Fe)-Columbite-(Mn) Series] Ali et al. (2020) +2 other references

Equatorial Guinea
Rio Muni Wele-Nzas Province ⓘ Aconibe Prospect	[Columbite-(Fe)-Columbite-(Mn) Series] Global Investment and Business Center
ⓘ Bibabijop river	[Columbite-(Fe)] Pavel M. Kartashov (n.d.)

Eswatini
Hhohho Region ⓘ Mbabane	[Euxenite-(Y)] Mineralogical Magazine 1899 12 : 96-101
Lubombo Region Sinceni Mountain Sinceni pegmatite field ⓘ Sinceni West area	[Columbite-(Fe)-Columbite-(Mn) Series] Trumbull (1995)
ⓘ Zishineni	[Columbite-(Mn)] Grew et al. (2018)

Ethiopia
Benishangul-Gumuz Region Asosa Zone ⓘ Tumet river	[Euxenite-(Y)] Pavel M. Kartashov (n.d.)
Oromia Region Kenticha pegmatite field ⓘ Dermidama dyke	[Columbite-(Fe)-Columbite-(Mn) Series] Küster (2009)
ⓘ Kenticha mine	[Columbite-(Fe), Columbite-(Mn)] Küster et al. (2009)
ⓘ Kilkele I dyke	[Columbite-(Fe)-Columbite-(Mn) Series] Küster (2009)
Southern Nations Nationalities and Peoples' Region ⓘ Konso	[Columbite-(Fe)] Kaiser (2006)

Europe
ⓘ Albera Massif	[Columbite-(Fe)-Columbite-(Mn) Series] Keller et al. (1997)
Ore Mountains ⓘ Zinnwald-Cínovec mining region	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series] Jahn (2002)

Finland
Central Ostrobothnia ⓘ Kaustinen	[Columbite-(Fe)] Huber et al. (2023)
ⓘ Leviäkangas	[Columbite-(Fe)-Columbite-(Mn) Series] Lynch et al. (2025)
ⓘ Matoneva	[Columbite-(Fe)-Columbite-(Mn) Series] Lynch et al. (2025)
ⓘ Outovesi	[Columbite-(Fe)-Columbite-(Mn) Series] Lynch et al. (2025)
ⓘ Päiväneva	[Columbite-(Fe)-Columbite-(Mn) Series] Lynch et al. (2025)
ⓘ Rapasaaret	[Columbite-(Fe)-Columbite-(Mn) Series] Lynch et al. (2025)
ⓘ Syväjärv	[Columbite-(Fe)-Columbite-(Mn) Series] Lynch et al. (2025)
ⓘ Tuoreetsaaret	[Columbite-(Fe)-Columbite-(Mn) Series] Lynch et al. (2025)
Kokkola ⓘ Länttä	[Columbite-(Fe)-Columbite-(Mn) Series] Lynch et al. (2025)
Kainuu Kajaani ⓘ Honkamäki	[Columbite-(Fe)] Marmo et al. (1966)
ⓘ Katajakangas deposit	[Columbite-(Fe)-Columbite-(Mn) Series] Al-Ani et al. (2018)
ⓘ Otanmäki granite	[Columbite-(Fe)-Columbite-(Mn) Series] Marmo et al. (1966)
ⓘ Otanmäki Mine	[Columbite-(Fe)-Columbite-(Mn) Series] Thair Al-Ani! and Olli Sarapää (2013)
Kanta-Häme Forssa ⓘ Häiviäntien pegmatite	[Columbite-(Fe), Columbite-(Mn)] Ilkka Mikkola collection
ⓘ Kiimassuo pegmatite	[Columbite-(Fe), Columbite-(Mn)] Ilkka Mikkola data
Tammela ⓘ Heponiitynmäki	[Columbite-(Fe)-Columbite-(Mn) Series] Nordenskiöld (1863)
ⓘ Hirvikallio	[Columbite-(Fe)] Pavel M. Kartashov analytical data of ...
ⓘ Kietyönmäki	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series] Alviola (1993) +1 other reference
ⓘ Laurinmäki	[Columbite-(Fe)-Columbite-(Mn) Series] Nordenskiöld (1863)
ⓘ Sukula Pegmatites	[Columbite-(Fe)-Columbite-(Mn) Series] Wilke (1976)
Kulmala ⓘ Quartz prospect	[Columbite-(Fe)-Columbite-(Mn) Series] Nordenskiöld (1863)
Kymenlaakso Iitti ⓘ Sääksjärvi	[Columbite-(Fe)-Columbite-(Mn) Series] Lukkari (2002.Petrography and geochemistry of the topaz-bearing gran- ite stocks in Artjärvi and Sääskjärvi,western margin of the Wiborg rapakivi granite batholith. Bulletin of the Geological Society of Finland 74, Parts 1–2, 115–132.)
ⓘ Sääskjärvi intrusive	[Columbite-(Fe)-Columbite-(Mn) Series] Lukkari (2007)
Kotka ⓘ Murskelouhos pegmatite	[Columbite-(Fe)] Ilkka Mikkola collection +1 other reference
ⓘ Topaz quarry	[Columbite-(Fe), Columbite-(Mn), Euxenite-(Y)] Lahti Seppo I. 2011. Kotkan ...
Pyhtää ⓘ Skitunäs	[Columbite-(Fe)-Columbite-(Mn) Series] Nygård (1999)
Virolahti ⓘ Lypsyniemi	[Columbite-(Fe)] Jyrki Autio Collection. EDS
Lapland Enontekiö ⓘ Miessijoki River	[Columbite-(Fe)-Columbite-(Mn) Series] Kojonen et al. (2007) +1 other reference
ⓘ Rapeli-Kangas claim	[Columbite-(Fe)] Tuisku (2010)
ⓘ Palkiskuru	[Euxenite-(Y)] Jyrki Autio specimen. Pavel M. Kartasho ...
ⓘ Palovaara	[Columbite-(Fe)-Columbite-(Mn) Series] Al-Ani et al. (2011)
Pello ⓘ Laajamaa pegmatite	[Euxenite-(Y)] Jyrki Autio Collection. Pavel M. ...
Sodankylä ⓘ Mäkärä	[Columbite-(Fe)-Columbite-(Mn) Series, Euxenite-(Y)] Thair Al-Ani! and Olli Sarapää (2013)
North Karelia Tohmajärvi ⓘ Oriselkä pegmatite	[Columbite-(Mn)] Teertstra et al. (1993)
North Ostrobothnia Kuusamo ⓘ Uuniniemi	[Columbite-(Fe), Euxenite-(Y)] Thair Al-Ani! and Olli Sarapää (2013) +2 other references
Pudasjärvi ⓘ Kortejärvi Carbonatite	[Columbite-(Fe)-Columbite-(Mn) Series] Al-Ani et al. (2011) +2 other references
Pyhäntä ⓘ Lamujärvi area	[Columbite-(Fe), Euxenite-(Y)] Al Ani Thair and Torppa Akseli 2011. ...
North Savo Siilinjärvi ⓘ Siilinjärvi Carbonatite Intrusion	[Columbite-(Fe)-Columbite-(Mn) Series] Puustinnen +14 other references
Ostrobothnia ⓘ Dragbacken	[Columbite-(Fe)-Columbite-(Mn) Series] Lynch et al. (2025)
Pirkanmaa Orivesi Eräjärvi area ⓘ Eräpyhä pegmatite	[Columbite-(Fe), Columbite-(Mn)] Lahti (2000)
ⓘ Hannula pegmatite	[Columbite-(Fe), Columbite-(Mn)] Lahti (2000)
ⓘ Juurakko pegmatite	[Columbite-(Fe), Columbite-(Mn)] Lahti (2000)
ⓘ Keskimetsä pegmatite	[Columbite-(Fe), Columbite-(Mn)] Lahti (2000)
ⓘ Niemelä pegmatite	[Columbite-(Fe), Columbite-(Mn)] Lahti (2000)
ⓘ Seppälänranta pegmatite	[Columbite-(Fe), Columbite-(Mn)] Lahti (2000)
ⓘ Viitaniemi pegmatite	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series, Columbite-(Mn)] Lahti (2000)
Satakunta ⓘ Eurajoki	[Columbite-(Fe)] Haapala Ilmari 1977 Petrography and ...
ⓘ Rapakivi granite occurrence	[Columbite-(Fe)] Al-Ani
South Karelia Luumäki Kännätsalo ⓘ Karelia Beryl Mine pegmatite	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series, Euxenite-(Y)] Bergverksmuseets Skrift 33 +1 other reference
South Ostrobothnia Alavus ⓘ Hunnakko	[Columbite-(Fe)-Columbite-(Mn) Series] Haapala (1966)
Kuortane ⓘ Kaatiala pegmatite	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series] Nieminen +1 other reference
ⓘ Seinäjoki	[Columbite-(Fe)-Columbite-(Mn) Series]
ⓘ Hallilanvuori pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] Fredrikson (1985)
ⓘ Pajuluoma	[Columbite-(Fe)-Columbite-(Mn) Series] Alviola
Peräseinäjoki ⓘ Haapaluoma pegmatite	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series, Columbite-(Mn)] Hytönen (1999)
ⓘ Puolivälinkalliot pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] Lynch et al. (2025)
ⓘ Routakallio Quarry (Satamo Quarry)	[Columbite-(Fe)] Ilkka Mikkola collection
ⓘ Tarikko	[Columbite-(Fe)-Columbite-(Mn) Series] Alviola (1987)
ⓘ Tarinkorpi	[Columbite-(Fe)-Columbite-(Mn) Series] Lynch et al. (2025)
Southwest Finland Kimitoön (Kemiönsaari) Kimitoön Island ⓘ Rosendal pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] Laitakari (1967)
Pargas Iniö ⓘ Fjälskär (Fjalskar)	[Columbite-(Fe)-Columbite-(Mn) Series] Lahti et al. (1988)
Salo Suomusjärvi ⓘ Salittu	[Columbite-(Fe)] Niskanen (2014)
Somero ⓘ Luolamäki	[Columbite-(Fe)-Columbite-(Mn) Series] Wilke (1976)
ⓘ Penikoja (Kaitasuo)	[Columbite-(Fe)-Columbite-(Mn) Series] Wilke (1976)
ⓘ Rajamäki	[Columbite-(Fe)-Columbite-(Mn) Series] Wilke (1976)
Uusimaa Mäntsälä ⓘ Kapuli	[Columbite-(Fe)] Semiquantitative analysis by Reijo Alviola in 2011 (Jyrki Autio samples)
Myrskylä ⓘ Kankkila pegmatite	[Columbite-(Fe)] Ilkka Mikkola collection

Finland/Russia
Wyborg batholith ⓘ Kymi intrusion	[Columbite-(Fe)-Columbite-(Mn) Series] Haapala et al. (2005)
ⓘ W-Sn-Be occurrence	[Columbite-(Fe)-Columbite-(Mn) Series] Lukkari (2007)

France
Auvergne-Rhône-Alpes Allier Vichy ⓘ Échassières	[Columbite-(Fe)-Columbite-(Mn) Series] Wang (1991)
ⓘ Beauvoir quarry	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series, Columbite-(Mn)] G. Aubert : "Les coupoles granitiques de Montebras et d'Echassières (Massif Central Français) +1 other reference
Saint-Clément ⓘ Malatray	[Columbite-(Fe)] P.G. Pélisson (pelisson@inist.fr)
Bourgogne-Franche-Comté Saône-et-Loire Autun ⓘ Arroux stream alluvial deposits	[Columbite-(Mn)]
Charolles Gilly-sur-Loire ⓘ Chavence quarry	[Columbite-(Fe)-Columbite-(Mn) Series] Mourey Y. (1985)
Brittany Finistère Quimper ⓘ Tréguennec	[Columbite-(Fe)-Columbite-(Mn) Series] Chauris et al. (1985)
French Guiana Arrondissement of Saint-Laurent-du-Maroni Apatou ⓘ Haute Sparaouine river	[Euxenite-(Y)] Bull. Soc. Franç. Minéralo. ...
Nouvelle-Aquitaine Creuse Aubusson Soumans Montebras ⓘ Montebras Mines	[Columbite-(Fe)-Columbite-(Mn) Series, Columbite-(Mn)] Marcoux et al. (2021)
Guéret Crozant ⓘ Crozant quarry	[Columbite-(Fe)] M. Arliguie collection
Sainte-Feyre ⓘ Etang de la Gasne alluvial deposits	[Columbite-(Fe)-Columbite-(Mn) Series] Galy J. (2005)
Haute-Vienne Bellac Bessines-sur-Gartempe ⓘ Avent quarry	[Columbite-(Fe)-Columbite-(Mn) Series] perso.wanadoo.fr (2004)
Compreignac ⓘ Chabanne quarry	[Columbite-(Mn)] Dr. Eugene Foord
Razès ⓘ Chanteloube	[Columbite-(Fe)] Bariand et al. (n.d.) +1 other reference
Vilatte Quarries (La Vilate) ⓘ Vilatte-Basse Quarry (Les Eaux Vertes Quarry)	[Columbite-(Fe)-Columbite-(Mn) Series] Boisson (1988)
ⓘ Vilatte-Haute Quarry (Alluaud Quarry)	[Columbite-(Fe)-Columbite-(Mn) Series] Boisson (1988)
Limoges Ambazac ⓘ Chedeville quarry	[Columbite-(Fe), Columbite-(Mn)]
ⓘ Le Vieux	[Columbite-(Fe)-Columbite-(Mn) Series] perso.wanadoo.fr (2005)
Saint-Léonard-de-Noblat ⓘ Puy-les-Vignes	[Columbite-(Fe)] Harlaux et al. (2015, August)
Pyrénées-Atlantiques Oloron-Sainte-Marie Aramits Ance ⓘ Col d'Etche	[Columbite-(Fe)] MONCHOUX P. et al. (2006)
ⓘ Col d'Urdach	[Columbite-(Fe)] MONCHOUX P. et al. (2006)
Occitanie Ariège Foix Le Bosc Cirque de Pénitence ⓘ Penitence 1	[Columbite-(Fe)-Columbite-(Mn) Series] Inventaire mineralogique de l'Ariege (Editions BRGM 1984)
Hautes-Pyrénées Bagnères-de-Bigorre Avezac-Prat-Lahitte ⓘ Espéchère	[Columbite-(Fe), Columbite-(Mn)] MONCHOUX P. et al. (2006)
Pyrénées-Orientales Céret Argelès-sur-Mer ⓘ Pegmatite field	[Columbite-(Fe)-Columbite-(Mn) Series] Berbain et al. (2012)
Collioure ⓘ Pegmatite field	[Columbite-(Fe)-Columbite-(Mn) Series] Berbain et al. (2012)
Pays de la Loire Vendée La Roche-sur-Yon ⓘ Les Épesses	[Columbite-(Fe), Euxenite-(Y)] B. Guerangé et al.

Germany
Baden-Württemberg Freiburg Region Breisgau-Hochschwarzwald Vogtsburg im Kaiserstuhl Schelingen ⓘ Ohrberg - Badberg area	[Columbite-(Fe)]
Waldshut Waldshut-Tiengen Detzeln ⓘ Porphyry quarry	[Columbite-(Fe)] Hanneberg et al. (2009) +1 other reference
Bavaria Lower Bavaria Freyung-Grafenau District Röhrnbach ⓘ Steinerleinbach Quarry	[Euxenite-(Y)] Habel (2003) +1 other reference
Saldenburg Matzersdorf ⓘ Krenn Quarry	[Euxenite-(Y)] Habel (2003) +1 other reference
Waldkirchen Oberfrauenwald ⓘ Eitzing Quarry	[Columbite-(Fe), Columbite-(Mn), Euxenite-(Y)] Habel (1998) +1 other reference
Regen District Arnbruck ⓘ Drexler Mine (Draxler Mine; Drachselsried Mine)	[Columbite-(Fe)-Columbite-(Mn) Series] Weiß (1990)
Lindberg Pauliberg ⓘ Granite quarry	[Columbite-(Fe)-Columbite-(Mn) Series] www.mineralienatlas.de (n.d.)
Rinchnach Grub ⓘ Grub Quarries	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series] King (n.d.)
Zwiesel ⓘ Birkhöhe Quarry (Birkenhöhe Quarry)	[Columbite-(Fe)-Columbite-(Mn) Series] Weiß (1990)
Rabenstein ⓘ Hühnerkobel Mine (Hennenkobel Mine)	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series] Habel (2006)
ⓘ Savings bank construction site	[Columbite-(Fe)-Columbite-(Mn) Series] Weiß (1990)
Upper Franconia Wunsiedel im Fichtelgebirge Kirchenlamitz ⓘ Epprechtstein	[Columbite-(Fe)-Columbite-(Mn) Series] Weiß (1990)
Weißenstadt Rudolfstein ⓘ Schoberth quarry	[Columbite-(Fe)-Columbite-(Mn) Series] Weiß (1990)
Upper Palatinate Cham District Waldmünchen Althütte ⓘ Pegmatite outcrop	[Columbite-(Fe)-Columbite-(Mn) Series] Weiß (1990)
Neustadt an der Waldnaab District Kirchendemenreuth Menzlhof ⓘ Gertrud Mine	[Columbite-(Fe)-Columbite-(Mn) Series] Weiß (1990)
Püllersreuth ⓘ Maier feldspar mine	[Columbite-(Fe)-Columbite-(Mn) Series] Weiß (1990) +1 other reference
Pleystein ⓘ Kreuzberg (Rose quartz cliff)	[Columbite-(Fe)] Dill et al. (2009)
ⓘ Miesbrunn pegmatite–aplite swarm	[Columbite-(Fe)] Dill et al. (2012)
ⓘ Trutzhofmühle aplite	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series] Dill et al. (2008) +1 other reference
Waidhaus ⓘ Hagendorf	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series] Dill (2009) +1 other reference
ⓘ Hagendorf North Pegmatite	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series] Dill et al. (2013)
ⓘ Hagendorf South Pegmatite	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series] Keck (1989)
ⓘ 67 m level	[Columbite-(Fe)-Columbite-(Mn) Series]
Reinhardsrieth ⓘ Reinhardsrieth aplite	[Columbite-(Fe)] Dill et al. (2015)
ⓘ Silbergrube	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series] Dill et al. (2008)
Tirschenreuth District Erbendorf Grötschenreuth ⓘ Pegmatite outcrop near Hopfau	[Columbite-(Fe)-Columbite-(Mn) Series] https://www.mineralienatlas.de/?l=286
Plößberg ⓘ Plößberg-Wildenau pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] Weiß (1990)
ⓘ Lindner Mine	[Columbite-(Fe)-Columbite-(Mn) Series] DILL et al. (2009)
Tirschenreuth ⓘ Sägmühle (Rotes Kreuz)	[Columbite-(Fe)] Müller (1852)
Hesse Darmstadt Bergstraße Abtsteinach Mackenheim ⓘ Amphibolite quarry	[Columbite-(Fe)] SEM-EDS by Joy Desor and Gerhard Möhn
Darmstadt-Dieburg Mühltal Waschenbach ⓘ Thomas quarry	[Euxenite-(Y)] Schröder (2006)
Rhineland-Palatinate Mayen-Koblenz Mendig Mendig ⓘ In den Dellen quarries	[Columbite-(Mn), Euxenite-(Y)] Blass et al. (2006)
ⓘ Thelenberg	[Columbite-(Mn), Euxenite-(Y)] Blass et al. (2006)
Wingertsberg ⓘ Pumice quarries	[Columbite-(Mn), Euxenite-(Y)] Blass et al. (2006)
Pellenz Kruft ⓘ Krufter Ofen	[Columbite-(Mn), Euxenite-(Y)] Blass et al. (2006)
Vordereifel Ettringen ⓘ Caspar quarry	[Columbite-(Fe)] Blaß et al. (2004)
Vulkaneifel Kelberg Drees ⓘ Niveligsberg ?	[Columbite-(Mn)] Ko Jansen
Saxony Bautzen District Cunewalde Schönberg ⓘ Hölle quarry ?	[Euxenite-(Y)] Witzke et al. (2008)
Hochkirch Wuischke ⓘ Steinberg	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series] Witzke et al. (2008)
Erzgebirgskreis Ehrenfriedersdorf ⓘ Sauberg Mine	[Columbite-(Fe)] M. Trinkler et al. (1997)
Geyer ⓘ Geyersberg Granite Stock	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series] René (2019)
Görlitz District ⓘ Königshain	[Euxenite-(Y)] www.minmax.net
ⓘ Firstenstein (Scheffelstein)	[Euxenite-(Y)] Witzke et al. (2001)
ⓘ Jenichen Quarry (Jehnichen Quarry; Jähnichen Quarry)	[Euxenite-(Y)] Witzke et al. (2001)
ⓘ Rubel Quarry	[Columbite-(Fe), Euxenite-(Y)]
ⓘ Schwalbenberg	[Euxenite-(Y)] Witzke et al. (2001)
Reichenbach/O.L. Dittmannsdorf Biesig ⓘ Eichberg Quarry	[Euxenite-(Y)] Witzke et al. (2001)
Schöpstal Liebstein ⓘ Liebsteiner mountain (Limasberg)	[Columbite-(Mn)] Witzke et al. (2001)
Thiemendorf ⓘ A4 Highway tunnel	[Columbite-(Fe), Euxenite-(Y)] Aufschluss 49 (1998)
ⓘ Schoorstein Quarry	[Columbite-(Fe), Euxenite-(Y)] Witzke et al. (2001)
Vierkirchen Döbschütz Arnsdorf-Melaune Quarry ⓘ Krobnitz Quarry	[Columbite-(Mn), Euxenite-(Y)] Witzke et al. (2001)
ⓘ Neuland Quarry	[Columbite-(Fe), Columbite-(Mn), Euxenite-(Y)] Witzke et al. (2001)
Mittelsachsen Claußnitz Diethensdorf ⓘ Diethensdorf Quarry	[Columbite-(Fe)] AmMin 88:986-995
Nordsachsen Mühlberg ⓘ Kieswerk Liebersee quarry	[Columbite-(Fe)-Columbite-(Mn) Series] Junge et al. (2023)
Sächsische Schweiz-Osterzgebirge Altenberg ⓘ Tin mine	[Columbite-(Fe)-Columbite-(Mn) Series] Jahn (1999) +1 other reference
Thuringia Hildburghausen District Heldburg ⓘ Heldburger Gangschar Volcanic Province	[Columbite-(Fe)-Columbite-(Mn) Series] Lippolt (1982) +3 other references
ⓘ Heldburg Phonolite Plug	[Columbite-(Fe)-Columbite-(Mn) Series] Lippolt (1982) +3 other references

Ghana
Central Region Effutu Municipal District ⓘ Winneba	[Columbite-(Fe)-Columbite-(Mn) Series] von Knorring et al. (1981)

Greenland
Kujalleq Igaliku Complex Motzfeldt Centre ⓘ MSC Altered Syenite	[Columbite-(Fe)-Columbite-(Mn) Series] Rooks et al. (2026)
Northeast Greenland National Park ⓘ Kap Simpson Complex	[Columbite-(Fe)-Columbite-(Mn) Series, Euxenite-(Y)] - (n.d.) +1 other reference
Sermersooq Arsuk Fjord ⓘ Ivigtut stock	[Columbite-(Fe)-Columbite-(Mn) Series] Breiter et al. (2024)
ⓘ Ivigtut Mine	[Columbite-(Fe)] Blomstrand (1866)
ⓘ Ikka-Grønnedal Complex (Ika-Grønnedal)	[Columbite-(Fe)-Columbite-(Mn) Series] Aðalsteinsdóttir et al. (2025)

Guyana
Barima-Waini Region ⓘ Kaituma	[Euxenite-(Y)] USGS Bulletin 2062

Hungary
Borsod-Abaúj-Zemplén County Miskolc District ⓘ Bükkszentkereszt	[Columbite-(Fe)-Columbite-(Mn) Series] Zajzon N et al. (20014)
ⓘ Bagoly Hill	[Columbite-(Fe)] collector: Péter Gál
Miskolc ⓘ Lillafüred	[Columbite-(Fe), Euxenite-(Y)] Balassa et al. (2026)

India
ⓘ Bihar Mica Belt	[Columbite-(Fe)-Columbite-(Mn) Series] Sarkar (1996)
Chhattisgarh Dantewada District ⓘ Kawadgaon-Challanpara pegmatite field	[Columbite-(Fe), Euxenite-(Y)] Singh et al. (2017)
Jharkhand Hazaribagh District Hazaribagh ⓘ Rola	[Columbite-(Fe)-Columbite-(Mn) Series] Rao (1972)
Karnataka Mandya District ⓘ Marlagalla-Allapatna	[Columbite-(Fe), Columbite-(Mn)] Sarbajna et al. (2000)
Odisha Jharsuguda District ⓘ Bhurpidungri	[Columbite-(Mn)] Jagadeesan et al. (2005)
Rajasthan Udaipur Division Udaipur District ⓘ Newania carbonatite-fenite complex	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series] Singh et al. (2023)
Tamil Nadu Tiruppur District ⓘ Sivamalai intrusion	[Columbite-(Fe)-Columbite-(Mn) Series] Bose (1971) +4 other references
Uttar Pradesh Mirzapur Division Sonbhadra District ⓘ Jaurahi pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] URAM 2014 IAEA p52 +1 other reference
West Bengal Purulia District ⓘ Nawahatu	[Euxenite-(Y)] Baidya et al. (2) +1 other reference

Indian Plate
ⓘ Bastar Craton	[Columbite-(Fe)-Columbite-(Mn) Series] Singh et al. (1991)

Iran
Razavi Khorasan Province ⓘ Mashhad County	[Columbite-(Fe)-Columbite-(Mn) Series] Khalili (1977)

Iraq
Sulaymaniyah Governorate Mawat ophiolite complex ⓘ Kuradawe granitic pegmatite	[Columbite-(Fe), Columbite-(Fe) var: Scandium-bearing Columbite-(Fe)] Mohammad et al. (2016) +1 other reference

Ireland
Leinster Carlow County ⓘ Aclare	[Columbite-(Fe)-Columbite-(Mn) Series] Barros et al. (2022)
ⓘ Leinster Batholith	[Columbite-(Fe)-Columbite-(Mn) Series] Barros et al. (2022)
ⓘ Leinster pegmatite Belt	[Columbite-(Fe)-Columbite-(Mn) Series] Paasche et al. (2026)
Wicklow County Shillelagh ⓘ Moylisha	[Columbite-(Fe)-Columbite-(Mn) Series] Steiger et al. (1974)
ⓘ Stranakelly	[Columbite-(Fe)-Columbite-(Mn) Series] Luecke (1981)

Italy
Lombardy Brescia Province Cevo Upper Val Saviore Monte Foppa (north slope) Forcel Rosso Gully (Forcel Rosso Pass) ⓘ Pegmatite occurrences	[Columbite-(Mn)] Pezzotta +1 other reference
Lecco Province Colico ⓘ Piona Peninsula	[Columbite-(Fe)-Columbite-(Mn) Series, Columbite-(Mn)] VIGNOLA et al. (2007)
ⓘ Malpensata pegmatitic dyke (Olgiasca-Malpensata; Croce Quarry; Secondi dyke)	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series] Banti et al. (2011)
Dorio ⓘ Sommafiume pegmatitic dyke (Alpe Sommafiume; Marategno Mine)	[Columbite-(Fe)-Columbite-(Mn) Series] Del Caldo et al. (1973) +1 other reference
Sondrio Province Bodengo Valley ⓘ Garzelli Valley	[Columbite-(Fe)-Columbite-(Mn) Series] Bedognè et al. (1995)
ⓘ Soè Valley	[Columbite-(Mn)] Guastoni et al. (2007)
Chiavenna ⓘ Tanno Pegmatitic Field	[Columbite-(Fe), Columbite-(Mn)] Bedognè F. et al. (1995) +1 other reference
Chiesa in Valmalenco ⓘ Sissone Valley	[Columbite-(Fe), Columbite-(Mn), Euxenite-(Y)] Marchesini et al. (2025) +1 other reference
Novate Mezzola ⓘ Codera Valley	[Columbite-(Fe), Columbite-(Mn)] - (n.d.) +1 other reference
ⓘ Alpiga Valley	[Columbite-(Fe)] Ghizzoni et al. (2005)
ⓘ Averta Valley (Northern Glacial Cirque)	[Euxenite-(Y)] Ghizzoni et al. (2005)
ⓘ Averta Valley (Southern Glacial Cirque)	[Euxenite-(Y)] Ghizzoni et al. (2005)
ⓘ Canina Valley	[Columbite-(Fe), Euxenite-(Y)] Ghizzoni et al. (2005)
ⓘ Grosina Valley	[Columbite-(Fe)] Ghizzoni et al. (2005)
ⓘ Orco Valley	[Columbite-(Fe)] Ghizzoni et al. (2005)
ⓘ Punta Trubinasca	[Columbite-(Fe), Columbite-(Mn), Euxenite-(Y)] Ghizzoni et al. (2005)
ⓘ Spassato Valley (Arnasca Valley)	[Euxenite-(Y)] Ghizzoni et al. (2005)
Prata Camportaccio ⓘ Schiesone Valley	[Columbite-(Mn)] Bedognè F. et al. (1995)
ⓘ Val Masino	[Columbite-(Fe)] Bedognè F. et al. (1995)
Villa di Chiavenna ⓘ Alpe Rossaccio (Rossaccio)	[Columbite-(Fe)] Bedogné et al. (1995)
Varese Province ⓘ Cuasso al Monte	[Euxenite-(Y)] Guastoni A.
Cavagnano ⓘ Laghetto Quarry	[Euxenite-(Y)] Guastoni et al. (2004)
ⓘ Puricelli Quarry	[Euxenite-(Y)] Fabio Brignoli collection 2008
Piedmont Cuneo Province Bagnolo Piemonte ⓘ Montoso Quarries	[Euxenite-(Y)] Ciriotti et al. (2021)
ⓘ Bricco Volti - Monte Ortieul quarrying area	[Euxenite-(Y)] Ciriotti et al. (2021)
Metropolitan City of Turin ⓘ Locana	[Euxenite-(Y)] Piccoli et al. (2007)
ⓘ Luserna Stone Quarries ?	[Euxenite-(Y)] Finello et al. (2007)
Verbano-Cusio-Ossola Province Baceno Devero Alp ⓘ Pizzo Cornera-Passo di Cornera area (Gischihorn-Chriegalppass area)	[Euxenite-(Y)] Cuchet et al. (2017)
Baveno Oltrefiume Mount Camoscio ⓘ Locatelli quarry	[Euxenite-(Y)] Grill (1935)
ⓘ Seula mine	[Euxenite-(Y)] Domenico Preite specimen
Beura-Cardezza ⓘ Beura quarries ?	[Euxenite-(Y)] Preite et al. (1997)
Craveggia ⓘ Eglio	[Euxenite-(Y)] Piccoli et al. (2007)
Rio Vasca ⓘ Piano del Lavonchio (Piano dei Lavonchi)	[Columbite-(Fe)-Columbite-(Mn) Series, Euxenite-(Y)] Daniele Ravagnani - I giacimenti ...
Druogno Orcesco ⓘ Alpe Rosso	[Columbite-(Mn), Euxenite-(Y)] Piccoli et al. (2007)
Montescheno ⓘ I Mondei (Ca' Mondei)	[Columbite-(Fe)-Columbite-(Mn) Series] Rivista Mineralogica Italiana (1)
Omegna Brughiere ⓘ Rio Inferno quarry	[Euxenite-(Y)] //doi.org/10.57635/MICRO.2025.23.20
Stresa ⓘ Mount Zughero quarry	[Euxenite-(Y)] Sergio Varvello collection
Toceno ⓘ Val di Crana	[Euxenite-(Y)] M. Boscardin
ⓘ Val di Crana pegmatites	[Euxenite-(Y)] Rivista Mineralogica Italiana (1)
ⓘ Bosco pegmatite	[Euxenite-(Y)] Guastoni et al. (2019)
Trontano Cosasca ⓘ Grignaschi Quarry	[Euxenite-(Y)] Piccoli et al. (2007)
Pizzo Marcio ⓘ Pizzo Marcio North dyke	[Columbite-(Mn)] Piccoli et al. (2007) +4 other references
ⓘ Pizzo Marcio South dyke	[Columbite-(Mn)] Callegari et al. (2002) +2 other references
ⓘ Rio Graia	[Columbite-(Fe)-Columbite-(Mn) Series, Euxenite-(Y)] Vittorio Mattioli (1976)
Varzo Veglia Alp (Alpe Veglia) ⓘ Al Piudel inferior REE-mineralization	[Euxenite-(Y)] Cuchet et al. (2016) +1 other reference
ⓘ Bianco lake REE-mineralization	[Euxenite-(Y)] Cuchet et al. (2016) +1 other reference
ⓘ Cima delle Piodelle REE-mineralization	[Euxenite-(Y)] Cuchet et al. (2016) +2 other references
ⓘ Conca di Boccareccio REE-mineralization	[Euxenite-(Y)] Cuchet et al. (2016) +1 other reference
Sardinia Metropolitan City of Cagliari Sarroch ⓘ Punta de Su Seinargiu (Su Seinargiu; Su Senargiu)	[Columbite-(Fe)] Fernando Caboni et al. (2023)
Trentino-Alto Adige/Südtirol South Tyrol Wipptal (Alta Vall'Isarco) Pfitsch (Val di Vizze) Sankt Jakob (San Giacomo) Vizze Pass (Pfitsch Pass; Pfitscher Joch) ⓘ Arzwände	[Euxenite-(Y)] Folie et al. (2010)
ⓘ Grawandkofel (Croda Alta)	[Euxenite-(Y)] Folie K. Rocchetti I. (1999)
Trento Province Predazzo ⓘ Al Fol quarry (Sacac quarry)	[Columbite-(Fe)] Vecchi et al. (2013)
Tuscany Livorno Province Campo nell'Elba ⓘ San Piero in Campo	[Columbite-(Mn), Euxenite-(Y)] Orlandi et al.
ⓘ Fonte del Prete	[Columbite-(Fe), Columbite-(Mn), Euxenite-(Y)] P. Orlandi et al. (1990)
ⓘ Grotta d'Oggi	[Columbite-(Mn), Euxenite-(Y)] Marco Bonifazi collection
ⓘ La Speranza (Pisani's Quarry)	[Columbite-(Mn), Euxenite-(Y)] Barsotti et al. (2006)
ⓘ Rosina vein (Rosina pegmatite)	[Columbite-(Mn), Euxenite-(Y)] Pezzotta et al. (1996) +1 other reference

Ivory Coast
Sassandra-Marahoué Haut-Sassandra Issia department Sézo ⓘ Pegmatite No. 10	[Columbite-(Fe)-Columbite-(Mn) Series] Assaoulé Benjamin Allou (2005)
ⓘ Pegmatite No. 2	[Columbite-(Fe)-Columbite-(Mn) Series] Assaoulé Benjamin Allou (2005)
ⓘ Pegmatite No. 3	[Columbite-(Fe)-Columbite-(Mn) Series] Assaoulé Benjamin Allou (2005)

Japan
Fukuoka Prefecture Fukuoka City ⓘ Nagatare (Nagatareyama; Nagatare mine)	[Columbite-(Mn)] Takahiro Tsuji and Teiichi Ueno (2009)
Itoshima City ⓘ Kofuji	[Columbite-(Fe)-Columbite-(Mn) Series] - (n.d.)
ⓘ Mitoko pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] - (n.d.)
ⓘ Nokita	[Columbite-(Fe)-Columbite-(Mn) Series] - (n.d.)
Tagawa District Kawasaki ⓘ Kotohge	[Columbite-(Fe)-Columbite-(Mn) Series] - (n.d.)
Fukushima Prefecture ⓘ Ishikawa District	[Columbite-(Fe)-Columbite-(Mn) Series, Euxenite-(Y)] Introduction to Japanese Minerals (Geological Survey of Japan, 1970)
Ishikawa town (Ishikawa-machi) ⓘ Idogami	[Columbite-(Fe)-Columbite-(Mn) Series] Sadanaga et al. (1974)
ⓘ Kuroe mine	[Columbite-(Fe)] Akira Kato (2011)
ⓘ Nekonaki	[Euxenite-(Y)] Keiichi Omori +3 other references
ⓘ Izutsuyama pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series, Euxenite-(Y)] Keiichi Omori +3 other references
ⓘ Kozoyama pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] Koji Koseki & Hanzo Gohara (1956)
ⓘ Shionodaira (Shionohira)	[Columbite-(Fe)-Columbite-(Mn) Series] Petrov (n.d.)
ⓘ Shiozawa	[Columbite-(Fe)] Petrov (n.d.)
Wagu ⓘ Kannonyama pegmatite (Kannonyama mine)	[Columbite-(Fe)] - (2002)
Koriyama City ⓘ Atagoyama	[Columbite-(Fe)] Matsubara et al. (2013)
Sukagawa City ⓘ Mt Uzumine (Utsumine)	[Euxenite-(Y)]
ⓘ Uzumine mine (Udumine mine; Uzumine pegmatite)	[Columbite-(Fe), Euxenite-(Y)] 石原舜三 (1988) +1 other reference
ⓘ Mujinamori	[Columbite-(Fe)] Matsubara et al. (2006)
Gifu Prefecture Nakatsugawa City Hirukawa ⓘ Tawara (Tahara)	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series] Yamada (2004)
Ibaraki Prefecture Hitachiota City ⓘ Myoukenyama	[Columbite-(Mn)]
ⓘ Yudaira	[Columbite-(Fe)] Yamada (2004)
Kasumigaura City Chiyoda-machi ⓘ Yukiiri	[Columbite-(Fe)] Yamada (2004)
Makabe District Makabe-machi ⓘ Yamanoo	[Columbite-(Fe)-Columbite-(Mn) Series] Sadanaga et al. (1974)
Iwate Prefecture Tono City ⓘ Nakataki	[Euxenite-(Y)] Petrov (n.d.)
Kochi Prefecture Tosashimizu City ⓘ Cape Ashizuri (Ashizurimisaki)	[Columbite-(Fe)] Nakashima et al. (1998)
Kyoto Prefecture Kyōtango City Kobe ⓘ Shiraishi-yama (Shiroishi)	[Euxenite-(Y)] Takubo et al. (1950) +2 other references
Nagano Prefecture Kiso District Nagiso ⓘ Tadachi	[Columbite-(Fe)] Yamada (2004)
Saga Prefecture Saga City ⓘ Sugiyama	[Columbite-(Fe)] Uehara et al. (2014)
Shiga Prefecture Nagahama City ⓘ Mount Tagami	[Columbite-(Fe)-Columbite-(Mn) Series] Shirose (2021)
Otsu City ⓘ Tanakami-yama (Tanokami-yama)	[Euxenite-(Y)] Nakatsugawa Mineral Museum (Gifu Prefecture, Japan)

Kazakhstan
Abai Region Tarbagatai Range Akzhaylyautas Mts (Akzhailyautas Mts; Akjaylautas Mts; Akzhalautas Mts) ⓘ Verkhnee Espe Massif (Verkhnee Espe deposit)	[Columbite-(Fe), Columbite-(Mn), Euxenite-(Y)] Stepanov et al. (2012)
Zharma District ⓘ Kandygatai Intrusion	[Columbite-(Fe)-Columbite-(Mn) Series]
ⓘ Kvartsevoye Pegmatite Deposit	[Columbite-(Fe)-Columbite-(Mn) Series] Oitseva et al. (2025)
Aktobe Region Khromtau District ⓘ Borsuksai intrusion	[Columbite-(Fe)-Columbite-(Mn) Series] Kogarko et al. (1995)
East Kazakhstan Region Kurshim District ⓘ Karasu	[Columbite-(Fe)-Columbite-(Mn) Series] Shen et al. (2025)
Samar District ⓘ Belogorskoe Ta-Be deposit	[Columbite-(Fe)] Pavel M. Kartashov (n.d.)
Tarbagatai Range ⓘ Akzhaylyautas Mountains (Akzhailyautas Mountains; Akjaylautas Mountains; Akzhalautas Mountains)	[Euxenite-(Y)] Pavel M. Kartashov (n.d.)
Ulan District ⓘ Asubulak ore field	[Columbite-(Fe)-Columbite-(Mn) Series] Oitseva et al. (2017)
Ungur ⓘ Bodorazdelnoe pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] Oitseva et al. (2017)
ⓘ Dzhilke pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] Oitseva et al. (2017)
ⓘ Taldy Sai pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] Oitseva et al. (2017)
ⓘ Verkne-Lobaksai pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] Oitseva et al. (2017)
ⓘ Bayash Deposit	[Columbite-(Fe)-Columbite-(Mn) Series] Zimanovskaya et al. (2022)
ⓘ Ognevka Ta deposit	[Columbite-(Fe)]
ⓘ Verkhne-Baimurzinskoye deposit	[Columbite-(Fe)-Columbite-(Mn) Series] I.Mataibayevaa et al. (2014)
Karaganda Region Karkaraly ⓘ Kent Massif	[Columbite-(Fe)-Columbite-(Mn) Series] Evseev (1995)
North Kazakhstan Region Aiyrtau District ⓘ Syrymbet	[Columbite-(Fe)-Columbite-(Mn) Series] Issayeva et al. (2022)
ⓘ Syrymbet ore field	[Columbite-(Fe)-Columbite-(Mn) Series] Kurmangazhina et al. (2026)
ⓘ Shok-Karagay REE deposit	[Columbite-(Fe)-Columbite-(Mn) Series] Togizov et al. (2023)
Pavlodar Region May District ⓘ Tleumnetskii Intrusion	[Columbite-(Fe)-Columbite-(Mn) Series]

Kenya
Laikipia County ⓘ Tura dukas	[Euxenite-(Y)] Horne et al. (1965)

Kyrgyzstan
Chuy Region Kemin District Aq-Tyuz ore Field ⓘ Kutessay-II REE deposit	[Columbite-(Fe)-Columbite-(Mn) Series] Djenchuraeva et al. (2008) +1 other reference

Laos
Bokeo Province Houayxay District ⓘ Ban Huay Xai sapphire mines (Ban Huai Sai; Ban Houei Sai) ?	[Euxenite-(Y)] Sutherland et al. (2002) +1 other reference

Madagascar
Alaotra-Mangoro Ambatondrazaka District Ambatosoratra Commune ⓘ Maromby pegmatite (Andreba)	[Columbite-(Fe)-Columbite-(Mn) Series] Lacroix (1922)
Amoron'i Mania Ambatofinandrahana District Mandrosonoro ⓘ Marivolanitra pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] Behier (1963)
ⓘ Soamoly	[Euxenite-(Y)] Behier (1963)
Ambositra District Sahatsiho Ambohimanjaka Manandona Valley ⓘ Antandrokomby pegmatite	[Columbite-(Mn)] Ranorosoa (1986)
ⓘ Unnamed pegmatite 150 m NW of Antandrokomby	[Columbite-(Mn)] Knut Edvard Larsen collection # M-590
Analamanga Anjozorobe District ⓘ Ambatomanoina Commune	[Euxenite-(Y)] Michel Arliguie collection & photo (photo id 901824 )
Beronono Commune ⓘ Befanamo pegmatite	[Columbite-(Fe), Euxenite-(Y)] Guigues (1955)
ⓘ Ankazobe District	[Euxenite-(Y)] Collection of Rudy Bolona +3 other references
Ambolotarakely ⓘ Ampanobe pegmatite	[Euxenite-(Y)] Besaire (1966)
ⓘ Maharidaza pegmatite	[Euxenite-(Y)] Behier (1963)
ⓘ Miakanjovato pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series, Euxenite-(Y)] Pezzotta (1999)
ⓘ Tsarasaotra pegmatite (Tsaratsaotra pegmatite)	[Euxenite-(Y)] Behier (1963)
Andranomiady ⓘ Miarinkofeno pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series, Euxenite-(Y)] Behier (1960)
Tsaramasoandro ⓘ Ankazotsifantatra pegmatite	[Euxenite-(Y)] Behier (1963)
ⓘ Antsatrana pegmatite	[Euxenite-(Y)] Behier (1963)
ⓘ Bevony	[Euxenite-(Y)] Behier (1963)
ⓘ Marijao pegmatite	[Columbite-(Fe), Euxenite-(Y)] Behier (1960)
ⓘ Tsinamo pegmatite	[Euxenite-(Y)] Behier (1963)
Androy Ambovombe-Androy Antanimora Sud Commune Amboabavo ⓘ Unnamed beryl locality	[Euxenite-(Y)] Knut Edvard Larsen collection # MM-1200
Atsinanana Brickaville District Lohariandava ⓘ Mboro pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] Giraud (1956)
ⓘ Besakoa (Besekoa)	[Euxenite-(Y)] Dick Bideaux collection (labelled "fergusonite")
Betsiboka Maevatanana District Kelimaizina ⓘ Unnamed Pegmatite	[Euxenite-(Y)] Behier (1960)
Tsaratanàna District ⓘ Andrianady	[Euxenite-(Y)] Arliguie M collection (old sample)
Bekapaika Commune ⓘ Ambatoharanana Ambany pegmatite	[Euxenite-(Y)] Giraud et al. (1957)
ⓘ Ambatoharanana Ambony pegmatite (South)	[Columbite-(Fe)-Columbite-(Mn) Series, Euxenite-(Y)] Giraud +1 other reference
ⓘ Ambatomainty pegmatites	[Columbite-(Fe)-Columbite-(Mn) Series] Besaire (1966)
ⓘ Ambohibola pegmatites	[Columbite-(Fe)-Columbite-(Mn) Series] Behier (1960)
ⓘ Ampangabe-Ambohibola pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] Besaire (1966)
ⓘ Analila pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series, Euxenite-(Y)] Giraud et al. (1957)
ⓘ Antsakoa I pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series, Euxenite-(Y)] Besaire (1966)
ⓘ Antsakoa II pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series, Euxenite-(Y)] Giraud +1 other reference
ⓘ Befilaho II	[Columbite-(Fe)-Columbite-(Mn) Series] Giraud +1 other reference
ⓘ Befilao I	[Columbite-(Fe)-Columbite-(Mn) Series, Euxenite-(Y)] Giraud +1 other reference
ⓘ Bemanary pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] Besaire (1966)
ⓘ Berere Pegmatite Field	[Columbite-(Fe)-Columbite-(Mn) Series, Euxenite-(Y)] Arliguie Michel collection and photo (Photo ID: 882168)
ⓘ Imangoaka I	[Columbite-(Fe)-Columbite-(Mn) Series, Euxenite-(Y)] Giraud +1 other reference
ⓘ Imangoaka II	[Columbite-(Fe)-Columbite-(Mn) Series, Euxenite-(Y)] Giraud +1 other reference
Manakana Commune ⓘ Manakana pegmatite	[Euxenite-(Y)] Behier (1963)
ⓘ Vohambohitra pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series, Euxenite-(Y)] Michel Arliguie collection & photo (photo id 897616)
Tsaratanana Commune ⓘ Soarano pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] Besaire (1966)
Itasy Soavinandriana District Ambatoasana Afovoany ⓘ Ambatoasana	[Euxenite-(Y)] Behier (1963)
Amparaky ⓘ Befaritra	[Euxenite-(Y)] Bourret (1988)
ⓘ Fiadanana pegmatite	[Euxenite-(Y)] Behier (1963)
ⓘ Pilina Lake Area	[Euxenite-(Y)] Behier (1963)
Ankisabe ⓘ Ambodivoandelaka	[Columbite-(Fe)-Columbite-(Mn) Series, Euxenite-(Y)] Guigues (1955)
Mahavelona ⓘ Ambatofotsy pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series, Euxenite-(Y)] Knut Edvard Larsen
Masindray ⓘ Masindray pegmatite	[Euxenite-(Y)] Bourret (1988)
ⓘ Ranomafana	[Euxenite-(Y)] Bourret (1988)
Tamponala ⓘ Samaha pegmatite	[Euxenite-(Y)] Behier (1963)
Mahajanga Province (Majunga) ⓘ Upper Betsiboka River Valley	[Euxenite-(Y)] Rob Lavinsky photo (Ex- N. Boubee collection & label)
Matsiatra Ambony Ikalamavony District Fitampito ⓘ Malakialina F3 Pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] Baker et al. (1962)
ⓘ Malakialina pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series, Euxenite-(Y)] Behier (1955) +1 other reference
ⓘ Ikalamavony Commune	[Columbite-(Fe)-Columbite-(Mn) Series] Michel Arliguie collection & photo (photo id 901825)
ⓘ Bevoandrano pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] Arliguie M. Photo
ⓘ Mahaseza pegmatites	[Columbite-(Fe)-Columbite-(Mn) Series] Heurtebize (1963)
ⓘ Sahatany Pegmatite Field (Mt Ibity area)	[Columbite-(Fe)] Ranorosoa (1986)
Sofia ⓘ Bas Maevarano Pegmatite Field	[Euxenite-(Y)] Giraud (1957)
Mampikony District ⓘ Betanimena pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] Besaire (1966)
Vakinankaratra Antsirabe I District ⓘ Ampataka	[Euxenite-(Y)] Behier (1963)
Antsirabe II District Ibity Sahatany Valley ⓘ Ambatomalaza (Vohimasina)	[Euxenite-(Y)] Lacroix (1922) +1 other reference
ⓘ Ankarinarivo pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] Ranorosoa (1986)
ⓘ Estatoby (Antanetinilapa)	[Columbite-(Fe)] Knut Edvard Larsen collection et al. (XRD)
ⓘ Ilapa	[Columbite-(Fe)] Ranorosoa (1986)
ⓘ Manjaka (Sahananana)	[Columbite-(Mn)] Lacroix (1922) +2 other references
Marirana ⓘ Marirana Pegmatites (Andasy)	[Columbite-(Mn)] Ranorosoa (1986)
ⓘ Samizaza	[Columbite-(Mn)] Knut Edvard Larsen collection (# MM 1312)
ⓘ Tsarafara Nord (Ambalaroy)	[Columbite-(Mn)] Ranorosoa (1986)
ⓘ Tsarafara Sud (Ankadilava)	[Columbite-(Fe)-Columbite-(Mn) Series] Ranorosoa (1986)
ⓘ Vohidahy	[Columbite-(Mn)] Ranorosoa (1986)
Mangarano ⓘ Ambalamafana	[Euxenite-(Y)] Knut Edvard Larsen collection # MM-2196
ⓘ Ambatonapetraka pegmatites	[Columbite-(Mn)] Ranorosoa (1986)
ⓘ Antsofimbato pegmatites	[Columbite-(Fe)] Ranorosoa (1986)
Sahanivotry Manandona ⓘ Ialamitana Pegmatites	[Columbite-(Fe)] Pavel M. Kartashov analytical data 2021
ⓘ Tsilaizina pegmatite	[Columbite-(Mn), Euxenite-(Y)] Ranorosoa (1986)
ⓘ Betafo District	[Euxenite-(Y)] RRUFF specimen R060856
Ambohimanambola ⓘ Anjanabonoina pegmatites	[Columbite-(Fe)-Columbite-(Mn) Series] Wilson (1989)
ⓘ Ambohimasina	[Euxenite-(Y)] Behier (1963)
ⓘ Lohavalala pegmatite	[Columbite-(Fe)] Harvard University
ⓘ Sahamandrevo pegmatite	[Euxenite-(Y)] Ungemach (1916) +1 other reference
Andrembesoa Tetezantsio-Andoabatokely Pegmatite Field ⓘ Ampanodiana North pegmatite	[Columbite-(Mn)] Pezzotta (2007)
ⓘ Ampasogona pegmatite	[Columbite-(Mn)] Pezzotta (2007)
ⓘ Tetezantsio pegmatites	[Columbite-(Mn)] Pavel M. Kartashov data and photo
Anosiarivo Manapa Antsentsindrano ⓘ Antsongombato gem mine	[Columbite-(Mn)] Demartin et al. (2001)
ⓘ Beronono	[Euxenite-(Y)] Pezzotta (1999)
Betafo ⓘ Ambolotara	[Euxenite-(Y)] Lacroix (1922)
ⓘ Fefena pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series, Euxenite-(Y)] Nivomalala (2003)
Inanantona (Inanantonana) ⓘ Inanatonana pegmatite	[Euxenite-(Y)] Behier (1963)
ⓘ Mahaiza	[Columbite-(Fe)-Columbite-(Mn) Series] Wolfgang Hampel photo & specimen
ⓘ Tsaramanga pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series, Columbite-(Mn), Euxenite-(Y)] Behier (1963)
Tritriva ⓘ Samiresy	[Columbite-(Fe), Euxenite-(Y)] Ranorosoa (1986)
Faratsiho ⓘ Ingalana pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] Lacroix (1922)
Miandrarivo ⓘ Ampangabé pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series, Euxenite-(Y)] February 1977 +3 other references
ⓘ Antanifotsy pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] Alsac (1963)
Vinaninony Atsimo ⓘ Ambatovohangy pegmatite	[Euxenite-(Y)] Lacroix (1922)
ⓘ Tsindranolahy pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] Alsace (1963)
Mandoto Anjoma Ramartina Ankarongana ⓘ Amparikaolo pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] Lacroix (1922)
Betsohana ⓘ Ambatofotsikely pegmatite	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series, Euxenite-(Y)] Ibrahim Jameel photo
ⓘ Fidirana	[Euxenite-(Y)] Behier (1963)
ⓘ Ambohibe	[Euxenite-(Y)] Ungemach (1916)
ⓘ Vorondolo pegmatite field	[Columbite-(Fe)-Columbite-(Mn) Series] Pezzotta (2001)

Malawi
Northern Region Mzimba ⓘ Majiyasawa pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] Salima (2014)
ⓘ Mbuliwiza pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] Salima (2014)
ⓘ Mtende pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] Salima (2014)
Southern Region Balaka ⓘ Kangankunde Carbonatite Complex	[Columbite-(Fe)-Columbite-(Mn) Series] Wall et al. (1996)
Zomba ⓘ Mount Malosa	[Euxenite-(Y)] Johnson et al. (1999)
ⓘ Nchisi Island (Chilwa Island; Shirwa Island)	[Columbite-(Fe)-Columbite-(Mn) Series] Garson et al. (1958) +6 other references

Malaysia
Perak Kinta District Ipoh Gopeng ⓘ Tekka Hill	[Columbite-(Fe)-Columbite-(Mn) Series] Teh (1981)

Mali
Sikasso Region Bougouni Cercle ⓘ Goulamina pegmatites	[Columbite-(Fe)-Columbite-(Mn) Series] Traore et al. (2025)

Mexico
Chihuahua Aquiles Serdán Municipality Santa Eulalia Mining District East Camp ⓘ San Antonio Mine	[Columbite-(Fe)] Panczner (1987)
Oaxaca la San Francisco Telixtlahuaca Municipality San Francisco Telixtlahuaca ⓘ Santa Ana Mine	[Columbite-(Fe)] Panczner (1987)
San Francisco Telixtlahuaca Municipality San Francisco Telixtlahuaca ⓘ Muerto Mine	[Columbite-(Fe)-Columbite-(Mn) Series, Euxenite-(Y)] Prol-Ledesma et al. (2012)

Mongolia
Dornogovi Province Dalanjargalan District ⓘ Khukh Del Uul pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] Dostal et al. (2022)
ⓘ Unchzhul massif	[Columbite-(Fe), Euxenite-(Y)] Pavel M. Kartashov (n.d.)
Khovd Province Myangad District ⓘ Khaldzan Buragtag massif	[Columbite-(Fe)] Pavel M. Kartashov (n.d.)
ⓘ Khalzan Buregte Zr–Nb–REE deposit (Khalzan Buregtei deposit)	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series] Park et al. (2021)
ⓘ Tsakhirin Khuduk Y-Zr-Nb deposit	[Columbite-(Fe)] Pavel M. Kartashov (n.d.) +1 other reference
Töv Province Lün District ⓘ Avdar pluton	[Columbite-(Fe)-Columbite-(Mn) Series] Dostal et al. (2022) +1 other reference
Nailakh Soum Janchivlan ⓘ Janchivlan complex	[Columbite-(Fe)-Columbite-(Mn) Series] Dostal et al. (2022)
Uvs Province Malchin District ⓘ Ulaan Tolgoi deposit	[Columbite-(Fe)-Columbite-(Mn) Series] Dostal et al. (2023)
Zavkhan District ⓘ Shar Tolgoi	[Columbite-(Fe)] Pavel M. Kartashov (n.d.) +1 other reference
ⓘ Ulaan Del deposit	[Columbite-(Fe)-Columbite-(Mn) Series] Dostal et al. (2022)

Morocco
Marrakesh-Safi Region Rehamna Province Sidi Bou Othmane Cercle Jebilet Mountain (Djebilet Mountain) ⓘ Sidi Bou Othmane	[Columbite-(Fe)-Columbite-(Mn) Series] Fontan (1978)
ⓘ El Rhaba pegmatite	[Columbite-(Fe)] Favreau (2012)
ⓘ Mrirat pegmatite	[Columbite-(Fe), Columbite-(Mn)] Favreau (2012)

Mozambique
Nampula Province ⓘ Ribaué District	[Columbite-(Fe)-Columbite-(Mn) Series] von Knorring et al. (1981)
ⓘ Boa Esperança Mine	[Euxenite-(Y)] Wilson et al. (2000)
Niassa Province Chimbonila District ⓘ Meponda occurrence	[Columbite-(Fe)-Columbite-(Mn) Series] Lulin et al. (1985) +2 other references
Mavago District ⓘ Luicuisse Occurrence	[Columbite-(Fe)-Columbite-(Mn) Series] Cílek (1989)
Zambezia Province ⓘ Alto Ligonha Pegmatite Field	[Columbite-(Fe), Euxenite-(Y)] Wilson et al. (2000)
Alto Mólocuè District ⓘ Ehiale-Namovela-Massive-Horta group	[Euxenite-(Y)] Wilson et al. (2000)
ⓘ Guilherme-Comua-Muetia Group	[Euxenite-(Y)] Wilson et al. (2000)
ⓘ Namacotche LCT pegmatites	[Columbite-(Fe)-Columbite-(Mn) Series] Gomes et al. (2022)
Gilé District Muiane-Naipa group ⓘ Naipa mine	[Columbite-(Fe)-Columbite-(Mn) Series, Columbite-(Mn)] Wilson et al. (2000)
ⓘ Namivu Pegmatite (Namivo Pegmatite)	[Columbite-(Mn)] Neiva et al. (2005) +1 other reference
Ile District ⓘ Ile Mine	[Euxenite-(Y)] Wilson et al. (2000)
ⓘ Marixe	[Columbite-(Fe)-Columbite-(Mn) Series] António Manuel Ináçio Martins.
Mocuba District Mocuba ⓘ Ígaro pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series, Euxenite-(Y)] Moiana (2010)
ⓘ Melatube pegmatite	[Columbite-(Fe)] Moiana (2010)
ⓘ Vila Maior pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] Moiana (2010)
Mulevala District ⓘ Morrua Mine	[Columbite-(Fe), Columbite-(Mn)] Wilson et al. (2000)

Myanmar
Mandalay Region Pyin-Oo-Lwin District Mogok Township Kyauk-Pyat-That Thurein-taung ⓘ Myan Gyi mine (Myaing-Gyi mine)	[Columbite-(Mn)] Pavel M. Kartashov analytical data (2011)
Shan State Kyaukme District Momeik Township Molo quarter Khetchel village (Cache village; Khat Che village) ⓘ Palelni mine ("Kat Chay mine")	[Columbite-(Mn)] Pavel M. Kartashov analytical data (2010)
ⓘ Phenakite Mine	[Columbite-(Mn)] Mineralogical Magazine +1 other reference
Taunggyi District Nyaungshwe Township ⓘ Myinmati W-Sn-polymetallic deposit	[Columbite-(Fe)] Hong Wang et al. (2013)

Namibia
Erongo Region Arandis Constituency Cape Cross area Strathmore pegmatites ⓘ Molopo Mine (Petalite Pegmatite)	[Columbite-(Fe)-Columbite-(Mn) Series] Keller (1991)
ⓘ Pegmatite SP14	[Columbite-(Fe)-Columbite-(Mn) Series] Keller (1991) +1 other reference
ⓘ Pegmatite SP48	[Columbite-(Fe)-Columbite-(Mn) Series] Keller (1991)
Rössing Mountains area ⓘ Roselis Mine	[Euxenite-(Y)] von Bezing (2007)
ⓘ Rössing uranium mine	[Euxenite-(Y)] Rio Tinto Group
Dâures Constituency Brandberg Area Karlowa Pegmatite Swarm ⓘ Engelbrecht's tourmaline pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] Keller (1991)
ⓘ No. KWP 2-13	[Columbite-(Fe)-Columbite-(Mn) Series] Keller (1991)
ⓘ Sandamap North Farm 115	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series] von Bezing (2007)
ⓘ Petalite pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] Keller (1991)
ⓘ Sandamap pegmatite	[Columbite-(Fe)] in the collection of F.J.Emmerich
Spitzkoppe area ⓘ Klein Spitzkoppe	[Columbite-(Fe)-Columbite-(Mn) Series, Euxenite-(Y)] Cairncross (2005)
ⓘ ~~Stiepelmann Mine~~	[Euxenite-(Y)] Bezing et al. (2007)
Uis Uis Pegmatites ⓘ Karlowa Pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] Ashworth (2014)
Karibib Constituency Abbabis Farm 70 ⓘ No. 1 pegmatite	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series] Förch (1998)
ⓘ No. 3 pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] Keller (1991)
Daheim Farm 106 ⓘ Pegmatite No. 1	[Columbite-(Fe)-Columbite-(Mn) Series] Keller (1991)
Davib Ost Farm 61 ⓘ Ariakas No. 2 pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] Keller (1991)
ⓘ Ariakas pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] Keller (1991)
ⓘ Carsie pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] Cairncross et al. (2006)
Kaliombo Farm 119 ⓘ Brockmans pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] Keller (1991)
Karlsbrunn Farm 42 ⓘ Karlsbrunn pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] Keller (1991)
ⓘ Neuschwaben Farm 73 (Neu Schwaben)	[Columbite-(Fe)] von Bezing (2007)
Okatjimukuju Farm 55 (Friedrichsfelde Farm) ⓘ Clementine I pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] Keller (1991)
ⓘ Clementine II pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] Keller et al. (1989) +1 other reference
ⓘ Fricke's pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] Keller (1991)
ⓘ Pegmatite No. 10	[Columbite-(Fe)-Columbite-(Mn) Series] Keller (1991)
Okongava Ost Farm 72 ⓘ Helikon I Pit	[Columbite-(Fe)-Columbite-(Mn) Series] Keller (1991)
ⓘ Helikon II pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series, Columbite-(Mn)] Keller (1991)
ⓘ Henckert's pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] Keller (1991)
ⓘ Jooste's pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] Keller (1991)
ⓘ Rubikon Mine	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series, Columbite-(Mn)] Bezing et al. (2007) +1 other reference
Tsaobismund Farm 85 ⓘ Brockmann's pegmatite	[Columbite-(Fe)] Keller (1991) +1 other reference
ⓘ Tsaobismund pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] Fransolet +1 other reference
ⓘ Usakos	[Columbite-(Fe)-Columbite-(Mn) Series] Betts (n.d.)
Kunene Region Khorixas ⓘ Lofdal-Bergville REE deposit	[Columbite-(Fe)] Bodeving (2015)
ǁKaras Region Karasburg East Tantalite Valley ⓘ Homestead pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] Baldwin (1994)
ⓘ T pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] Baldwin (1994)
ⓘ White City pegmatites	[Columbite-(Fe)-Columbite-(Mn) Series] Baldwin (1994)
ⓘ Witkop pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] Baldwin (1994)

Nepal
P1 Koshi Pradesh Taplejung District Phaktanglung Ikhabu Pegmatite Field ⓘ Yamrang Pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] Bhandari et al. (2022)

New Zealand
West Coast Region Buller District Reefton ⓘ Victoria Range	[Columbite-(Fe)-Columbite-(Mn) Series] Railton et al. (1990)
Grey District Greymouth ⓘ Barrytown	[Columbite-(Fe)-Columbite-(Mn) Series] Wells +1 other reference

Niger
Agadez Tchirozerine ⓘ Elméki	[Columbite-(Fe)-Columbite-(Mn) Series, Euxenite-(Y)] Niamey: Ministère des Mines et de ... +1 other reference
ⓘ Taghouaji Complex	[Columbite-(Fe)-Columbite-(Mn) Series] consequences. Bulletin de la Société géologique de France (6) +4 other references
ⓘ Tarraouadji Massif	[Columbite-(Fe)] J. Fabriès and G. Rocci (1965)
Tillabéri Antigoura ⓘ Sirba River gold alluvials	[Columbite-(Fe)-Columbite-(Mn) Series, Euxenite-(Y)] Machens (1964)
Téra ⓘ Dibilo	[Columbite-(Fe)-Columbite-(Mn) Series] 64 pages. +1 other reference

Nigeria
ⓘ Bauchi	[Columbite-(Fe)] Melcher et al. (2015)
Ningi Kalato ⓘ Tibchi complex	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series] Sakoma et al. (2002)
Kano Doguwa ⓘ Ririwai Mines	[Columbite-(Fe)-Columbite-(Mn) Series] Imeokparia (1983) +2 other references
Katsina Zango ⓘ Daura Complex	[Columbite-(Fe)-Columbite-(Mn) Series] a link between the Younger Granite districts of Nigeria and S Niger. Journal of the Geological Society (1) +2 other references
Kogi Adavi ⓘ Okene-Lokoja-Kabba roads junction pegmatite	[Columbite-(Fe)] Rotimi et al. (2012)
Yagba West ⓘ Ferronigerite-2N1S occurrence	[Columbite-(Fe)-Columbite-(Mn) Series] Jacobson et al. (1947)
Kwara ⓘ Okere	[Columbite-(Fe)-Columbite-(Mn) Series] von Knorring et al. (1981)
Nasarawa ⓘ Afu Ring Complex	[Columbite-(Fe)-Columbite-(Mn) Series] 44-61 Earth Sciences Research Journal +4 other references
ⓘ Keffi	[Columbite-(Fe)-Columbite-(Mn) Series] Cao et al. (2024)
Plateau Bokkos ⓘ Ropp Ring Complex	[Columbite-(Fe)-Columbite-(Mn) Series] Yunusa et al. (2024)
ⓘ Jos Plateau	[Columbite-(Fe)-Columbite-(Mn) Series] Am Min 51:299-323
Bukuru ⓘ Padok	[Columbite-(Fe)-Columbite-(Mn) Series] Journal of Minerals & Materials ...
ⓘ Kuza	[Columbite-(Fe)-Columbite-(Mn) Series]
Younger ring complex ⓘ Jos-Bukuru	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series] Woolley (2001)

North Korea
Kangwon Province Chorwon County Kalmal-myon Chipo-ri Yonghwa-dong ⓘ Kumsok Mine	[Columbite-(Fe)-Columbite-(Mn) Series] Kinosaki (1943)
Kuntal-li ⓘ Tallok Mine (Tanryoku Mine)	[Columbite-(Fe)-Columbite-(Mn) Series] Kinosaki (1943)
Pyonggang County ⓘ Abdong Zr-Nb deposit (Aptong; Apdong)	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series] Pavel M. Kartashov (n.d.)
South Hamgyong Province Munchon-gun Pungha-myon ⓘ Munchon Mine	[Columbite-(Fe)-Columbite-(Mn) Series] pp 158-168 +1 other reference

Norway
Agder ⓘ Arendal	[Columbite-(Fe)] Balassone et al. (2015)
Austre Moland Landbø ⓘ Landbø Mine	[Euxenite-(Y)] Myers (1936)
Stokken Helle ⓘ Hella 1 Feldspar Quarry	[Euxenite-(Y)] Andersen (1931)
ⓘ Mørefjær Feldspar Quarry (Mörefjer)	[Euxenite-(Y)] Forbes et al. (1857) +1 other reference
Tromøy ⓘ Alve Feldspar Quarry	[Euxenite-(Y)] Forbes (1855) +1 other reference
Birkenes ⓘ Kjelevann	[Euxenite-(Y)] Butler (1958)
Vegusdal ⓘ Katterås	[Columbite-(Mn)] Bjorlykke (1937)
ⓘ Katterås 1 Feldspar Quarry	[Columbite-(Fe)-Columbite-(Mn) Series] Bjørlykke (1935)
ⓘ Katterås 2 Feldspar Quarry ?	[Euxenite-(Y)] Bjørlykke (1935)
ⓘ Katterås 3 Feldspar Quarry	[Columbite-(Fe)-Columbite-(Mn) Series] Bjørlykke (1935)
ⓘ Katterås 4 Feldspar Quarry	[Columbite-(Fe)-Columbite-(Mn) Series, Euxenite-(Y)] Frigstad (1968)
ⓘ Eptevatnet	[Columbite-(Fe)] Selbekk et al. (2008)
Evje og Hornnes Åmland ⓘ Åmland 1 Feldspar Quarry	[Euxenite-(Y)] Brøgger (1906)
Åneland ⓘ Åneland 05 Feldspar Quarry (Kattedalen)	[Euxenite-(Y)]
Ås ⓘ Ås 2 Feldspar Quarry	[Columbite-(Fe)]
ⓘ Åsland	[Euxenite-(Y)] Brøgger (1906)
ⓘ Åsland 1 Feldspar Quarry	[Euxenite-(Y)] Brøgger (1906)
Åvesland ⓘ Åvesland 04 Uranium Mine (Einerkilen 1)	[Columbite-(Fe)-Columbite-(Mn) Series] Åmli (1969)
ⓘ Galteland	[Euxenite-(Y)] Brøgger (1906)
Klepp ⓘ Klepp 1 Feldspar Quarry	[Euxenite-(Y)] Stensrud (2009)
ⓘ Landsverk	[Columbite-(Fe)] Selbekk et al. (2008)
ⓘ Bergegangen	[Euxenite-(Y)] Brøgger (1906) +1 other reference
ⓘ Landsverk 1 Feldspar Quarry (Jokeli)	[Columbite-(Fe), Euxenite-(Y)] Neumann et al. (1960) +1 other reference
Lauvland ⓘ Brattekleiv Feldspar Quarry (Lauvland 04)	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series] Harries (2020)
ⓘ Lauvland 05a Feldspar Quarry	[Euxenite-(Y)] Frigstad (1968)
ⓘ Lauvland 05b Feldspar Quarry (Storemyr 1)	[Euxenite-(Y)] Frigstad (1968)
Skavdalen ⓘ Lauvland 01 Feldspar Quarry (Skavdalen)	[Euxenite-(Y)] Pers. Commentary Hans-Jørgen Berg
ⓘ Lauvland 07 Feldspar Quarry	[Euxenite-(Y)] Stensrud (2009)
ⓘ Lauvland 08 Feldspar Quarry	[Euxenite-(Y)] Stensrud (2009)
ⓘ Li	[Euxenite-(Y)] Müller et al. (2012)
ⓘ Li 01 Feldspar Quarry (Likleiven)	[Euxenite-(Y)] Andersen (1931)
ⓘ Li 02 Feldspar Quarry (Li gruve)	[Euxenite-(Y)] Müller et al. (2012)
ⓘ Li 05 Feldspar Quarry	[Euxenite-(Y)] Stensrud (2009)
ⓘ Mykjåland Feldspar Quarry	[Euxenite-(Y)] - (n.d.)
ⓘ Undeland	[Euxenite-(Y)] Frigstad (1968)
ⓘ Undeland 02 Feldspar Quarry (Beryl quarry)	[Euxenite-(Y)] Schetelig (1922)
ⓘ Undeland 13 Feldspar Quarry	[Euxenite-(Y)] Otter (2023)
Flekkefjord ⓘ Hidra	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series, Euxenite-(Y)] Dana System of Mineralogy +2 other references
Hæstad ⓘ Igletjødn Feldspar Quarry (Igletjern)	[Euxenite-(Y)] Adamson (1942)
ⓘ Mæåsen (Medåsen)	[Euxenite-(Y)] Adamson (1942)
ⓘ Rasvåg feldspar mines	[Euxenite-(Y)] Scheerer (1844) +1 other reference
ⓘ Reseraua	[Euxenite-(Y)] Adamson (1942)
ⓘ Slådelslia	[Euxenite-(Y)] Adamson (1942)
ⓘ Urstad Feldspar Mine	[Euxenite-(Y)] Adamson (1942)
ⓘ Veisdal feldspar quarry	[Euxenite-(Y)] Brøgger (1906)
Froland ⓘ Gloserheia	[Euxenite-(Y)] Åmli (1975) +1 other reference
Gjerstad Brenndalsmo ⓘ Hulleknatten	[Columbite-(Fe)-Columbite-(Mn) Series] Bjørlykke (1937)
Brokelandsheia ⓘ Brokeland feldspar quarry	[Columbite-(Fe)-Columbite-(Mn) Series] Bjørlykke (1937)
ⓘ Mørkhøgda Pegmatite	[Euxenite-(Y)] Bjørlykke (1937)
Iveland Åmdal (Omdal) ⓘ Åmdal 1 Feldspar Quarry	[Euxenite-(Y)] Bjørlykke (1935)
ⓘ Åmdal 2 Feldspar Quarry	[Euxenite-(Y)] Bjørlykke (1935)
Æretveit ⓘ Æretveit 1 Feldspar Quarry	[Euxenite-(Y)] Barth (1931)
ⓘ Æretveit 2 Feldspar Prospect ?	[Euxenite-(Y)] Bjørlykke (1935)
ⓘ Æretveit 3 Feldspar Quarry	[Euxenite-(Y)] Bjørlykke (1935)
ⓘ Birkeland	[Columbite-(Fe)-Columbite-(Mn) Series] Knut Edvard Larsen photo
ⓘ Birkeland 02 Feldspar Quarry	[Euxenite-(Y)] Frigstad (1968)
Birketveit ⓘ Birketveit 1 Feldspar Quarry	[Euxenite-(Y)] Bjørlykke (1935)
ⓘ Birketveit 5 Feldspar Quarry ?	[Euxenite-(Y)] Bjørlykke (1935)
ⓘ Birketveit 6 Feldspar Quarry (Spelarhaugen)	[Euxenite-(Y)] Barth (1931)
Dalane ⓘ Dalane 2 Feldspar Quarry (Bjarne Dalane's Gruve)	[Columbite-(Fe)-Columbite-(Mn) Series] Bjorlykke (1937) +1 other reference
ⓘ Eptevatnet 01 Feldspar Quarry	[Columbite-(Fe)-Columbite-(Mn) Series, Euxenite-(Y)] Stensrud (2009)
ⓘ Eptevatnet 02 Thortveitite Quarry	[Euxenite-(Y)] Schetelig (1922)
ⓘ Eptevatnet 04 Feldspar Quarry (Hovåsen)	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series, Columbite-(Mn)] Collection of the Iveland Municipality ...
ⓘ Fossbekk Feldspar Quarry	[Columbite-(Fe)] Lund (2016)
ⓘ Frikstad	[Euxenite-(Y)] Brøgger (1906)
ⓘ Frikstad 02 Feldspar Quarry (Litjern)	[Euxenite-(Y)] Peter Andresen collection.
ⓘ Frikstad 03 Feldspar Quarry (Tuftane)	[Euxenite-(Y)] Neumann et al. (1960)
ⓘ Frikstad 07 Feldspar Quarry	[Columbite-(Fe), Euxenite-(Y)] Bjørlykke (1935) +1 other reference
ⓘ Frikstad 12 Feldspar Quarry (Høyland)	[Euxenite-(Y)] Stensrud (2009)
Frøyså ⓘ Frøyså 01 Feldspar Quarry ?	[Euxenite-(Y)] Bjørlykke (1935)
ⓘ Frøyså 03 Feldspar Quarry ?	[Euxenite-(Y)] Bjørlykke (1935)
ⓘ Frøyså 04 Feldspar Quarry ?	[Euxenite-(Y)] Bjørlykke (1935)
ⓘ Frøyså 11 Feldspar Quarry ?	[Euxenite-(Y)] Corneliussen (2012)
ⓘ Håland Feldspar Quarry (Hålandsgruva)	[Columbite-(Fe)-Columbite-(Mn) Series, Euxenite-(Y)] Hansen (2001)
ⓘ Håverstad	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series, Euxenite-(Y)] Collection of the Iveland Municipality ...
ⓘ Håverstad 01 Feldspar Quarry ?	[Euxenite-(Y)] Bjørlykke (1935)
ⓘ Håverstad 2 Feldspar Quarry ?	[Euxenite-(Y)] Bjørlykke (1935)
ⓘ Håverstad 3 Feldspar Quarry ?	[Euxenite-(Y)] Bjørlykke (1935)
ⓘ Hiltveit	[Euxenite-(Y)] IKM_060 of the collection of the ...
ⓘ Hiltveit 01 Feldspar Quarry (Grasdalen)	[Euxenite-(Y)] Bjørlykke (1935)
ⓘ Kåbuland	[Columbite-(Mn)] Selbekk et al. (2008)
ⓘ Kåbuland 01 Feldspar Quarry (Amerika) ?	[Euxenite-(Y)] Bjørlykke (1935)
ⓘ Kåbuland 03 Feldspar Quarry	[Euxenite-(Y)] Frigstad (1968)
ⓘ Landås	[Columbite-(Fe), Euxenite-(Y)] Lund (2016)
ⓘ Beinmyr Feldspar Quarries (Landås 07 Quarries)	[Euxenite-(Y)] Stensrud (2009)
ⓘ Landås 01 Feldspar Quarry	[Columbite-(Mn)] Lund (2016)
ⓘ Landås 04 Feldspar Quarry	[Euxenite-(Y)] Bjørlykke (1935)
ⓘ Landås 06 Feldspar Quarry (Landåstunnelen 2) ?	[Euxenite-(Y)] Bjørlykke (1935)
ⓘ Ljosland	[Columbite-(Fe)] Selbekk et al. (2008)
ⓘ Knipan (Knipane)	[Euxenite-(Y)] Knut Edvard Larsen collection # MM-336
ⓘ Ljosland 04 (Thortveitittgruva)	[Columbite-(Fe)-Columbite-(Mn) Series, Euxenite-(Y)] Schetelig (1922) +1 other reference
ⓘ Ljosland 09 Feldspar Quarry (Garnet Quarry) ?	[Euxenite-(Y)] Bjørlykke (1935) +1 other reference
ⓘ Ljosland 01 Feldspar Quarry	[Columbite-(Fe)-Columbite-(Mn) Series] Bjørlykke (1935)
ⓘ Ljosland 03 Feldspar Quarry	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series] Lund (2016)
ⓘ Ljosland 11 Feldspar Quarry	[Euxenite-(Y)] Bjørlykke (1935)
ⓘ Ljosland 13 Prospect ?	[Euxenite-(Y)] Bjørlykke (1935)
ⓘ Ljosland 16 Quarry (Kongsberg quarry)	[Euxenite-(Y)] Nordrum (2000)
Ljoslandsheia ⓘ Ljosland 06 Feldspar Quarry	[Columbite-(Fe)-Columbite-(Mn) Series] Bjørlykke (1935)
ⓘ Ljosland 07 Feldspar Quarry ?	[Euxenite-(Y)] Bjørlykke (1935)
ⓘ Ljosland 08 Feldspar Quarry	[Euxenite-(Y)] Bjørlykke (1935)
ⓘ Storsynken (Ljosland 10 Feldspar Quarry) ?	[Euxenite-(Y)] Breivik et al. (2010)
ⓘ Mølland	[Columbite-(Mn)] Müller et al. (2017)
ⓘ Mølland 01 feldspar quarry ?	[Euxenite-(Y)] Bjørlykke (1935)
ⓘ Mølland 02 Feldspar Quarry ?	[Euxenite-(Y)] Bjørlykke (1935)
ⓘ Mølland 04 Feldspar Quarry ?	[Euxenite-(Y)] Bjørlykke (1935)
ⓘ Mølland 05 Feldspar Quarry ?	[Euxenite-(Y)] Bjørlykke (1935)
ⓘ Mølland 06 feldspar quarry ?	[Euxenite-(Y)] Bjørlykke (1935)
ⓘ Mølland 07 feldspar quarry ?	[Euxenite-(Y)] Bjørlykke (1935)
ⓘ Mølland 15 feldspar quarry	[Euxenite-(Y)] Stensrud (2009)
ⓘ Rostadheia	[Euxenite-(Y)] Neumann et al. (1960)
ⓘ Mølland 08 Feldspar Quarry (Blomberg Tunnel Mine) ?	[Euxenite-(Y)] Bjørlykke (1935)
ⓘ Mølland 09 Feldspar Quarry	[Euxenite-(Y)] Bjørlykke (1935)
ⓘ Mølland 10 Feldspar Quarry ?	[Euxenite-(Y)] Bjørlykke (1935)
ⓘ Mølland 11 Feldspar Quarry ?	[Euxenite-(Y)] Bjørlykke (1935)
ⓘ Nateland ?	[Euxenite-(Y)] Bjørlykke (1935)
ⓘ Rossås	[Columbite-(Fe)] Selbekk et al. (2008)
ⓘ Rossås 01 Feldspar Quarry ?	[Euxenite-(Y)] Bjørlykke (1935)
Skripeland ⓘ Skripeland 2 feldspar quarry	[Euxenite-(Y)] Bjørlykke (1935)
ⓘ Solås Pegmatite	[Columbite-(Fe), Euxenite-(Y)] Nordrum (2007) +1 other reference
Støledalen ⓘ Støledalen 01 Feldspar Quarry	[Euxenite-(Y)] Bjørlykke (1935)
ⓘ Støledalen 02 Feldspar Quarry ?	[Euxenite-(Y)] Bjørlykke (1935)
ⓘ Tjomstøl	[Euxenite-(Y)] Bjørlykke (1935)
Tortveit ⓘ Tortveit 03 Feldspar Quarry	[Euxenite-(Y)] Bjørlykke (1935)
Tveit ⓘ Steli Feldspar Quarry (Tveit 03)	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series, Euxenite-(Y)] Frigstad (1999)
ⓘ Tveit 01 Feldspar Quarry	[Euxenite-(Y)] www.mindat.org (2023)
ⓘ Tveit 04 Feldspar Quarry	[Columbite-(Fe)-Columbite-(Mn) Series] Bjørlykke (1935) +1 other reference
ⓘ Tveit 05 Feldspar Quarry (Gumpen)	[Euxenite-(Y)] Bjørlykke (1935)
Lindesnes Vigeland ⓘ Rymteland Feldspar Quarry	[Columbite-(Fe)-Columbite-(Mn) Series, Euxenite-(Y)] Sverdrup (1959)
Lyngdal Austad ⓘ Eitland Feldspar Quarry	[Euxenite-(Y)] Hongslo et al. (1960)
ⓘ Eikeland	[Euxenite-(Y)] Barth (1931)
Risør ⓘ Randvik Mine	[Euxenite-(Y)] Brøgger (1906)
Søndeled ⓘ Lindstøl Feldspar Quarry	[Euxenite-(Y)]
ⓘ Ramskjær Feldspar Quarry	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series] Selbekk et al. (2008) +1 other reference
Akershus Asker Hurum ⓘ Sætre	[Euxenite-(Y)] Eldjarn (2008)
ⓘ Skatvedt	[Euxenite-(Y)] Eldjarn et al. (1982)
Hurdal ⓘ Fagerliåsen	[Columbite-(Fe), Columbite-(Mn)] Folvik (2007)
Lunner ⓘ Gjerdingselva	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series] Kvamsdal (2020)
Nesodden ⓘ Spro pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series, Euxenite-(Y)] Raade (1965)
Nittedal ⓘ Delebekken Quarry	[Euxenite-(Y)] Canadian Museum of Nature collection
Buskerud Modum ⓘ Sætersbergåsen	[Columbite-(Fe)-Columbite-(Mn) Series] Knut Eldjarn Collection
Øvre Eiker Gunhildrud ⓘ Bakstevalåsen	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series] Jahren et al. (1998)
ⓘ Roadcut RV 35 Eikerenveien	[Columbite-(Fe)-Columbite-(Mn) Series] Raade (1982)
ⓘ Rv 35	[Columbite-(Fe)-Columbite-(Mn) Series] Raade (1982)
Innlandet Lom Leirdalen ⓘ Tverrbotntind	[Columbite-(Fe)-Columbite-(Mn) Series, Euxenite-(Y)] Wilke (1976)
ⓘ Søre Illåbreen	[Columbite-(Fe)-Columbite-(Mn) Series, Euxenite-(Y)] Garmo (1974)
Sel Otta ⓘ Høgsætra Quarry	[Euxenite-(Y)] Garmo (1974)
ⓘ Tolstadåsen Quarry	[Euxenite-(Y)] Selbekk et al. (1995)
Nordland Hamarøy ⓘ Drag	[Euxenite-(Y)] Husdal (2011)
ⓘ Erlinggruva	[Columbite-(Fe)] Husdal (2008)
ⓘ Jennyhaugen	[Columbite-(Mn)] Tomas Husdal analytical data
Lapplægeret ⓘ Nedre Lapplægeret Quarry	[Euxenite-(Y)] Raade (1966)
ⓘ Nikkateltet Quarries	[Euxenite-(Y)] D. Harries collection
Finnøya ⓘ Håkonhals Quarry	[Columbite-(Fe)] Zhou et al. (2022)
Tiltvika ⓘ Tiltvika pegmatite	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series] Tomašić et al. (2004)
Meløy Holandsfjorden ⓘ Ågskardet LCT Pegmatite	[Columbite-(Mn)] Kristiansen (1972) +1 other reference
Narvik ⓘ Hundholmen	[Columbite-(Fe), Euxenite-(Y)] Vogt (1922)
ⓘ Stetind pegmatite	[Columbite-(Fe)] Husdal (2008)
Rana Høgtuva ⓘ Bordvedåga	[Euxenite-(Y)] Grauch et al. (1994)
Sørfold ⓘ Tennvatn pegmatite	[Columbite-(Fe), Columbite-(Mn)] Husdal (2008)
Østfold Fredrikstad Kråkerøy ⓘ Buskauen pegmatite	[Euxenite-(Y)] Brøgger (1906)
Halden Berg ⓘ Vestgård	[Columbite-(Fe)-Columbite-(Mn) Series] Bjørlykke (1939)
Idd Aspedammen ⓘ Herrebøkasa	[Columbite-(Fe), Columbite-(Mn)] Selbekk et al. (2008)
ⓘ Bakke Quarry	[Euxenite-(Y)] Hansen (1984)
ⓘ The monolith quarry	[Euxenite-(Y)] Neumann et al. (1976)
ⓘ Hvaler	[Euxenite-(Y)] Brøgger (1906)
Indre Østfold Askim ⓘ Massingen I ?	[Euxenite-(Y)] Broch (1934)
ⓘ Moss	[Columbite-(Fe)-Columbite-(Mn) Series, Columbite-(Mn)] Hercule Shen photo and collection
ⓘ Dillingøya (Dillingö)	[Columbite-(Fe)] Selbekk et al. (2008)
Rygge Dramstad ⓘ Feøya	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series] Selbekk et al. (2008)
ⓘ Fredskjær Mine	[Columbite-(Fe)-Columbite-(Mn) Series] Bjørlykke (1939)
ⓘ Huggeneskilen	[Columbite-(Fe)-Columbite-(Mn) Series] Brögger (1883)
ⓘ Hullingsås	[Columbite-(Fe)-Columbite-(Mn) Series] Bjørlykke (1939)
ⓘ Kure Mine	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series] Selbekk et al. (2008)
ⓘ Sameia	[Columbite-(Fe)-Columbite-(Mn) Series] Bjørlykke (1939)
Vannem ⓘ Moss Quarry (Skolt Quarry)	[Columbite-(Fe)]
ⓘ Råde	[Columbite-(Fe), Columbite-(Mn)] Balassone et al. (2015)
Aker ⓘ Lårbu	[Columbite-(Fe)-Columbite-(Mn) Series] Bjørlykke (1939)
ⓘ Berg	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series] Brøgger (1897) +1 other reference
ⓘ Elvestad	[Columbite-(Fe)-Columbite-(Mn) Series] Brögger (1883)
ⓘ Fuglevik	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series] Selbekk et al. (2008)
ⓘ Halvorsrød	[Columbite-(Fe)-Columbite-(Mn) Series] Bjørlykke (1939)
ⓘ Karlshus Mine	[Columbite-(Fe)-Columbite-(Mn) Series] Bjørlykke (1939)
ⓘ Myre	[Columbite-(Fe)-Columbite-(Mn) Series] Bjørlykke (1939)
ⓘ Oksenøen	[Columbite-(Fe)-Columbite-(Mn) Series] Bjørlykke (1939)
ⓘ Skråtorp	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series] Selbekk et al. (2008)
ⓘ Spro	[Columbite-(Fe)] Selbekk et al. (2008)
ⓘ Starengen (Stadengen)	[Columbite-(Fe)-Columbite-(Mn) Series] Bjørlykke (1939) +1 other reference
Sarpsborg Ryen ⓘ Ryen Quarry	[Columbite-(Fe)] Kristiansen (2022)
Våler ⓘ Ånnerud (Ånnerød)	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series] Selbekk et al. (2008)
ⓘ Aslaktaket Quarry	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series] Ray Schortmann
ⓘ Kjærsund	[Columbite-(Fe)-Columbite-(Mn) Series] Bjørlykke (1939)
ⓘ Ødegårdssletta	[Columbite-(Fe)-Columbite-(Mn) Series] Brøgger (1906)
ⓘ Vintergruben Quarry	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series] Müller et al. (2017)
Rogaland Eigersund Rangåtjørni ⓘ Roadcuts Kjervallveien	[Euxenite-(Y)] Andresen (1990)
Lund Ualand ⓘ Krigen Mica Quarry	[Euxenite-(Y)] Schetelig (1922)
Sokndal ⓘ Barstad ?	[Euxenite-(Y)] Andresen (1990)
ⓘ Gaudland ?	[Euxenite-(Y)] Andresen (1990)
Vindafjord Vats ⓘ Årli pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] Størseth (2003)
ⓘ Krakkanuten pegmatite	[Columbite-(Fe)] Størseth (2003)
ⓘ Thor's Mine	[Columbite-(Fe)] Selbekk et al. (2008) +1 other reference
Svalbard Spitsbergen Hornsund ⓘ Skoddefjellet Pegmatite	[Columbite-(Fe), Columbite-(Mn)] Pršek et al. (2010)
Telemark Drangedal Tørdal ⓘ Heftetjern pegmatite	[Euxenite-(Y)] Kristiansen (2009)
ⓘ Mjeltedalen pegmatite	[Euxenite-(Y)] Steffenssen (2018)
ⓘ Skarsfjell pegmatite	[Euxenite-(Y)] Larsen (1982)
Kragerø ⓘ Lindvikskollen-Kalstadgangen pegmatite	[Euxenite-(Y)] Green (1956)
ⓘ Kalstadgangen	[Euxenite-(Y)] Bjørlykke (1937) +1 other reference
ⓘ Lindvikskollen Quarry	[Euxenite-(Y)] Hamza Ilhan Sito Collection
Sjåen ⓘ Sjåen feldspar Mine	[Euxenite-(Y)] Green (1956)
ⓘ Tangen Feldspar Mine	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series, Columbite-(Mn), Euxenite-(Y)] Bjørlykke (1931)
Nissedal ⓘ Svåheii 2 pegmatite	[Euxenite-(Y)] Steffenssen (2018)
Nome ⓘ Fen Complex	[Columbite-(Fe)-Columbite-(Mn) Series] Sørum (1955) +1 other reference
ⓘ Hydro Quarry	[Columbite-(Fe)-Columbite-(Mn) Series]
ⓘ Søve Mines	[Columbite-(Fe)-Columbite-(Mn) Series] Bjørlykke et al. (1960)
ⓘ Cappelen Quarry	[Columbite-(Fe)-Columbite-(Mn) Series] Adamson (1950)
ⓘ Tufte Quarry	[Columbite-(Fe)-Columbite-(Mn) Series] Adamson (1950)
Tokke Klauvreid ⓘ Klauvreid Pegmatite Quarries	[Columbite-(Mn)] Larsen. A.O. & Åsheim (2008)
ⓘ Spafjell	[Columbite-(Fe)-Columbite-(Mn) Series, Columbite-(Mn)] Jan Andersen specimen. Analyzed by ...
Troms og Finnmark Alta ⓘ Bekkarfjordnes	[Columbite-(Fe)-Columbite-(Mn) Series] Barth (1927)
ⓘ Ørnetind	[Columbite-(Fe)-Columbite-(Mn) Series, Euxenite-(Y)]
ⓘ Seiland Island	[Columbite-(Fe)-Columbite-(Mn) Series] Barth (1927)
Tromsø Kvaløya ⓘ Middagsskarshøgda	[Euxenite-(Y)] Sverdrup et al. (1967) +1 other reference
Vestfold Larvik Commune Hedrum ⓘ Sæteråsen Niobium-deposit	[Euxenite-(Y)] Norges Geologiske Undersøkelse (NGU)
Tjølling Håkestad ⓘ Håkestad Quarry	[Columbite-(Fe)] Engvoldsen et al. (1991) +1 other reference
Vestland Luster Berdalen Hurrungane ⓘ Berdalsbandet Pegmatites	[Euxenite-(Y)] Garnmo et al. (1999) +1 other reference
Sunnfjord Jølster ⓘ Undisclosed pegmatite	[Euxenite-(Y)] Scheerer (1840)

Pakistan
Gilgit-Baltistan Astore District ⓘ Drot Valley	[Columbite-(Fe)-Columbite-(Mn) Series] - (2004)
Roundu District Haramosh Mountains ⓘ Stak Nala	[Columbite-(Fe)-Columbite-(Mn) Series, Columbite-(Mn)] Laurs et al. (1998)
ⓘ Shengus	[Columbite-(Fe), Columbite-(Mn)]
Shigar District Braldu Valley ⓘ Dassu	[Columbite-(Fe)-Columbite-(Mn) Series] Dudley Blauwet +2 other references
ⓘ Nyet	[Columbite-(Fe)-Columbite-(Mn) Series] Blauwet et al. (2004)
ⓘ Shigar Valley	[Columbite-(Fe)] AM Mizunaka
ⓘ Skardu Area	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series, Columbite-(Mn)] imported from Shigar District +2 other references

Poland
Lower Silesian Voivodeship Dzierżoniów County Gmina Dzierżoniów Owiesno Kietlice ⓘ Owiesno-Kietlice area pegmatite occurrences	[Columbite-(Fe)] Łodziński M. 2008: Chemical ... +1 other reference
Gmina Niemcza ⓘ Gilów	[Columbite-(Fe)-Columbite-(Mn) Series] Pieczka A. et al. (2004)
ⓘ Gilów pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] Pieczka A. et al. (2004)
Piława Górna ⓘ DSS Piława Górna Quarry	[Columbite-(Fe), Columbite-(Mn), Euxenite-(Y)] PIECZKA et al. 2010: Nb-Ta minerals in ...
ⓘ Julianna pegmatite	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series, Columbite-(Mn), Euxenite-(Y)] Pieczka et al. (2012) +3 other references
ⓘ Lithium pegmatite	[Columbite-(Mn)] Pieczka et al. (2012)
Jelenia Góra Cieplice Śląskie-Zdrój ⓘ Mount Sołtysia	[Columbite-(Fe)-Columbite-(Mn) Series] Lis et al. (1986)
ⓘ Kopki Hill	[Columbite-(Fe)-Columbite-(Mn) Series] Lis et al. (1986)
Karkonosze County Gmina Mysłakowice Karpniki ⓘ Karpniki #4 pegmatite	[Euxenite-(Y)] Matyszczak (2018)
Gmina Podgórzyn Staniszów ⓘ Grodna pegmatite	[Euxenite-(Y)] Matyszczak (2018)
Zachełmie ⓘ Rudzianki pegmatite	[Euxenite-(Y)] Matyszczak (2018)
ⓘ Karkonosze Granite	[Euxenite-(Y)] Kozłowski et al. (2016)
ⓘ Szklarska Poręba	[Columbite-(Fe)-Columbite-(Mn) Series] Mochnacka et al. (2000)
ⓘ Szklarska Poręba Huta granite quarry	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series] Evans et al. (2018)
ⓘ Strzelin County	[Columbite-(Fe)] Łodziński M. 2008: Chemical ...
Gmina Przeworno ⓘ Romanów	[Columbite-(Fe)] Lis et al. (1986)
Świdnica County Gmina Strzegom Żółkiewka ⓘ Andrzej I quarry	[Columbite-(Mn)] Szełęg et al. (2010)
Gmina Świdnica ⓘ Michałkowa pegmatites	[Columbite-(Fe)] Eligiusz Szełęg collection
ⓘ Góry Sowie Block	[Columbite-(Fe)] Pieczka et al. (2017)
Gmina Żarów Siedlimowice ⓘ Siedlimowice granite quarry	[Columbite-(Fe)-Columbite-(Mn) Series] Janeczek J. (1989) +1 other reference
Wrocław County Gmina Jordanów Śląski ⓘ Jordanów nephrite quarry	[Columbite-(Mn), Euxenite-(Y)] Pieczka et al. (2024)
Ząbkowice Śląskie County Gmina Ząbkowice Śląskie Szklary ⓘ Mt. Szklana Mine (Szklary pegmatite)	[Columbite-(Fe)-Columbite-(Mn) Series, Columbite-(Mn)] Pieczka (2000) +3 other references
ⓘ Szklary nickel deposit	[Columbite-(Mn)] Pieczka et al. (2001)
Zgorzelec County Bogatynia Markocice ⓘ Markocice Th prospect	[Columbite-(Fe)-Columbite-(Mn) Series] Lis et al. (1986)

Portugal
Azores São Miguel ⓘ Água de Pau Volcano	[Euxenite-(Y)] Samples collected by Luigi Chiappino ... +2 other references
ⓘ Ribeira Grande	[Euxenite-(Y)] Neil B's collection (photos copyright Pedro Alves 2024)
Beja Beja Santa Vitória e Mombeja ⓘ Ferrarias e Castelo Mine	[Columbite-(Fe)] Oliveira et al. (2025)
Braga Terras de Bouro Covide ⓘ Covide quarry	[Columbite-(Fe)] Mineralizações e Recursos de Tântalo no Norte de Portugal - Análise Paragenética" - Carlos Augusto Alves Leal Gomes (2016)
Vieira do Minho Anjos e Vilar do Chão Muro Alto Mine ⓘ Eastern pegmatite	[Columbite-(Mn)] Dias et al. (2009)
ⓘ Western pegmatite	[Columbite-(Fe)] Dias et al. (2009)
Vila Verde Cervães ⓘ Abelheiras Mine	[Columbite-(Fe)-Columbite-(Mn) Series] LNEG - Laboratório Nacional de Energia ...
Bragança Vinhais Ervedosa ⓘ Ervedosa Mine (Tuela Mine)	[Columbite-(Fe)-Columbite-(Mn) Series] Meunier et al. (2023)
Castelo Branco Belmonte Belmonte e Colmeal da Torre ⓘ Torre Romana Mine	[Columbite-(Fe)-Columbite-(Mn) Series] LNEG - Laboratório Nacional de Energia ...
Inguias ⓘ Lei Velha Mine	[Columbite-(Fe)-Columbite-(Mn) Series] LNEG - Laboratório Nacional de Energia ...
ⓘ Olas Mine	[Columbite-(Fe)-Columbite-(Mn) Series] LNEG - Laboratório Nacional de Energia ...
Maçainhas ⓘ Unnamed pegmatite quarry	[Columbite-(Fe)-Columbite-(Mn) Series] Klaus Ludwig Collection
Covilhã Barco e Coutada ⓘ Argimela Mine (Argemela Mine)	[Columbite-(Fe)-Columbite-(Mn) Series] Ribeiro et al. (2021)
Idanha-a-Nova União das Freguesias de Zebreira e Segura ⓘ Segura Mines (Segura mining field)	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series, Columbite-(Mn)] Antunes et al. (2013)
Guarda Gouveia Folgosinho ⓘ Sítio do Castelo Mine	[Columbite-(Fe)-Columbite-(Mn) Series]
Vila Franca da Serra ⓘ Roto-Bote quarry	[Columbite-(Fe)-Columbite-(Mn) Series] - (1984) +2 other references
Guarda ⓘ Gonçalo	[Columbite-(Mn)] Neiva et al. (2001) +1 other reference
ⓘ Alvarrões Mine	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series, Columbite-(Mn)] Fabre (n.d.)
Sabugal Bendada ⓘ Bendada Mines	[Columbite-(Fe)-Columbite-(Mn) Series, Columbite-(Mn)] Rui Nunes - June 2008
Porto Amarante Rebordelo ⓘ Vieiros Mines	[Columbite-(Fe)-Columbite-(Mn) Series] LNEG - Laboratório Nacional de Energia ...
Felgueiras Vila Cova da Lixa e Borba de Godim Borba de Godim ⓘ Seixoso Mining Field	[Columbite-(Fe)-Columbite-(Mn) Series] LNEG - Laboratório Nacional de Energia ...
Viana do Castelo Ponte da Barca Vila Chã (São João Baptista e Santiago) ⓘ Mata da Galinheira Mine	[Columbite-(Fe)] PROSPEG – Projecto de prospecção +1 other reference
Ponte de Lima Cabração e Moreira do Lima ⓘ Eiradas Mine	[Columbite-(Fe)-Columbite-(Mn) Series] LNEG - Laboratório Nacional de Energia ...
ⓘ Monte do Formigoso Mine	[Columbite-(Fe)-Columbite-(Mn) Series] LNEG - Laboratório Nacional de Energia ...
Estorãos ⓘ Andorinheiras Mine	[Columbite-(Fe)-Columbite-(Mn) Series] LNEG - Laboratório Nacional de Energia ...
Valença do Minho Gondomil e Safins ⓘ Eiras quarry	[Columbite-(Fe)] Nuno Afonso collection (XRD-analysed)
Viana do Castelo Montaria ⓘ Serra de Arga	[Columbite-(Fe)] Dias P et al. (2014)
Vila Real Alijó São Mamede de Ribatua ⓘ Alijó spodumene pegmatite	[Columbite-(Fe)] Garate-Olave et al. (2024)
ⓘ Barroso-Alvão pegmatite field	[Columbite-(Fe), Columbite-(Mn)] Martins et al. (2011)
Boticas Dornelas ⓘ Lousas aplite-pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] Novák et al. (2009)
Chaves Eiras， São Julião de Montenegro e Cela ⓘ Estanheira No. 3 Mine	[Columbite-(Fe)-Columbite-(Mn) Series] LNEG - Laboratório Nacional de Energia ...
ⓘ Estanheira No. 7 Mine	[Columbite-(Fe)-Columbite-(Mn) Series] LNEG - Laboratório Nacional de Energia ...
ⓘ Palheiros No. 2 Mine	[Columbite-(Fe)-Columbite-(Mn) Series] LNEG - Laboratório Nacional de Energia ...
Faiões ⓘ Estanheira No. 11 Mine	[Columbite-(Fe)-Columbite-(Mn) Series] LNEG - Laboratório Nacional de Energia ...
Montalegre Morgade ⓘ Bessa Mining Field	[Columbite-(Fe)-Columbite-(Mn) Series] LNEG - Laboratório Nacional de Energia ...
Salto ⓘ Monte da Alvorada Mine	[Columbite-(Fe)-Columbite-(Mn) Series] LNEG - Laboratório Nacional de Energia ...
Viseu Penalva do Castelo U.F Antas e Matela ⓘ Quelhas do Velho Mine	[Columbite-(Fe)-Columbite-(Mn) Series] LNEG - Laboratório Nacional de Energia ...
Sátão Ferreira de Aves Aldeia Nova ⓘ Assunção Mine	[Columbite-(Fe)-Columbite-(Mn) Series] International Geological Congress (2008)
ⓘ Carrasqueira Mine	[Columbite-(Fe)-Columbite-(Mn) Series] LNEG - Laboratório Nacional de Energia ...
ⓘ Preguiça Mine	[Columbite-(Fe)-Columbite-(Mn) Series] LNEG - Laboratório Nacional de Energia ...
Mioma ⓘ Fontainhas Mine	[Columbite-(Fe)-Columbite-(Mn) Series] LNEG - Laboratório Nacional de Energia ...
Sátão ⓘ Facho Mine	[Columbite-(Fe)-Columbite-(Mn) Series] LNEG - Laboratório Nacional de Energia ...
U.F Romãs Decermilo e Vila Longa ⓘ Companheiro No. 2 quarry	[Columbite-(Fe)-Columbite-(Mn) Series]
ⓘ Companheiro No. 3 quarry	[Columbite-(Fe)-Columbite-(Mn) Series]
Vouzela U.F Cambra e Carvalhal de Vermilhas ⓘ Vermilhas No. 1 Mine	[Columbite-(Fe)-Columbite-(Mn) Series] LNEG - Laboratório Nacional de Energia ...

Romania
Harghita County Ditrău Complex ⓘ Jolotca (Orotva)	[Columbite-(Fe), Euxenite-(Y)] Szakáll et al. (2010)
ⓘ Adit No 25	[Columbite-(Fe)-Columbite-(Mn) Series] Hirtopanu et al. (2000)
Gheorgheni ⓘ Aurora Creek	[Euxenite-(Y)] Szakáll et al. (2010)
Joseni ⓘ Belcina Creek (Belcina)	[Columbite-(Fe)] Hirtopanu et al. (2013)
Hunedoara County ⓘ Gradistea de Munte deposit	[Columbite-(Fe)-Columbite-(Mn) Series, Euxenite-(Y)] HÎRTOPANU et al. (2014)
Sibiu County Lotru-Cibin Mountains ⓘ Contu-Negovanu Pegmatite Field	[Columbite-(Fe)-Columbite-(Mn) Series] Calin et al. (2014) +2 other references

Russia
Altai Republic Kosh-Agachsky District ⓘ Alakha	[Columbite-(Fe)-Columbite-(Mn) Series] Seltmann et al. (2010)
Buryatia Baunt District Vitim Plateau ⓘ Amandak F-Be deposit	[Columbite-(Fe)-Columbite-(Mn) Series] Bulnaev (2006)
Bichursky District Mukhorshibir' settlement Zaganskii range Baits Kundui deposit ⓘ Glavnaya vein	[Columbite-(Fe)] Iovchev E.S.
Eastern Sayan ⓘ Snezhnoe Be deposit	[Columbite-(Fe)-Columbite-(Mn) Series] Seltmann et al. (2010)
Kizhinginsky District Ermakovskoe Be Deposit Zunshibir' valley ⓘ Opornyi pegmatite	[Columbite-(Fe)] Mironov A.G. and Gofman A.F (1979)
Zakamensky District ⓘ Dzhida W-Mo District	[Columbite-(Fe)-Columbite-(Mn) Series] Damdinova et al. (2019)
Chelyabinsk Oblast Argayashsky District ⓘ Pit No. 400	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series] Pekov (1998) +1 other reference
Ilmen Mountains ⓘ Ilmenogorsky alkaline complex	[Euxenite-(Y)] Makagonov et al. (2017)
ⓘ Pit No. 298	[Columbite-(Fe)] Pavel M. Kartashov (n.d.)
ⓘ Pit No. 299	[Columbite-(Fe)-Columbite-(Mn) Series] S.Kolesnichenko
ⓘ Pit No. 50 (Blyumovskaya Pit; Blum Pit)	[Columbite-(Fe), Columbite-(Mn)] Pavel M. Kartashov (n.d.) +2 other references
ⓘ Pit No. 69 (G.I. Gasberg's Topaz-Cryolite Pit)	[Columbite-(Fe)-Columbite-(Mn) Series] Bailey (1980)
ⓘ Ilmen Nature Reserve	[Columbite-(Fe)] Sorokina et al. (2016)
Kartalinsky District Zhabyk-Karagay massif Annenskoye pegmatite field ⓘ Annenskaya pit	[Columbite-(Fe)-Columbite-(Mn) Series] webmineral.ru (2021)
ⓘ Lepidolite vein	[Columbite-(Fe)-Columbite-(Mn) Series, Columbite-(Mn)] Popova et al. (2010)
Kaslinsky District ⓘ Porokhovskoe W deposit	[Columbite-(Fe)-Columbite-(Mn) Series] Rogov et al. (2023)
ⓘ Yugo-Konevo W deposit	[Columbite-(Fe)-Columbite-(Mn) Series] Rogov et al. (2023)
Kyshtym ⓘ Slyudorudnik Mine	[Euxenite-(Y)] Pavel M. Kartashov (n.d.)
Plastovsky District ⓘ Malyginsky Quarry	[Columbite-(Fe)] webmineral.ru (2021)
ⓘ Melnikovskaya pit	[Columbite-(Fe)-Columbite-(Mn) Series] webmineral.ru (n.d.)
Plast Kochkar' District ⓘ Chuksin ruby placer deposit	[Columbite-(Fe)-Columbite-(Mn) Series] Kievlenko et al. (2003)
Svetlyi ⓘ Svetlinsky pegmatite quarry	[Columbite-(Fe), Columbite-(Mn)] Pavel M. Kartashov analytical data 2009
Vishnevye Mountains ⓘ Buldym Lake	[Columbite-(Fe)-Columbite-(Mn) Series] Nedosekova (2007) +1 other reference
Kobelikha Mt. ⓘ Unnamed quarry	[Columbite-(Fe)] Nishanbaev et al. (2016)
Chukotka Autonomous Okrug Chukchi Peninsula (Chukotka Peninsula; Chukotski Peninsula) ⓘ Severny pluton	[Columbite-(Fe)-Columbite-(Mn) Series, Columbite-(Mn), Euxenite-(Y)] Alekseev (2025)
Irkutsk Oblast ⓘ Beloziminskoe	[Columbite-(Fe)-Columbite-(Mn) Series] Seltmann et al. (2010)
ⓘ Bol'shetagninskoe Massif	[Columbite-(Fe)-Columbite-(Mn) Series] Seltmann et al. (2010)
ⓘ Bol’shaya Tagna massif	[Columbite-(Fe)-Columbite-(Mn) Series, Columbite-(Mn)] Andreeva et al. (2006)
ⓘ Goltsovoe Li deposit (Gol'tsy; Goltsovskoe)	[Columbite-(Fe)-Columbite-(Mn) Series] Seltmann et al. (2010)
ⓘ Urikskoe	[Columbite-(Fe)-Columbite-(Mn) Series] Seltmann et al. (2010)
ⓘ Vishnyakovskoe Rb-Ta deposit (Elash)	[Columbite-(Fe)-Columbite-(Mn) Series] Neymark et al. (2021)
Vitim Plateau Biraya and Bya Rivers confluence area (Chara Basin) ⓘ Biraya Fe-REE ore occurrence	[Columbite-(Fe)-Columbite-(Mn) Series] Koneva A.A. et al. (2010)
ⓘ Zashikhinskoe	[Columbite-(Fe)-Columbite-(Mn) Series] Seltmann et al. (2010)
Komi Republic Kozhim River Basin Maldynyrd range (Maldy-nyrd range) ⓘ Chudnoe Pd-Au deposit	[Euxenite-(Y)] Moralev et al. (2005)
Timan Range ⓘ Chetlasskiy Kamen'	[Columbite-(Fe)-Columbite-(Mn) Series] Ras et al. (2011) +1 other reference
ⓘ Kosyu occurrence	[Columbite-(Fe)-Columbite-(Mn) Series] Nedosekova et al. (2021)
ⓘ Schugorsk bauxite deposit	[Columbite-(Fe)-Columbite-(Mn) Series] Mordberg et al. (2001)
Verkhne-Shugorskoe bauxite deposit ⓘ Borehole #10855	[Columbite-(Fe)] Udoratina et al. (2024)
Krasnoyarsk Krai Boguchansky District Chadobets alkaline complex ⓘ Chuktukon carbonatite massif	[Columbite-(Fe)] Sharygin et al. (2017, August)
Murmansk Oblast ⓘ Afrikanda complex	[Columbite-(Fe)-Columbite-(Mn) Series] Kaminsky et al. (2025)
ⓘ Eveslogchorr Mt	[Columbite-(Fe)] Ivanyuk et al. (2007)
Kola Peninsula ⓘ Kolmozero-Voronye belt	[Columbite-(Fe)] Huber et al. (2023)
Kolsky District ⓘ Shongui deposit	[Columbite-(Fe), Columbite-(Mn)] Zozulya et al. (2024)
ⓘ ~~Lovozero Massif~~	[Columbite-(Fe)] ...
Lovozersky District Karnasurt Mountain ⓘ Yubileinaya pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] D’yachkov et al. (2022)
Keivy Mountains Western Keivy Massif ⓘ Ploskaya Mountain	[Columbite-(Mn)] Voloshin A.V. et al. (1986)
ⓘ Yel’skie Lakes deposits	[Euxenite-(Y)] Kalashnikov et al. (2016)
Northern Karelia ⓘ Alakurtti pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] Pekov (1998)
Pechengsky District ⓘ Kola Superdeep Borehole (SG-3; СГ-3)	[Euxenite-(Y)] Tatyana A. Gornostaeva analytical data
Voron'i Tundry ⓘ Kolmozerskoe deposit	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series, Columbite-(Mn)] Zozulya et al. (2024)
ⓘ Okhmyl'k Mt	[Columbite-(Mn)] Zozulya et al. (2024)
ⓘ Polmos deposit	[Columbite-(Fe)] Zozulya et al. (2024)
ⓘ Vasin-Myl'k Mt	[Columbite-(Fe)-Columbite-(Mn) Series] Kovalenko (Levashova)
Primorsky Krai Khorolsky District Voznesenskii ore district ⓘ Pervomaisky deposit	[Columbite-(Fe)-Columbite-(Mn) Series] Ryazantseva (2001)
ⓘ Pogranichnoe deposit (Pogranichny deposit)	[Columbite-(Fe)-Columbite-(Mn) Series] Ryazantseva (2001)
Krasnoarmeysky District Arminsky ore district ⓘ Tigrinoe Sn-W-Mo deposit (Tigriny)	[Columbite-(Fe)-Columbite-(Mn) Series] Gonevchuk et al. (2005)
Roshchino Kedrovaya river ⓘ Nezametnoe deposit (Nezametny gold mine)	[Columbite-(Fe)] Pavel M. Kartashov (n.d.)
Republic of Karelia Ladoga Region ⓘ Nuolainiemi pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] Pekov (1998)
Loukhsky District ⓘ Elet'ozerskii massif	[Columbite-(Fe), Euxenite-(Y)] Sorokhtina et al. (2018)
Pitkyarantsky District Pitkyaranta mining district ⓘ Linnavaara	[Columbite-(Fe)] I.V.Pekov. E.A.Vlasov. E.A.Gerasimova Pitkyarantskaya mineralogical practice et al. (in Russian)
Sakha ⓘ Gornoozerskii carbonatite complex (Gornoe Ozero)	[Columbite-(Fe)-Columbite-(Mn) Series] Nokleberg
Polar Yakutia ⓘ Tomtor Massif	[Columbite-(Fe)] S.M. Kravchenko data +1 other reference
Selennyakh range Tommot river ⓘ Somnitelnyi Massif	[Columbite-(Fe)-Columbite-(Mn) Series] Trunilina et al. (2022)
Tomponsky District ⓘ Burgali Ore Field	[Columbite-(Fe)-Columbite-(Mn) Series] Trunilina et al. (2024)
Ust-Yansky District Omchikandya Ore Field ⓘ Polyarnoe Deposit	[Columbite-(Fe)-Columbite-(Mn) Series] Trunilina et al. (2024)
Verkhoyansk District Yana River Basin Yana-Adycha Region ⓘ Arga-Ynnakh-Khaya granite Massif	[Columbite-(Fe)-Columbite-(Mn) Series, Columbite-(Mn)] Alekseev et al. (2020)
ⓘ Kester harpolith	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series] Alekseev et al. (2020)
ⓘ Kester deposit	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series, Columbite-(Mn)] Alekseev et al. (2020) +1 other reference
Sverdlovsk Oblast ⓘ Adui Batholith	[Euxenite-(Y)] Pavel M. Kartashov (n.d.)
ⓘ Semininskaya mine	[Columbite-(Fe), Columbite-(Mn)] Vital'Evna (2021)
Malyshevo Izumrudnye Kopi area ⓘ Krasnoarmeiskii mine	[Columbite-(Mn)] Pavel M. Kartashov analytical data (2012)
Prigorodny District Yuzhakovo Alabashka pegmatite field ⓘ Startsevskaya mine	[Columbite-(Fe)-Columbite-(Mn) Series] Kievlenko et al. (2003)
Rezhevsky District Lipovsk pegmatite field ⓘ Lipovka Mine (Lipovskoe Mine; Lipovskaya Mine; Lipovaya Mine)	[Columbite-(Fe), Columbite-(Mn), Euxenite-(Y)] Zap. Vseross. Mineral. Obshch. (2) +2 other references
ⓘ Lipovskoye pegmatite field	[Columbite-(Fe)] Zakharov et al. (2022)
Tuva ⓘ Belaya Zima REE-Nb deposit	[Columbite-(Fe)] Doroshkevich et al. (2016)
Erzinsky District ⓘ Tastyg Spodumene deposit	[Columbite-(Fe)-Columbite-(Mn) Series] Kuznetsova (2009)
Kaa-Khemsky District ⓘ Erzin massif	[Columbite-(Fe)-Columbite-(Mn) Series] Bailey (1980)
ⓘ Ulug-Tanzek deposit	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series] Pavel M. Kartashov (n.d.)
Sangilen Upland Balygtyg-Khem River ⓘ Pichikhol' alkaline massif	[Euxenite-(Y)] Pekov (1998)
Yamalo-Nenets Autonomous Okrug Labytnangi ⓘ Tai-Keu REE-Nb occurrence	[Columbite-(Fe)-Columbite-(Mn) Series] Pekov (1998)
Zabaykalsky Krai Aginsky District ⓘ Khangilai pluton	[Columbite-(Fe)-Columbite-(Mn) Series] Breiter et al. (2024)
ⓘ Orlovka	[Columbite-(Fe)-Columbite-(Mn) Series] www.minsocam.org (n.d.) +1 other reference
Baleysky District ⓘ Etyka	[Columbite-(Mn)] Seltmann et al. (2010)
Duldurginsky District ⓘ Sakhanaiskiy granite massif	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series] Chukanov et al. (2026)
Kalarsky District ⓘ Katugin Ta-Nb deposit	[Columbite-(Fe), Euxenite-(Y)] Sklyarov et al. (2016)
Khiloksky District ⓘ Orlovskoye	[Columbite-(Fe)-Columbite-(Mn) Series] Thomas et al. (2009)
ⓘ Orlovskoye mine	[Columbite-(Fe)] Pavel M. Kartashov (n.d.)
Krasnochikoysky District Krasnyi Chikoy ⓘ Malkhan pegmatite field	[Columbite-(Mn), Euxenite-(Y)] Fialova et al. (2013)
ⓘ Danburitovaya pegmatite vein	[Columbite-(Mn), Euxenite-(Y)] Grant (2001)
ⓘ Oktyabrskaya pegmatite vein	[Columbite-(Fe)-Columbite-(Mn) Series] Peretyazhko et al. (2004)
ⓘ Sosedka pegmatite vein	[Euxenite-(Y)] Badanina et al. (2008)
Nerchinsky District Adun-Cholon Range ⓘ Sherlova Gora	[Columbite-(Fe)-Columbite-(Mn) Series] Kasatkin et al. (2014)
Olovyanninsky District ⓘ Turga Massif	[Columbite-(Fe)-Columbite-(Mn) Series] Ivanova et al. (2020)
Ononsky District Durulgui granite-pegmatite system ⓘ Chalotskoe deposit	[Columbite-(Fe)] Lykova I. S. et al. (2017)

Rwanda
Eastern Province Rwamagana District ⓘ Musha-Ntunga	[Columbite-(Fe)-Columbite-(Mn) Series] Acke et al. (2025)
Southern Province Nyanza District ⓘ Busoro	[Columbite-(Fe)-Columbite-(Mn) Series] von Knorring et al. (1981)
Western Province Ngororero District Bwira ⓘ Rubindi pegmatite (Kabilizi)	[Columbite-(Fe)-Columbite-(Mn) Series] Hatert et al. (2004)
ⓘ Gatumba pegmatite field	[Columbite-(Fe)-Columbite-(Mn) Series, Columbite-(Mn)] Pohl et al. (2013)
ⓘ Gatumba pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] Bertossa +1 other reference
Muhororo ⓘ Buranga pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] Bertossa (1968) +1 other reference
ⓘ Rongi Amblygonite Pegmatite	[Columbite-(Fe)] Melcher et al. (2015)
ⓘ Rusororo pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] Bertossa
Ndaro ⓘ Bijyojyo	[Columbite-(Fe)-Columbite-(Mn) Series] Bertossa
Rutsiro District ⓘ Lutsiro	[Columbite-(Fe)] Daltry et al. (1998)

Saudi Arabia
Ha'il Region ⓘ Silsilah Deposit	[Columbite-(Fe)-Columbite-(Mn) Series] Economic Geology (1996)
Medina Region ⓘ Unnamed pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] He et al. (2021)
Tabuk Region Midyan ⓘ Ghurayyah Ta deposit	[Columbite-(Fe)-Columbite-(Mn) Series] Küster (2009)
ⓘ Jabal Tawlah	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series, Euxenite-(Y)] Atencio et al. (2015)

Senegal
Kédougou Region Saraya ⓘ Faleme River	[Columbite-(Fe)-Columbite-(Mn) Series] Goodenough et al. (2025)

Serbia
Central Serbia Mačva District Šabac ⓘ Cer Mountain (Mt. Cer)	[Columbite-(Fe)-Columbite-(Mn) Series, Euxenite-(Y)] Huska et al. (2015)

Slovakia
Banská Bystrica Region Banská Bystrica District Brusno ⓘ Sopotnická Valley	[Columbite-(Fe), Columbite-(Mn)] Uher
Brezno District ⓘ Jasenie	[Columbite-(Fe)-Columbite-(Mn) Series] Koděra et al. (1986)
Lučenec District Čamovce ⓘ Unnamed stone quarry	[Columbite-(Fe)-Columbite-(Mn) Series] Huraiová et al. (2019)
Pinciná ⓘ Pinciná maar	[Euxenite-(Y)] M. Huraiova et al.
Rimavská Sobota District Hajnáčka Hajnáčka sapphire occurrence ⓘ Gortva	[Euxenite-(Y)] Uher P.
Bratislava Region Bratislava Bratislava I Staré Mesto Mlynská valley ⓘ Pri Habánskom mlyne street	[Columbite-(Fe)] Uher et al. (1994)
Bratislava IV Devín ⓘ Jezuitské Lesy	[Columbite-(Fe), Columbite-(Mn)] Chudík et al. (2011)
Pezinok District Limbach ⓘ Limbach Brook	[Columbite-(Fe), Columbite-(Mn)] Uher et al. (2006) +1 other reference
Pezinok Slnečné Valley ⓘ Alluvial placers	[Columbite-(Fe), Columbite-(Mn)] Uher et al. (n.d.)
Košice Region Gelnica District Nálepkovo ⓘ Surovec granite body	[Columbite-(Fe)-Columbite-(Mn) Series] Petrik et al. (2011)
Košice-okolie District ⓘ Zlatá Idka	[Columbite-(Fe)-Columbite-(Mn) Series] Pauliš et al. (2002)
Rožňava District ⓘ Betliar	[Columbite-(Fe)-Columbite-(Mn) Series] Koděra et al. (1986)
Dobšiná Dobšiná mining district ⓘ Malá Vlčia Valley pegmatite vein	[Columbite-(Mn)] Uher P. et al. (2018)
ⓘ Gemerská Poloma	[Columbite-(Fe), Columbite-(Mn), Euxenite-(Y)] Koděra et al. (1986) +1 other reference
Dlhá Valley ⓘ Greisen outcrop	[Columbite-(Fe), Columbite-(Mn)] Martin Števko-unpublished
ⓘ Elisabeth Mine	[Euxenite-(Y)] Uher P. et al. (2009)
Spišská Nová Ves District Hnilec ⓘ Medvedí potok Sn deposit	[Columbite-(Fe), Columbite-(Mn)] Koděra et al. (1986)
Trenčín Region Prievidza District Jalovec ⓘ Ráztočno pegmatite	[Columbite-(Fe), Columbite-(Mn)] Uher (2008)
Liešťany ⓘ Granitic pegmatite	[Columbite-(Fe)] Uher P. et al. (2020)
Trnava Region Piešťany District ⓘ Moravany nad Váhom	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series, Columbite-(Mn)] Uher et al. (Považský Inovec)
ⓘ Striebornica	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series, Columbite-(Mn)] Uher P.
Žilina Region Liptovský Mikuláš District Dúbrava ⓘ Dúbrava Sb deposit	[Columbite-(Fe), Columbite-(Mn)] Uher P.

South Africa
Limpopo Mopani District Municipality Ba-Phalaborwa Local Municipality Murchison Range ⓘ Gravelotte	[Columbite-(Fe)-Columbite-(Mn) Series] Cairncross et al. (1995)
Greater Giyani Local Municipality Giyani Greenstone Belt ⓘ Pala Kop	[Columbite-(Fe)-Columbite-(Mn) Series] Cairncross et al. (1995)
Waterberg District Municipality Modimolle-Mookgophong Local Municipality Mookgophong ⓘ Buffalo Fluorspar Mine	[Columbite-(Fe)] Atanasova et al. (2016)
Thabazimbi Local Municipality Thabazimbi Glenover carbonatite ⓘ Glenover phosphate mine	[Columbite-(Fe)-Columbite-(Mn) Series] USGS Open-File Report 02–156–A +1 other reference
North West Bojanala Platinum District Municipality Moses Kotane Local Municipality ⓘ Pilanesberg Alkaline Ring Complex	[Columbite-(Mn)] R. Liferovich -L. Horváth p.c. 2004
ⓘ Pilanesberg Mountain	[Columbite-(Fe)-Columbite-(Mn) Series] Cairncross et al. (1995)
Northern Cape Namakwa District Municipality Nama Khoi Local Municipality ⓘ Goodhouse-Vioolsdrift area	[Columbite-(Fe)-Columbite-(Mn) Series, Euxenite-(Y)] Gevers +2 other references
ⓘ Steinkopf	[Euxenite-(Y)] Cairncross et al. (1995)
ⓘ Blue feldspar reef	[Columbite-(Fe)-Columbite-(Mn) Series] Baldwin (1994)
ⓘ Groendoorn I pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] Cairncross et al. (1995)
ⓘ Groendoorn III pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] Cairncross et al. (1995)
ⓘ Groendoorn IV pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] Cairncross et al. (1995)
ⓘ Jakkalswater (Jackal's Water; Noumas I pegmatite; Blesberg mine)	[Columbite-(Fe)-Columbite-(Mn) Series] Cairncross et al. (1995)
ⓘ Kokerboomrand pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] Baldwin (1994)
ⓘ Noumas I pegmatite (Blesberg)	[Columbite-(Fe)-Columbite-(Mn) Series] Von Backstroem (1973) +2 other references
ⓘ Noumas II pegmatite (Blesberg)	[Columbite-(Fe)-Columbite-(Mn) Series] Von Backstroem (1973) +1 other reference
ⓘ Spodumene Kop I pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] Von Backstroem (1973)
ⓘ Spodumene Kop II pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] Baldwin (1994)
ⓘ Swartkop (Swartberg) pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] Cairncross et al. (1995)
ⓘ Uranoop pegmatite	[Euxenite-(Y)] Cairncross et al. (1995)
Okiep Copper District ⓘ Narrap Mine	[Columbite-(Fe)-Columbite-(Mn) Series] Econ Geol. (1995)
ZF Mgcawu District Municipality !Kheis Local Municipality ⓘ Kombaers Brand Farm	[Columbite-(Fe)-Columbite-(Mn) Series] Cairncross et al. (1995)
Dawid Kruiper Local Municipality ⓘ Gordonia	[Euxenite-(Y)] Cairncross et al. (1995)
Kai !Garib Local Municipality Kakamas ⓘ Baviaanskrantz pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] Cairncross et al. (1995)
Riemvasmaak ⓘ Mosterhoek pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] Cairncross (2009)
ⓘ Kenhardt	[Euxenite-(Y)] Cairncross et al. (1995)
ⓘ Angelierspan III pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] Baldwin (1994)
ⓘ Crieff Farm	[Columbite-(Fe)-Columbite-(Mn) Series] Cairncross et al. (1995)
ⓘ Crieff pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] Von Backstroem (1973)
ⓘ Jacomynspan Farm	[Columbite-(Fe)-Columbite-(Mn) Series] Cairncross et al. (1995)
Steyns Put ⓘ Sidi Barrani pegmatite (Blomerus pegmatite)	[Euxenite-(Y)] Von Backstroem (1973) +1 other reference
ⓘ Stofberg farm	[Columbite-(Fe)-Columbite-(Mn) Series] Cairncross et al. (1995)
ⓘ Klein Xamchap	[Columbite-(Fe)-Columbite-(Mn) Series] Collection of Geoscience Museum
ⓘ Witwatersrand goldfield	[Columbite-(Fe)-Columbite-(Mn) Series, Euxenite-(Y)] Cairncross et al. (1995)

South Korea
Gangwon Province Hongcheon County ⓘ Hongcheon Carbonatite	[Columbite-(Fe)-Columbite-(Mn) Series, Columbite-(Mn)] Pavel M. Kartashov's analytical data
North Chungcheong Province Chechon-gun Susan-myon ⓘ Sujung Mine	[Columbite-(Fe)-Columbite-(Mn) Series] Kinosaki (1943)
Chungju City Joongwon-gun Mt. Eorae ⓘ Chungju deposit	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series, Columbite-(Mn), Euxenite-(Y)] No et al. (2019)
Danyang County ⓘ Tanyang Mine	[Columbite-(Fe)-Columbite-(Mn) Series] pp 158-168 +1 other reference
Goesan County ⓘ Dukpyungri	[Euxenite-(Y)] Gi Young Jeong (2006)
North Jeolla Province ⓘ Muju County	[Columbite-(Fe)-Columbite-(Mn) Series] Kang +2 other references
South Chungcheong Province Hongseong County ⓘ Hongbung-myon	[Euxenite-(Y)] Hideo Tsuda (1969)

Spain
Canary Islands Santa Cruz de Tenerife Province Tenerife Candelaria Barranco Hondo ⓘ ~~Lava flow~~	[Columbite-(Fe)] Dill et al. (2023)
Castile and Leon ⓘ Fregeneda–Almendra pegmatite field	[Columbite-(Fe)-Columbite-(Mn) Series] Errandonea-Martin et al. (2022) +1 other reference
Salamanca Aldea del Obispo ⓘ Castillejo de Dos Casas	[Columbite-(Mn)] Roda-Robles M E et al. (2014)
Aldehuela de la Bóveda ⓘ Aldehuela de la Bóveda pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] Roda et al. (2001)
Garcirrey ⓘ Julita quarry (Cañada pegmatite)	[Columbite-(Fe)] Encarnación Roda-Robles (2007) +1 other reference
Golpejas ⓘ Golpejas Mining Group	[Columbite-(Fe)-Columbite-(Mn) Series] Losantos et al. (2025)
ⓘ La Fregeneda	[Columbite-(Fe)] Encarnación Roda-Robles (2007)
ⓘ Feli deposit	[Columbite-(Fe)-Columbite-(Mn) Series, Columbite-(Mn)] Encarnación Roda-Robles (2007)
Peñaparda ⓘ La Canalita Sn-rich pegmatitic dykes	[Columbite-(Fe)-Columbite-(Mn) Series, Columbite-(Mn)] Llorens et al. (2010) +1 other reference
Pereña de la Ribera ⓘ Puentemocha pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] Roda-Robles et al. (2012)
Villar de la Yegua ⓘ Barquilla Sn-Ge-Cd-Cu-Fe Deposit	[Columbite-(Fe)-Columbite-(Mn) Series, Columbite-(Mn)] Pascua et al. (1997)
Catalonia Girona Alt Empordà Cadaqués ⓘ Cap de Creus	[Columbite-(Fe)-Columbite-(Mn) Series] Bareche (2005) +1 other reference
ⓘ El Port de la Selva	[Columbite-(Fe)-Columbite-(Mn) Series] & locality references +1 other reference
Community of Madrid Galapagar ⓘ Maribel Mine (Maribel y los 4 Amigos mine)	[Columbite-(Fe)-Columbite-(Mn) Series] Jimenez R. et al. (2004)
Guadalix de la Sierra Peña Cervera ⓘ Peña Cervera outcrop	[Columbite-(Fe)-Columbite-(Mn) Series] Geominero Museum of Madrid
Extremadura Badajoz Tres Arroyos ⓘ Tres Arroyos pegmatite field	[Columbite-(Fe)-Columbite-(Mn) Series] Garate-Olave I et al. (2014)
Cáceres Logrosán ⓘ Sierra de San Cristóbal	[Columbite-(Fe)-Columbite-(Mn) Series] Losantos et al. (2025)
Galicia A Coruña Lousame Vilacova ⓘ San Finx Mines	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series, Columbite-(Mn)] Garófano-Medina et al. (2021)
Lugo Ourol ⓘ Ponte Segade deposit	[Columbite-(Fe)-Columbite-(Mn) Series] Canosa et al. (2011) +1 other reference
Ourense Viana do Bolo ⓘ Penouta mines	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series, Columbite-(Mn)] Guldris Leon +2 other references
Pontevedra Forcarei ⓘ Forcarei South pegmatite field	[Columbite-(Fe)-Columbite-(Mn) Series] Fuertes Fuente et al. (1998)
ⓘ Presqueira pegmatite	[Columbite-(Fe)] Roza Llera +3 other references
Gondomar Vincios Galiñeiro Complex ⓘ Santa Marina Mine	[Columbite-(Fe), Columbite-(Mn)] NÚÑEZ-GARCÍA et al. (2012)
Lalín ⓘ Lalín pegmatite field	[Columbite-(Fe)-Columbite-(Mn) Series] Fuertes-Fuente et al. (2001)
Ponteareas ⓘ Cillarga Quarry	[Euxenite-(Y)] Calvo et al. (2009)
Silleda Fontao mines ⓘ Tiro and Sidón mines	[Columbite-(Fe)-Columbite-(Mn) Series] Calvo Rebollar (2009)
Vila de Cruces (Carbia) Fontao mines ⓘ Sidón Mine	[Columbite-(Fe)-Columbite-(Mn) Series] Calvo Rebollar (2009)
ⓘ Tiro mine	[Columbite-(Fe)-Columbite-(Mn) Series] Calvo Rebollar (2009)

Sri Lanka
Sabaragamuwa Province Ratnapura District ⓘ Ratnapura	[Columbite-(Fe), Columbite-(Mn)] Geeth Sameera et al. (2025)
ⓘ Gem gravels	[Columbite-(Fe)-Columbite-(Mn) Series] Ceylon Aluvial Mine (Book, Co. 2002)

Sweden
Dalarna County Falun ⓘ Broddbo	[Columbite-(Fe)-Columbite-(Mn) Series] Romer et al. (1997)
ⓘ Kårarvet	[Columbite-(Fe)-Columbite-(Mn) Series]
Sundborn ⓘ Flinten	[Columbite-(Fe)-Columbite-(Mn) Series] www.k1q.net (2003)
Halland County Varberg ⓘ Derome pegmatites	[Euxenite-(Y)] Wilke (1997)
Jämtland County Bräcke ⓘ Abborrselet ?	[Euxenite-(Y)] Kjellman
ⓘ Räggen Pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] Lynch et al. (2025)
Ragunda ⓘ Hälleberget	[Columbite-(Fe)-Columbite-(Mn) Series] Lynch et al. (2025)
ⓘ Mårdsjön	[Columbite-(Fe)-Columbite-(Mn) Series] Lynch et al. (2025)
Strömsund Hoting ⓘ Lillberget (Lill-Gullberget)	[Columbite-(Fe)-Columbite-(Mn) Series] Romer et al. (1994) +1 other reference
Jönköping County Gislaved Båraryd ⓘ Ingelsbo pegmatite	[Euxenite-(Y)] The Swedish Museum of Natural History ...
Värnamo Forsheda ⓘ Hökhult pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] The Swedish Museum of Natural History ...
Vetlanda ⓘ Alseda	[Euxenite-(Y)]
Slättåkra ⓘ Dikesgård	[Euxenite-(Y)] J.Langhof: REE-mineralogy in Mo-granite ...
ⓘ Hulta	[Euxenite-(Y)] J.Langhof: REE-mineralogy in Mo-granite ...
ⓘ Slättåkra quartz quarry (Alseda)	[Euxenite-(Y)] J.Langhof: REE-mineralogy in Mo-granite ... +1 other reference
ⓘ Viktors mine	[Euxenite-(Y)] J.Langhof: REE-mineralogy in Mo-granite ... +1 other reference
Fröderyd ⓘ Torp pegmatite	[Euxenite-(Y)] J.Langhof: REE-mineralogy in Mo-granite ...
Kalmar County Västervik Gamleby ⓘ Olserum	[Columbite-(Fe)-Columbite-(Mn) Series] Fullerton (2014)
Kronoberg County Växjö Asa ⓘ Asaryd	[Euxenite-(Y)] See above.
Norrbotten County Jokkmokk ⓘ Flakaberget	[Euxenite-(Y)]
ⓘ Ruoutevare	[Euxenite-(Y)] Färber (n.d.)
Kiruna ⓘ Vassijaure	[Columbite-(Fe)-Columbite-(Mn) Series] Romer et al. (1992)
Luleå ⓘ Råneå	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series, Euxenite-(Y)] found and analyzed by Aksel Österlöf.
ⓘ Mjöfjärden	[Columbite-(Fe)-Columbite-(Mn) Series, Euxenite-(Y)]
ⓘ Sörhällan quarry	[Columbite-(Fe)] Pavel M. Kartashov (n.d.) +1 other reference
Pajala ⓘ Naakajärvi	[Euxenite-(Y)]
Örebro County Askersund Västerby ⓘ Västerby feldspar quarry	[Columbite-(Fe)-Columbite-(Mn) Series] The Swedish Museum of Natural History (Naturhistoriska riksmuseet)
Lindesberg Storå Guldsmedshyttan ⓘ Reboda pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] Romer et al. (1997)
Östergötland County Motala Godegård ⓘ Perstorp	[Columbite-(Fe)-Columbite-(Mn) Series] Romer et al. (1997)
ⓘ Skrumpetorp	[Columbite-(Fe)-Columbite-(Mn) Series] Romer et al. (1997)
Norrköping Kolmården ⓘ Lilla Älgsjö Quarry	[Columbite-(Fe)] Swedish Museum of Natural History (NRM)
ⓘ Stubbetorps Sarvgöl	[Columbite-(Fe)] Sundius (1951)
Stockholm County Haninge ⓘ Ängsholmarna Norra	[Columbite-(Fe)-Columbite-(Mn) Series] Smeds et al. (1998)
Norrö ⓘ Norrö Mica Quarry	[Columbite-(Fe)-Columbite-(Mn) Series] Smeds et al. (1998)
ⓘ Rånö	[Columbite-(Fe)-Columbite-(Mn) Series] Smeds et al. (1998)
ⓘ Kapelludden	[Columbite-(Fe)-Columbite-(Mn) Series] Wik et al. (2005)
ⓘ Stora Persholmen	[Columbite-(Fe)-Columbite-(Mn) Series] Smeds et al. (1998)
Utö ⓘ Utö Mines	[Columbite-(Mn)] Langhof et al. (1998)
ⓘ Grundberg outcrop	[Columbite-(Mn)] Uher et al. (2008)
Norrtälje ⓘ Väddö	[Columbite-(Fe)-Columbite-(Mn) Series]
Nynäshamn ⓘ Stora Vika	[Columbite-(Fe)-Columbite-(Mn) Series] Nysten (1996) +2 other references
ⓘ Pegmatite A	[Columbite-(Fe)-Columbite-(Mn) Series] Gustafsson (1992)
Österåker ⓘ Gruvdalen Mine (Skeppsdal)	[Columbite-(Fe)-Columbite-(Mn) Series] Nysten (1996)
Vaxholm Resarö ⓘ Ytterby ?	[Euxenite-(Y)]
Värmland County Årjäng ⓘ Blomskog pegmatite	[Euxenite-(Y)] Wedding (1989)
Torsby S. Finnskoga ⓘ Riddaho	[Columbite-(Mn)] SEM-EDS Andreas Karlsson (sample NRM# 20140340) +2 other references
Västerbotten County Bjurholm ⓘ Balberget	[Columbite-(Fe)-Columbite-(Mn) Series] Romer et al. (1997) +1 other reference
Skellefteå ⓘ Åkerberg mine	[Columbite-(Fe)-Columbite-(Mn) Series] Grensman et al. (1991) +2 other references
ⓘ Varuträsk	[Columbite-(Fe)-Columbite-(Mn) Series, Columbite-(Mn)] Černý et al. (2004)
ⓘ Ytterbodliden	[Columbite-(Fe)-Columbite-(Mn) Series] Romer et al. (1997) +1 other reference
Västernorrland County Kramfors ⓘ Jungfruberget-Sandsvedjan	[Columbite-(Fe)-Columbite-(Mn) Series] Lynch et al. (2025)
ⓘ Sels-Vitberget	[Columbite-(Fe)] Jonsson et al. (1997) +1 other reference
ⓘ Tjärned	[Columbite-(Fe)-Columbite-(Mn) Series] Lynch et al. (2025)
Örnsköldsvik Sidensjö ⓘ Dyngselet	[Columbite-(Fe)-Columbite-(Mn) Series] Romer et al. (1994) +1 other reference
ⓘ Hinnsjön	[Columbite-(Fe)-Columbite-(Mn) Series] Lynch et al. (2025)
ⓘ Orrvik	[Columbite-(Fe)-Columbite-(Mn) Series] Smeds (1990) +1 other reference
ⓘ Stenbackberget	[Columbite-(Fe)-Columbite-(Mn) Series] Lynch et al. (2025)
ⓘ Skorped	[Columbite-(Fe)-Columbite-(Mn) Series] Lynch et al. (2025)
Sollefteå ⓘ Gammboberget	[Columbite-(Fe)-Columbite-(Mn) Series] Lundqvist et al. (1990)
ⓘ Gammbodberget	[Columbite-(Fe)-Columbite-(Mn) Series] Lynch et al. (2025)
ⓘ Rotbäcken	[Columbite-(Fe)-Columbite-(Mn) Series] Lynch et al. (2025)
ⓘ Stockberget	[Columbite-(Fe)-Columbite-(Mn) Series] Lundqvist et al. (1990) +1 other reference
Sundsvall ⓘ Järkvissle	[Columbite-(Fe)-Columbite-(Mn) Series] Smeds (1990) +1 other reference
ⓘ Stugholmen	[Columbite-(Fe)-Columbite-(Mn) Series] Sandström et al. (2010)
Västmanland County Köping ⓘ Kolsva	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series, Euxenite-(Y)]
Västra Götaland County Ale Nödinge ⓘ Nol Quarry	[Euxenite-(Y)] N.Sundius SGU C 520
Gothenburg Västra Frölunda ⓘ Högsbo quarries	[Columbite-(Mn)] Cerny & Kjellman (unpublished)
Orust ⓘ Skantorp	[Columbite-(Fe)-Columbite-(Mn) Series] Romer & Smeds (1996)
ⓘ Timmerhult	[Columbite-(Fe)-Columbite-(Mn) Series, Columbite-(Mn)]
Svenljunga Överlida ⓘ Gräne feldspar quarry	[Euxenite-(Y)]
ⓘ Skillnabo	[Euxenite-(Y)]
ⓘ Ytterlida pegmatite	[Euxenite-(Y)] Langhof (1996)
ⓘ Stackebo Quarry	[Euxenite-(Y)]
Vänersborg Väne Ryr ⓘ Gundlebo	[Columbite-(Mn)]
ⓘ Skuleboda	[Columbite-(Fe)-Columbite-(Mn) Series, Columbite-(Mn)]

Switzerland
Grisons Maloja Region Bregaglia Upper Val Bregaglia Albigna Valley ⓘ Cantun glacier	[Columbite-(Mn)] Stalder et al. (1998)
ⓘ Bondasca Valley	[Columbite-(Fe)-Columbite-(Mn) Series] Stalder et al. (1998)
ⓘ Pizzo Trubinasca	[Columbite-(Fe)] Stalder et al. (1998)
Löbbia ⓘ Vallun dal Largh	[Columbite-(Fe)] Stalder et al. (1998)
Stampa ⓘ Drögh dal Frachic	[Columbite-(Fe)-Columbite-(Mn) Series, Euxenite-(Y)] F. Bedogne
ⓘ Val Forno	[Columbite-(Fe)] Stalder et al. (1998)
ⓘ Cavloc lake	[Columbite-(Fe), Euxenite-(Y)] Stalder et al. (1998)
Muretto Valley ⓘ Muretto Pass	[Columbite-(Fe)] Stalder et al. (1998)
Moesa Region Grono Leggia ⓘ Leggia Valley	[Columbite-(Fe), Euxenite-(Y)] Guastoni et al. (2014)
Verdabbio ⓘ Piani di Verdabbio	[Columbite-(Fe)-Columbite-(Mn) Series] "Silvano Turati' Collection"
San Vittore Monticello ⓘ Maiò Valley	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series, Columbite-(Mn), Euxenite-(Y)]
Ticino Locarno Brissago ⓘ Ponte Valley	[Columbite-(Fe)] Weiß (1989) +1 other reference
Centovalli ⓘ Gridone - Monte Limidario area	[Columbite-(Fe), Euxenite-(Y)] Stalder et al. (1998) +1 other reference
ⓘ Ponte Brolla	[Columbite-(Fe)-Columbite-(Mn) Series] Stalder et al. (1998)
Valais Goms Binn Gischi glacier (incl. Gischihorn) ⓘ Gischi glacier REE-mineralization	[Euxenite-(Y)] Cuchet et al. (2023)
ⓘ Wanni glacier - Scherbadung area (Monte Cervandone)	[Euxenite-(Y)] Cuchet et al. (2019)
Hérens Vex Thyon ⓘ Crête de Thyon	[Euxenite-(Y)] Lemanski (n.d.)
Östlich Raron Grengiols Chummibort ⓘ Ritterpass NE-combe REE-mineralization	[Euxenite-(Y)] Cuchet et al. (2014)

Tajikistan
Districts of Republican Subordination ⓘ Dara-i-Pioz Massif	[Columbite-(Mn)] I. Pekov data pers. comm L. Horvath 2008
Gorno-Badakhshan Murghob ⓘ Dorozhniy pegmatite	[Columbite-(Mn), Euxenite-(Y)] Mirakov M.A. et al. (2018)
Shughnon Shakhdara Range ⓘ Vez-Dara River Valley	[Columbite-(Fe)-Columbite-(Mn) Series] Pekov (1998)

Tanzania
Mbeya Region Mbeya Rural District ⓘ Panda Hill	[Columbite-(Fe)-Columbite-(Mn) Series] Mineralogical Magazine 32

Thailand
Phang Nga Province ⓘ Khao Kata Kwham batholith	[Columbite-(Fe)-Columbite-(Mn) Series] Pollard et al. (1995)
Phrae Province ⓘ Den Chai	[Columbite-(Fe)-Columbite-(Mn) Series] Amphon et al. (2024)
Phuket Province ⓘ Kathu District	[Columbite-(Fe)-Columbite-(Mn) Series] amdis.bgl.esdm.go.id (2016)
ⓘ Tantikowit mine	[Columbite-(Fe)-Columbite-(Mn) Series] Econ Geol (1995)
ⓘ TorSoong mine	[Columbite-(Fe)-Columbite-(Mn) Series] Econ Geol (1995)
ⓘ TungTong mine	[Columbite-(Fe)-Columbite-(Mn) Series] Econ Geol (1995)
Prachuap Khiri Khan Province ⓘ Nong Sua	[Columbite-(Fe)] Linnen et al. (1993)

Uganda
Central Region Kiboga ⓘ Kbale	[Columbite-(Mn)] von Knorring et al. (1981)
Eastern Region Busia ⓘ Lunyo area	[Columbite-(Fe)-Columbite-(Mn) Series] von Knorring et al. (1981)
Western Region Kanungu ⓘ Bulema Mine	[Columbite-(Fe)-Columbite-(Mn) Series] von Knorring et al. (1981)
ⓘ Kigezi District	[Columbite-(Fe)-Columbite-(Mn) Series] Gallagher (1967)
Ntungamo Ankole pegmatite field ⓘ Byasha	[Columbite-(Mn)] von Knorring et al. (1981)
ⓘ Nyanga Number 2 pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] v. Knorring et al. (1969)
ⓘ Nyanga pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] Bulletin of the Geological Society of ...
ⓘ Rwemeriro	[Columbite-(Mn)] von Knorring et al. (1981)

UK
England Cornwall Mabe ⓘ Chywoon Quarry	[Columbite-(Fe), Columbite-(Mn)] Moulding et al. (2005)
Treverbyn Stenalees ⓘ Gunheath China Clay Pit	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series, Columbite-(Mn)] Tindle (2008)
Cumbria ⓘ Caldbeck Fells Mining Region	[Columbite-(Mn)] Stanley et al. (1991)
Eden Mungrisdale ⓘ Carrock Mine	[Columbite-(Fe)-Columbite-(Mn) Series, Columbite-(Mn)] Beddoe-Stephens et al. (1981) +1 other reference
Devon West Devon Okehampton Hamlets ⓘ Meldon Aplite Quarry	[Columbite-(Mn)] Knorring et al. (1984) +1 other reference
ⓘ Meldon Quarry	[Columbite-(Fe)-Columbite-(Mn) Series] Day (1999)
Scotland Aberdeenshire ⓘ Glen Lui	[Columbite-(Fe)-Columbite-(Mn) Series] Inst. Geol. Sci. Ann. Rept. for 1974 (1975) +1 other reference
Strathdon Glenbuchat ⓘ Peatfold	[Columbite-(Fe)-Columbite-(Mn) Series] Jackson (1982)
Highland North， West and Central Sutherland ⓘ Kinlochbervie	[Euxenite-(Y)] Gallagher (1971) +1 other reference
Outer Hebrides Isle of Lewis and Harris Harris ⓘ Chiapaval	[Columbite-(Fe)-Columbite-(Mn) Series] O. von Knorring and R. Dearnley (1960) +1 other reference

Ukraine
Donetsk Oblast Volnovakha Raion ⓘ Dmitrievskii quarry	[Columbite-(Fe)-Columbite-(Mn) Series] Sharygin et al. (2011)
Kirovohrad Oblast Holovanivsk Raion ⓘ Stankuvatske Li-deposit	[Columbite-(Fe)] Kurylo et al. (2022) +1 other reference
Zaporizhia Oblast Berdyansk Raion Middle Berda River Rodionovskoe pegmatite field ⓘ Krutaya Balka pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] Shatalov (2017)
Pryazovske Raion ⓘ Chernigovskiy Massif (Chernigovka Massif; Novopoltavskiy Massif)	[Columbite-(Fe)-Columbite-(Mn) Series] Ryabchikov et al. (2008)
Eliseevka Eliseevskoe pegmatite field ⓘ Zelenaya Mogila pegmatite	[Columbite-(Fe)] Lazarenko E.K. e.a. Mineralogy of ...
Zhytomyr Oblast ⓘ Korosten Raion	[Columbite-(Fe)-Columbite-(Mn) Series]
ⓘ Perzhanskoe ore field (Perga Be deposit)	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series] Pavel M. Kartashov (n.d.)
Zhytomyr Raion ⓘ Khoroshiv Raion (Volodarsk-Volynskii)	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series] Bailey (1980) +1 other reference
ⓘ Volyn Pegmatites	[Columbite-(Fe)-Columbite-(Mn) Series] Voznyak et al. (2017)

USA
Alaska Haines ⓘ Lucky Six; William Henry Prospect	[Euxenite-(Y)] - (2008)
Prince of Wales-Hyder Census Area Ketchikan Mining District Prince of Wales Island Cholmondeley Sound Dora Bay ⓘ Unnamed Occurrences (ARDF - CR172)	[Euxenite-(Y)] Barker +1 other reference
Yukon-Koyukuk Census Area Hot Springs Mining District ⓘ Deep Creek and tributaries Mine	[Columbite-(Fe)-Columbite-(Mn) Series] - (2008)
ⓘ Idaho Gulch Mine	[Columbite-(Fe)-Columbite-(Mn) Series] - (2008)
ⓘ Miller Gulch Mine	[Columbite-(Fe)-Columbite-(Mn) Series] - (2008)
ⓘ Tofty Ridge Prospect	[Euxenite-(Y)] - (2008)
Arizona Maricopa County Buckeye Hills Mining District ⓘ Buckeye area	[Euxenite-(Y)] Galbraith (1959)
Paradise Valley ⓘ Mummy Mountain	[Columbite-(Fe)] Anthony et al. (1995)
White Picacho Mining District San Domingo Wash ⓘ Morning Star Mine (Morning Star prospects; Morning Star pegmatites)	[Columbite-(Fe)-Columbite-(Mn) Series] Meeves et al. (1966)
ⓘ White Tank Mountains	[Euxenite-(Y)] Anthony et al. (1995)
ⓘ Caterpillar Tractor Testing Grounds	[Euxenite-(Y)] Anthony et al. (1995)
White Tank Mountains Mining District ⓘ Arrowhead claim	[Columbite-(Fe)-Columbite-(Mn) Series] MRDS file #10092680.
Mohave County Aquarius Cliffs ⓘ Aquarius Cliffs pegmatites	[Euxenite-(Y)] Meeves et al. (1966)
Aquarius Mountains Bolo Creek ⓘ Frank Kayser deposit	[Euxenite-(Y)] Heinrich (1960)
Rare Metal Mine area ⓘ Columbite prospect	[Columbite-(Fe)-Columbite-(Mn) Series] Heinrich (1960)
ⓘ Rare Metals Mine (Waldren Mining Company Mine) ?	[Euxenite-(Y)] Heinrich (1960) +3 other references
ⓘ Burro Creek Area Agate occurrence	[Euxenite-(Y)] Shaw (1959) +2 other references
Cerbat Mountains Wallapai Mining District ⓘ Kingman Feldspar Mine (Kingman Feldspar Quarry)	[Euxenite-(Y)] Galbraith (1959) +1 other reference
ⓘ Hillside claim	[Euxenite-(Y)] Parker
Hualapai Mountains Diamond Joe Mining District Diamond Joe Peak ⓘ Alma pegmatites (Alma claims)	[Euxenite-(Y)] Meeves et al. (1966)
Lost Basin Mining District Garnet Mountain ⓘ Unnamed REE occurrence [3]	[Euxenite-(Y)] Reyner (1954) +1 other reference
ⓘ Quartz Mountain claim	[Euxenite-(Y)] Parker
ⓘ Water Hole Mine	[Columbite-(Fe)-Columbite-(Mn) Series] Meeves et al. (1966)
ⓘ White Cap pegmatite	[Euxenite-(Y)] MRDS file #10009103.
Navajo County ⓘ Hugh Barton's claim	[Euxenite-(Y)] Galbraith (1959)
Pima County Ajo Mining District Chico Shunie Hills Chico Shunie San Antonio group of claims ⓘ Valentine 1 claim	[Columbite-(Fe)] Anthony et al. (1995)
ⓘ Valentine 2 claim	[Columbite-(Fe)] Anthony et al. (1995)
ⓘ Valentine 3 claim	[Columbite-(Fe)] Anthony et al. (1995)
Sierrita Mountains Pima Mining District ⓘ New Years Eve Mine (Red Carbonate Mine; Amargosa Mine; Amargosa property; Snyder group)	[Euxenite-(Y)] Galbraith (1959) +1 other reference
Yavapai County ⓘ Lucky Probe prospect	[Euxenite-(Y)] MRDS database Dep. ID #10064167
White Picacho Mining District ⓘ Friction Mine	[Columbite-(Fe)-Columbite-(Mn) Series] Jahns (1952)
Independence Gulch ⓘ Lone Giant pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] Jahns (1952) +1 other reference
ⓘ Midnight Owl Mine	[Columbite-(Fe)] Anthony et al. (1995)
ⓘ Picacho View Mine	[Columbite-(Fe)-Columbite-(Mn) Series] Jahns (1952)
California El Dorado County ⓘ BBC Mine	[Columbite-(Fe)-Columbite-(Mn) Series] Visual ID of material field collected ...
Kern County ⓘ Kern River Uranium Mining District	[Euxenite-(Y)] MacKevett et al. (1960) +1 other reference
Los Angeles County Kagel Canyon ⓘ Rattlesnake Canyon	[Columbite-(Fe)-Columbite-(Mn) Series] Murdoch (1966)
Pearblossom ⓘ Southeast of Pearblossom	[Euxenite-(Y)] Hewett et al. (1969) +2 other references
Madera County Ritter Range Devils Postpile National Monument Devils Postpile King Creek ⓘ Reynolds Mine	[Columbite-(Fe)-Columbite-(Mn) Series] Irelan et al. (1890a) +1 other reference
Riverside County Cahuilla Mining District Cahuilla Mountain ⓘ Lithia Dike Mine (Lithia Dyke claim)	[Columbite-(Fe)-Columbite-(Mn) Series] Geffner and Fisher 1997.
ⓘ Unnamed pegmatite [2] ?	[Columbite-(Fe)-Columbite-(Mn) Series] Fisher (1944) +1 other reference
ⓘ Williamson Mine (Coahuila Brave claim; Williamson Silica Mine)	[Columbite-(Fe)] Phil Osborn collection
Little Cahuilla Mountain ⓘ Audrey Lynn Mine (Audrey Lynne Mine; Jumping Joe claims)	[Columbite-(Fe)-Columbite-(Mn) Series] Fisher (2002)
ⓘ Fano Mine (Big Pink claim; Fano-Simmons Mine; Little Blue claim; MS 4800; Simmons Mine)	[Columbite-(Fe)-Columbite-(Mn) Series, Columbite-(Mn)] Pemberton (1983) +1 other reference
ⓘ Schindler Mine (Beryl Crystal claims; Schindler claims; Silica Beryl claims; Silica Beryl group)	[Columbite-(Fe)-Columbite-(Mn) Series] Fisher (2002) +1 other reference
Red Mountain ⓘ Anita Mine (Magee Mine; Magee & Dougherty Mine; Sage Mine)	[Columbite-(Fe)-Columbite-(Mn) Series] Wright
Chuckwalla Mountains Aztec Well ⓘ Ramar Mine	[Columbite-(Fe)-Columbite-(Mn) Series] - (2005)
San Bernardino County Bighorn Mountains One Hole Spring ⓘ Red Boulder No. 1 prospect (Unnamed REE-U-Th occurrence [1])	[Euxenite-(Y)] Hewett et al. (1957) +3 other references
Calumet Mountains ⓘ Pomona Tile Quarry	[Euxenite-(Y)] American Mineralogist: 38 (11-12) +6 other references
Landers Rock Corral ⓘ Unnamed REE occurrence	[Euxenite-(Y)] - (2005)
Yucca Valley ⓘ California Blue Mine	[Columbite-(Mn)] David Lowe personally analyzed sample ...
San Diego County Aguanga Mountain Mining District (Smith Mountain Mining District) Oak Grove Aguanga Mountain ⓘ Mountain Lily Mine (Emeralite No. 2 claim; Gem Mine No. 1 claim; Ware mine)	[Columbite-(Fe)] King (n.d.)
Jacumba Tule Mountain (Mount Tule; Tulley Mountain) ⓘ Beebe Hole Mine	[Columbite-(Fe)-Columbite-(Mn) Series] Todd et al. (1987)
ⓘ Pack Rat Mine	[Columbite-(Fe)-Columbite-(Mn) Series] Fisher (2002) +1 other reference
Mesa Grande Mining District Gem Hill ⓘ Himalaya Mine	[Columbite-(Mn)] Foord (1977)
ⓘ Pala Mining District	[Columbite-(Mn)] Jahns et al. (1951)
Pala Chief Mountain ⓘ Elizabeth R. Mine (Hazel W. claim)	[Columbite-(Fe)-Columbite-(Mn) Series, Columbite-(Mn)] various added photos
ⓘ Oceanview Mine (Oceanview adits; new Oceanview workings)	[Columbite-(Fe)-Columbite-(Mn) Series, Columbite-(Mn)] Mauthner (2024)
ⓘ Oceanview Mine (MS 6452; MS 6848; Ocean View Mine)	[Columbite-(Mn)] description of beryl discovery on ... +2 other references
Hiriart Mountain Vanderberg-Katerina pegmatites ⓘ Katerina Mine	[Columbite-(Fe)] Jahns et al. (1951)
ⓘ Vanderberg Mine	[Columbite-(Fe)] Jahns et al. (1951)
ⓘ White Queen Mine	[Columbite-(Mn)] Novák et al. (2000)
Tourmaline Queen Mountain (Pala Mtn; Queen Mtn) ⓘ Stewart Mine	[Columbite-(Mn)] Fisher (2002)
ⓘ Tourmaline King Mine	[Columbite-(Fe)-Columbite-(Mn) Series] San Diego Mining Company (2003)
ⓘ Tourmaline Queen Mine	[Columbite-(Fe)-Columbite-(Mn) Series] Fisher (2002)
Ramona Mining District Ramona ⓘ Hercules Mine (Beryl claim; Hercules claim; Hercules group; Hercules prospect)	[Columbite-(Fe), Columbite-(Mn)] Foord et al. (1989)
Little Three Mine area ⓘ Little Three Mine	[Columbite-(Fe), Columbite-(Mn)] Foord et al. (1989)
Rincon Mining District Rincon Rincon Mountain ⓘ Clark Mine	[Columbite-(Fe)-Columbite-(Mn) Series] Rogers (1910b) +4 other references
ⓘ Mack Mine (John Mac mine; Mac mine; San Luis Rey claim)	[Columbite-(Fe)-Columbite-(Mn) Series] Kunz (1905) +1 other reference
ⓘ Victor Mine (Big Buck mine; Big Buck prospect)	[Columbite-(Fe)-Columbite-(Mn) Series] Rogers
Warner Springs Mining District Chihuahua Valley ⓘ Blue Lady Mine (Blue Tourmaline claim; Blue Bell deposit; Blue Bell mine; Exposition claim; Panama claim; San Diego claim; San Diego group)	[Columbite-(Fe)-Columbite-(Mn) Series, Columbite-(Mn)] Lavinsky (n.d.)
Warner Springs ⓘ Cryo-Genie Mine	[Columbite-(Fe)] Rocks & Minerals +1 other reference
Tulare County Long Valley ⓘ Long Valley Mine (Long Valley claim)	[Euxenite-(Y)] Goodwin (1958) +1 other reference
Springville ⓘ Sequoia Ranch prospect (Sequoia Ranch claim)	[Euxenite-(Y)] Goodwin (1958) +2 other references
Colorado Boulder County Crystal Mountain ⓘ Mona No. 9 Claim	[Columbite-(Fe)-Columbite-(Mn) Series] - (2005)
Left Hand Creek Mining District Highline Prospect ⓘ Columbine Mine	[Columbite-(Fe)-Columbite-(Mn) Series] - (2005)
ⓘ New Girl Prospect	[Columbite-(Fe)-Columbite-(Mn) Series] Hanley et al. (1950) +1 other reference
Ward Mining District ⓘ Beryl No. 1 Prospect	[Columbite-(Fe)-Columbite-(Mn) Series] Eckel et al. (1997)
ⓘ Beryl No. 2 Prospect	[Columbite-(Fe)-Columbite-(Mn) Series] Eckel et al. (1997)
Chaffee County Buena Vista ⓘ Nachtrieb pegmatite	[Euxenite-(Y)] Mark Coolbaugh collection
Newett ⓘ Clora May Mine ?	[Euxenite-(Y)] Hanley et al. (1950) +3 other references
ⓘ Tie Gulch Pegmatite	[Euxenite-(Y)] Eckel et al. (1997)
ⓘ Yard Mine	[Euxenite-(Y)] Hanley et al. (1950) +2 other references
ⓘ Crystal No. 8 Mine	[Euxenite-(Y)] Heinrich (1948) +4 other references
La Plata Mining District (Winfield Mining District) ⓘ Middle Mountain complex	[Columbite-(Fe)-Columbite-(Mn) Series, Columbite-(Mn)] Eckel et al. (1997)
ⓘ Mount Antero	[Columbite-(Fe)-Columbite-(Mn) Series] Eckel et al. (1997)
Nathrop Upper Browns Creek area ⓘ California Mine	[Columbite-(Fe)-Columbite-(Mn) Series] Eckel et al. (1997)
ⓘ Trout Creek Pass Pegmatite Mining District	[Euxenite-(Y)] Rocks & Min.: 64: 471.
Turret Mining District ⓘ Mica-Beryl Mine (MRDS - 10013705)	[Columbite-(Fe)] Ralph Parkes
ⓘ Shirley group	[Columbite-(Fe)-Columbite-(Mn) Series] Meeves et al. (1966)
ⓘ Silver Rocker group	[Columbite-(Fe)-Columbite-(Mn) Series] Meeves et al. (1966)
ⓘ Unnamed Pegmatite prospect [1]	[Columbite-(Fe)-Columbite-(Mn) Series] Ralph Parkes
ⓘ Unidentified Monazite Occurrence (MRDS - 10018145)	[Euxenite-(Y)] - (2005)
ⓘ Unidentified Monazite Occurrence (MRDS - 10018146)	[Euxenite-(Y)] - (2005)
Clear Creek County Dailey Mining District (Jones Pass Mining District) ⓘ Henderson Mine	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series, Columbite-(Mn)] Freeport-McMoRan
ⓘ Grover Mine (Grover pegmatite; Windsor)	[Columbite-(Fe)-Columbite-(Mn) Series] Hanley et al. (1950) +2 other references
Douglas County ⓘ Devils Head Pegmatite Mining District	[Euxenite-(Y)] Eckel et al. (1997)
ⓘ Cramer Mine (Magnuson Quarry)	[Euxenite-(Y)] Meeves et al. (1966)
Kassler Area ⓘ Kaminski Prospect	[Euxenite-(Y)] - (2005)
El Paso County ⓘ Cheyenne Mining District (St. Peters Dome Mining District)	[Columbite-(Fe)-Columbite-(Mn) Series] - (2005)
ⓘ Blue Bird Mine	[Columbite-(Fe)-Columbite-(Mn) Series] - (2005)
ⓘ St Peters Dome	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series] Pavel M. Kartashov analytical data (2011)
ⓘ Stove Mountain Mineral Locality (Cook Stove Mountain Mineral Locality)	[Columbite-(Fe)-Columbite-(Mn) Series] - (2005)
ⓘ Crystal Park	[Columbite-(Fe)-Columbite-(Mn) Series] Eckel et al. (1997)
ⓘ Cameron Cone	[Columbite-(Fe)-Columbite-(Mn) Series] Richard Fretterd and Jean Cowman (2016)
ⓘ Crystal Park area	[Columbite-(Fe)-Columbite-(Mn) Series] - (2005)
ⓘ Helen Hunt Falls	[Columbite-(Fe)-Columbite-(Mn) Series] Eckel et al. (1997)
ⓘ Mount Rosa	[Columbite-(Fe)-Columbite-(Mn) Series] Livingston (2020)
ⓘ Pikes Peak	[Columbite-(Fe)] Muntyan et al. (1985)
ⓘ Specimen Rock	[Columbite-(Fe)-Columbite-(Mn) Series] Rocks & Minerals 76:298-325
ⓘ Stove Mountain (Cookstove Mountain)	[Columbite-(Fe)] Hanson et al. (2013)
ⓘ Fairview	[Columbite-(Fe)-Columbite-(Mn) Series] Eckel et al. (1997)
Fremont County ⓘ Bull Gulch Mica Mine	[Columbite-(Fe)-Columbite-(Mn) Series] Meeves et al. (1966)
ⓘ Cotopaxi Area Occurrence	[Euxenite-(Y)] - (2005)
Cotopaxi Mining District ⓘ Colorado Feldspar Pegmatite	[Euxenite-(Y)] - (2005)
Cotopaxi ⓘ Cotopaxi Pegmatite area	[Euxenite-(Y)] - (2005)
ⓘ Cotopaxi Feldspar Mine (Cotopaxi Feldspar prospect; Henry pegmatite)	[Columbite-(Fe)-Columbite-(Mn) Series, Euxenite-(Y)] Eckel et al. (1997)
ⓘ Zabresky pegmatite	[Euxenite-(Y)] Eckel et al. (1997)
Cottonwood Creek Area ⓘ Benton Prospect (Hilltop prospect)	[Euxenite-(Y)] - (2005)
ⓘ Devil's Hole Mine	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series] Eckel et al. (1997)
Eight Mile Park Pegmatite Mining District ⓘ Eight Mile Park	[Columbite-(Fe)-Columbite-(Mn) Series] Eckel et al. (1997)
ⓘ Meyers quarry (Meyers Quarry; Meyers-Halstead Quarry; Suzana Claims; Suzanna Claims; Royal Gorge No. 2)	[Columbite-(Fe)-Columbite-(Mn) Series, Columbite-(Mn)] Eckel et al. (1997)
ⓘ Mica Lode Mine (Mica Hill Mine)	[Columbite-(Fe)-Columbite-(Mn) Series, Columbite-(Mn)] Eckel et al. (1997)
ⓘ School Section mine (Shipley Cut; Meyers Cut)	[Columbite-(Fe)-Columbite-(Mn) Series] Pearl (1958)
ⓘ Suzanna Mine	[Columbite-(Fe)-Columbite-(Mn) Series] Meeves et al. (1966)
ⓘ Gem Park complex	[Columbite-(Fe)-Columbite-(Mn) Series] USGS Prof Paper 649 +2 other references
ⓘ Pine Creek drainage (Pine Gulch)	[Columbite-(Fe)-Columbite-(Mn) Series] Eckel et al. (1997)
ⓘ Vermiculite Mine (MRDS - 10013422)	[Columbite-(Fe)-Columbite-(Mn) Series] USGS Prof Paper 649 +1 other reference
Goldie Gulch ⓘ Addey pegmatite	[Euxenite-(Y)] Eckel et al. (1997)
Lookout Mountain Area ⓘ Jim 8 Occurrence	[Columbite-(Fe)-Columbite-(Mn) Series] - (2005)
ⓘ Phantom Lode (Phantom Canyon Beryl Prospect; Phantom Canyon Feldspar Mine)	[Columbite-(Fe)-Columbite-(Mn) Series] Hanley et al. (1950) +1 other reference
Texas Creek Area ⓘ Chief lithium pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] AMERICAN MINERALOGIST 50:96-104 +1 other reference
Gilpin County Mountain House ⓘ Dory Hill Occurrence	[Columbite-(Fe)-Columbite-(Mn) Series] - (2005)
Gunnison County ⓘ Bonus Extension Occurrence	[Columbite-(Fe)-Columbite-(Mn) Series] - (2005)
Quartz Creek Pegmatite Mining District ⓘ Brown Derby Mine	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series, Euxenite-(Y)] von Knorring et al. (1963)
ⓘ Brown Derby No. 1	[Columbite-(Fe), Columbite-(Mn), Euxenite-(Y)] Eckel et al. (1997)
ⓘ Brown Derby No. 2	[Columbite-(Fe)-Columbite-(Mn) Series] Eckel et al. (1997)
ⓘ Bucky pegmatite (New Anniversary; Willow Creek)	[Columbite-(Fe)-Columbite-(Mn) Series] Meeves et al. (1966)
ⓘ Monazite claims	[Columbite-(Fe)-Columbite-(Mn) Series] Eckel et al. (1997)
ⓘ Monzonite Mine	[Columbite-(Fe)-Columbite-(Mn) Series] Meeves et al. (1966)
ⓘ Opportunity Mine	[Columbite-(Fe)-Columbite-(Mn) Series] USGS Proffesional Paper 265 +3 other references
ⓘ White Spar No. 1 Mine	[Columbite-(Fe)-Columbite-(Mn) Series] USGS Proffesional Paper 265 +2 other references
ⓘ Rare Earth Occurrence (MRDS - 10094767)	[Euxenite-(Y)] - (2005)
Tomichi Mining District (White Pine Mining District) ⓘ Margo claim group (Vickie-Lee; Delores-Marie)	[Euxenite-(Y)] Eckel et al. (1997)
White Earth Mining District (Powderhorn Mining District) ⓘ Iron Hill deposit	[Columbite-(Fe)-Columbite-(Mn) Series] Eckel et al. (1997)
ⓘ Jefferson County	[Columbite-(Fe)]
Clear Creek pegmatite Province ⓘ Bigger Mica Mine (Sweitzer Lode)	[Columbite-(Fe)-Columbite-(Mn) Series] Hanley et al. (1950) +1 other reference
ⓘ Burroughs Mine (Traut-Rudin-Anderson Pegmatite; Sunrise Peak Mine)	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series, Euxenite-(Y)] - (2005)
ⓘ Cressmans Gulch Mine (Cressmans Gulch pegmatite)	[Columbite-(Fe)-Columbite-(Mn) Series] Meeves et al. (1966)
ⓘ Silver Glen Ranch Mine	[Columbite-(Fe)-Columbite-(Mn) Series, Columbite-(Mn)] Meeves et al. (1966)
ⓘ Soda Creek School Mine (Soda Creek School pegmatite)	[Columbite-(Fe)-Columbite-(Mn) Series] Meeves et al. (1966)
ⓘ Tall Timber group	[Columbite-(Fe)-Columbite-(Mn) Series] Meeves et al. (1966)
ⓘ Wasson Ranch Mine (Rainbow Hills Pegmatite; Wasson Ranch Pegmatite)	[Columbite-(Fe)-Columbite-(Mn) Series, Euxenite-(Y)] Meeves et al. (1966)
Indian Hills ⓘ Hinman Mine	[Columbite-(Mn)] Eckel et al. (1997)
South Platte Pegmatite Mining District ⓘ Little Patsy pegmatite	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series] www.mindat.org (2016) +2 other references
ⓘ Luster No. 1 pegmatite (Lester pegmatite; Oregon No. 3 pegmatite; Ytrrium No. 1 pegmatite)	[Columbite-(Fe)-Columbite-(Mn) Series] Eckel et al. (1997)
ⓘ Mugford pegmatite	[Euxenite-(Y)] Eckel et al. (1997)
ⓘ Vermillion Ranch prospect	[Euxenite-(Y)] Eckel et al. (1997)
ⓘ White Cap pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] Eckel et al. (1997)
ⓘ Turkey Creek	[Columbite-(Fe)-Columbite-(Mn) Series] Eckel et al. (1997)
ⓘ Wigwam Creek	[Columbite-(Mn)] Eckel et al. (1997)
Lake County Climax Mining District Climax ⓘ Climax Mine	[Columbite-(Fe)-Columbite-(Mn) Series, Columbite-(Mn), Euxenite-(Y)] Freeport-McMoRan
Larimer County Crystal Mountain Pegmatite Mining District (Storm Mountain Mining District) ⓘ Buckhorn Mica Mine (Claim: Emerald Gem)	[Columbite-(Fe)-Columbite-(Mn) Series] Rocks & Min.:62:236. +1 other reference
ⓘ Bull Elk Beryl Crystal #1 Mine (Bull Elk Mine; Thodab Mine)	[Columbite-(Fe)-Columbite-(Mn) Series, Columbite-(Mn)] Eckel et al. (1997)
ⓘ Cojade Mine	[Columbite-(Fe)-Columbite-(Mn) Series] Meeves et al. (1966)
ⓘ Crystal Silica Mine	[Columbite-(Fe)-Columbite-(Mn) Series] Hanley et al. (1950) +1 other reference
ⓘ Double Opening Prospect	[Columbite-(Fe)-Columbite-(Mn) Series] Eckel et al. (1997)
ⓘ Hyatt Ranch Mine (Hyatt Mine)	[Columbite-(Fe)-Columbite-(Mn) Series] Eckel et al. (1997)
ⓘ Sherwood Place prospect	[Columbite-(Fe)-Columbite-(Mn) Series] Eckel et al. (1997)
Prairie Divide Mining District (St. Cloud Mining District) ⓘ Red Head Claim (Paradox pegmatite)	[Columbite-(Fe)-Columbite-(Mn) Series] - (2005)
Las Animas County Trinidad Area ⓘ Unnamed locality	[Euxenite-(Y)] Eckel et al. (1997)
ⓘ Marshall Pass Mining District	[Columbite-(Fe)-Columbite-(Mn) Series] Eckel et al. (1997)
ⓘ Micanite Mining District (Currant Creek Mining District)	[Euxenite-(Y)] Eckel et al. (1997)
ⓘ Famous Lode Mica Prospect (Famous Lodge Pegmatites; Little Joe From Kokomo Claim Adjoining)	[Euxenite-(Y)] - (2005)
ⓘ Rose Dawn Mine (Rose Dawn Mica Mine; North Mine)	[Columbite-(Mn)] Eckel et al. (1997)
Moffat County ⓘ Fourmile Mining District (Timberlake Creek Mining District)	[Columbite-(Fe)-Columbite-(Mn) Series, Euxenite-(Y)] - (2005)
ⓘ Joker Pit	[Columbite-(Fe)-Columbite-(Mn) Series, Euxenite-(Y)] - (2005)
Great Divide Area ⓘ Housel Gulch Placer	[Columbite-(Fe)-Columbite-(Mn) Series] Eckel et al. (1997)
Timberlake ⓘ Tipton Tongue placers	[Columbite-(Fe)-Columbite-(Mn) Series] Eckel et al. (1997)
Park County Badger Creek ⓘ Unnamed pegmatites	[Euxenite-(Y)] Eckel et al. (1997)
ⓘ Big Sheep Horn Mine	[Columbite-(Fe)-Columbite-(Mn) Series] Meeves et al. (1966)
ⓘ Crystal Peak area	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series] Eckel et al. (1997)
Guffey Mining District ⓘ Baumer Pegmatite Prospect	[Euxenite-(Y)] - (2005)
ⓘ East-West Pegmatite Occurrence (West-West Pegmatite)	[Columbite-(Fe)-Columbite-(Mn) Series, Euxenite-(Y)] Beaver +1 other reference
ⓘ Guffey District; West Occurrence	[Euxenite-(Y)] - (2005)
ⓘ Meyers Ranch	[Columbite-(Fe)-Columbite-(Mn) Series] Hanley et al. (1950) +1 other reference
ⓘ Lake George Beryllium area (Badger Flats Beryllium area; Mountain Dale)	[Euxenite-(Y)] Eckel et al. (1997)
ⓘ McGuire pegmatite (Lone Lode; Lonesome pegmatite)	[Columbite-(Fe)] AmMin 84:754-763
ⓘ Park Border claim	[Columbite-(Mn)] Analyzed by Skip Simmons July 2012
Tarryall Park Spruce Grove campground ⓘ pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] Eckel et al. (1997)
Tarryall Springs Mining District (Puma City) ⓘ Christie Ward-Lucky Thirteen Mine	[Columbite-(Fe)-Columbite-(Mn) Series] Meeves et al. (1966)
ⓘ Redskin Stock	[Columbite-(Fe)-Columbite-(Mn) Series] Eckel et al. (1997)
ⓘ Topaz Mountain Gem Mine (Matucat Road deposits)	[Columbite-(Fe)] Dorris (2007)
ⓘ Wellington Lake pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] Rhiana E. Henry et al. (2016) +1 other reference
Pitkin County Columbia Mining District (Ashcroft Mining District) ⓘ Independence (Independence Pass)	[Euxenite-(Y)] Rudy Bologna
Routt County Mount Zirkel Mica Basin ⓘ Unnamed Pegmatite	[Euxenite-(Y)] Bankey +2 other references
Slavonia Mining District ⓘ Dennis D. Claims	[Euxenite-(Y)] - (2005)
ⓘ E. C. Ellis property	[Euxenite-(Y)] Eckel et al. (1997)
Saguache County Blake Mining District (Mirage Mining District; Cotton Creek Mining District) ⓘ Ram Lode and Pam Lode (Ramdohrite lode)	[Euxenite-(Y)] Eckel et al. (1997)
ⓘ Unnamed Pegmatite Mine (MRDS - 10013994)	[Euxenite-(Y)] - (2005)
Crestone Mining District (Baca Grant Mining District) ⓘ Blue Beard claims	[Euxenite-(Y)] Eckel et al. (1997)
ⓘ Bob Cat Mine	[Euxenite-(Y)] Eckel et al. (1997)
ⓘ I. Kreiner Mine	[Euxenite-(Y)] Eckel et al. (1997)
Hayden Pass Area ⓘ Blue Bird Claim	[Euxenite-(Y)] Eckel et al. (1997)
ⓘ Bluebird claims	[Euxenite-(Y)] Eckel et al. (1997)
ⓘ Mocking Bird Claim (Little Joe)	[Euxenite-(Y)] Eckel et al. (1997) +1 other reference
ⓘ Unnamed pegmatites	[Euxenite-(Y)] Eckel et al. (1997)
Teller County ⓘ Black Cloud Mine	[Columbite-(Fe)-Columbite-(Mn) Series] Meeves et al. (1966)
ⓘ Crystal Peak	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series] Eckel et al. (1997)
ⓘ Ray Ziegler pegmatite pocket	[Columbite-(Fe)-Columbite-(Mn) Series] Bull. Minéral.
ⓘ Smoky Hawk claim	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series] Joseph Dorris (2016)
ⓘ Wild Blue Indian prospect	[Columbite-(Fe)] Mathew Crystalman
Connecticut Fairfield County Bethel ⓘ Biermann Quarries (Bethel quarries; Codfish Hill Quarry)	[Columbite-(Fe)-Columbite-(Mn) Series] Januzzi et al. (1976) +1 other reference
Brookfield ⓘ State Route 133	[Columbite-(Fe)-Columbite-(Mn) Series] J. Zolan Specimen #93
Danbury ⓘ Agstone Company Limestone Quarry	[Columbite-(Fe)-Columbite-(Mn) Series] Januzzi et al. (1976) +1 other reference
Monroe ⓘ East Village pegmatite prospect	[Columbite-(Fe)-Columbite-(Mn) Series] Weber et al. (1995)
Newtown ⓘ Captain Cook's Quarry (Purdy Station Quarry)	[Columbite-(Fe)-Columbite-(Mn) Series] Earle C. Sullivan Collection specimen ... +1 other reference
ⓘ Redding	[Columbite-(Fe)-Columbite-(Mn) Series] Manchester (1931)
Branchville ⓘ Fillow Quarry	[Columbite-(Fe)] Cameron +6 other references
Ridgefield ⓘ Casey Quarry (Ridgefield pegmatite)	[Columbite-(Fe)-Columbite-(Mn) Series] Januzzi et al. (1976)
Hartford County Glastonbury East Glastonbury ⓘ Brack Gem prospect (Brack prospect)	[Columbite-(Fe)-Columbite-(Mn) Series] Jarnot (1995)
ⓘ Hale's Quarry	[Columbite-(Fe)-Columbite-(Mn) Series] Dana 6:892 & 1060.
ⓘ Knob Hill Quarry	[Columbite-(Fe)-Columbite-(Mn) Series] Schooner (1958)
South Glastonbury ⓘ Eureka Quarries ?	[Columbite-(Fe)-Columbite-(Mn) Series] Betts (1999)
ⓘ Griswold Quarry	[Columbite-(Fe)-Columbite-(Mn) Series] Betts (1999)
ⓘ Hollister prospects	[Columbite-(Fe)-Columbite-(Mn) Series] Betts (1999)
ⓘ Howe Quarry (Howe #1 Quarry; Huspband Quarry)	[Columbite-(Fe)] Betts (1999)
ⓘ Husband Quarries	[Columbite-(Fe)-Columbite-(Mn) Series] Betts (1999)
ⓘ Pegmatite prospects ?	[Columbite-(Fe)-Columbite-(Mn) Series] Betts (1999)
ⓘ Simpson prospect #1	[Columbite-(Fe), Columbite-(Mn)] Tony Albini Collection
ⓘ Simpson Quarry (Wiarda Quarry)	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series] P. Cristofono collection
ⓘ Spinelli prospect (Spinelli quarry)	[Columbite-(Fe)] Davis (2011) +1 other reference
Litchfield County Canaan Falls Village ⓘ Barrack Mountain	[Columbite-(Fe)-Columbite-(Mn) Series] Former Ed Force collection.
ⓘ Morris	[Columbite-(Fe)-Columbite-(Mn) Series] Weber et al. (1995)
ⓘ Morris Dam Quarry (East Morris Dam)	[Columbite-(Fe)-Columbite-(Mn) Series] Weber et al. (1995)
New Milford Upper Merryall ⓘ New England Mining Company Quarry	[Columbite-(Fe)] Elwell (1937)
Woodbury ⓘ Woodbury pegmatite quarry (Judson Quarry)	[Columbite-(Fe)-Columbite-(Mn) Series] Moritz (n.d.) +1 other reference
Middlesex County ⓘ Durham	[Columbite-(Fe)-Columbite-(Mn) Series] Personally collected by Adam Berluti in ...
ⓘ Mica Hills pegmatites and prospects	[Columbite-(Fe)-Columbite-(Mn) Series] Moritz (n.d.)
East Haddam Moodus ⓘ Mt. Tom prospects	[Columbite-(Fe)-Columbite-(Mn) Series] Schooner (1961)
East Hampton ⓘ Anderson No. 1 Mica Mine	[Columbite-(Fe)-Columbite-(Mn) Series, Columbite-(Mn)] Anthony J. Albini collection
ⓘ Anderson No. 2 Mica Mine ?	[Columbite-(Fe)] Tony Albini Collection
ⓘ Becker Quarry	[Columbite-(Fe)-Columbite-(Mn) Series] Schooner (1958, 1961)
ⓘ Clark Hill prospect	[Columbite-(Fe)-Columbite-(Mn) Series] Moritz (n.d.)
Cobalt ⓘ State Forest Quarry No. 2	[Columbite-(Fe)] King (n.d.)
ⓘ Halberg Quarries (Eureka Quarry; Cook Quarry; Gem Stone Quarry)	[Columbite-(Fe)-Columbite-(Mn) Series] Sterrett (1916)
ⓘ Hurd State Park quarries	[Columbite-(Fe)-Columbite-(Mn) Series] Ryerson (1972)
ⓘ Nathan Hall Quarry	[Columbite-(Fe)] Moritz (n.d.)
ⓘ Slocum prospect	[Columbite-(Fe)] Rocks & Min.: 12:145. +2 other references
ⓘ State Forest Quarry No. 1	[Columbite-(Fe)] Moritz (n.d.)
ⓘ Worth and Selden Quarries (Victoria Quarry)	[Columbite-(Fe)-Columbite-(Mn) Series] Cameron et al (1954)
Haddam ⓘ Arnold Quarry	[Columbite-(Fe)-Columbite-(Mn) Series] Harold Moritz collection (former Ronald Januzzi collection)
ⓘ Chrysoberyl locality	[Columbite-(Fe)] Torrey (1822a) +2 other references
ⓘ Civilian Conservation Corps prospect (CCC prospect; Cook columbite prospect)	[Columbite-(Fe)] Hunt (1852)
Haddam Neck ⓘ Gillette Quarry (J-J Mine; Haddam Neck Quarry)	[Columbite-(Fe)] Bowman (1902) +1 other reference
ⓘ Quarry Hill (Brainerd Quarries; Shailor Quarries)	[Columbite-(Fe)-Columbite-(Mn) Series] Moritz (n.d.)
ⓘ Rock Landing Quarry (Capt. Rohrback Quarry)	[Columbite-(Fe)] Montague (1937) +1 other reference
ⓘ Hewitt Gem Quarry (Herb's Gem Quarry; Sawmill Quarry)	[Columbite-(Fe)-Columbite-(Mn) Series] Moritz (n.d.)
ⓘ Jail Hill Road locality (Jail Hill Quarry)	[Columbite-(Fe)-Columbite-(Mn) Series] Moritz (n.d.)
ⓘ John Salak Quarry	[Columbite-(Fe)] Schairer (1931)
ⓘ ~~Nathaniel Cook house~~	[Columbite-(Fe)-Columbite-(Mn) Series] Shepard et al. (1870) +1 other reference
ⓘ State Route 9 Interchange 13 - Beaver Meadow Road	[Columbite-(Fe)-Columbite-(Mn) Series] Yedlin (1967)
Middletown ⓘ Tollgate Quarry (Tollgate Mine; Bidwell Quarry; China-stone Quarry)	[Columbite-(Fe)] Dana (1837) +2 other references
White Rock Mining District ⓘ Riverside Quarry (Western Quarry)	[Columbite-(Fe)] Moritz (n.d.)
ⓘ White Rocks Quarry (Consolidated Quarry)	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series] Moritz (n.d.) +1 other reference
Portland ⓘ Andrews Quarry (old Hale Quarry; Grandfather Andrews Quarry)	[Columbite-(Fe)] Rocks & Min.: 16: 164-167. +2 other references
ⓘ Bordonaro Quarry	[Columbite-(Fe)] Moritz (n.d.)
ⓘ Case Quarries	[Columbite-(Fe)] Cameron et al. (1954)
ⓘ Case Quarry No. 1	[Columbite-(Fe)] Harold Moritz Collection
ⓘ Case Quarry No. 2	[Columbite-(Fe)] Webster (1978)
ⓘ Case Quarry No. 3	[Columbite-(Fe)] Cameron et al. (1954)
Collins Hill ⓘ Hale-Walker prospects	[Columbite-(Fe)-Columbite-(Mn) Series] Cameron et al. (1954) +2 other references
ⓘ Strickland pegmatite	[Columbite-(Mn)] Vandall Thomas King Collection
ⓘ Strickland Quarry	[Columbite-(Fe), Euxenite-(Y)] Ralph Lieser of Pappy’s Beryl Shop +3 other references
ⓘ Hale Quarry (Andrews Quarry; Glastonbury Quarry)	[Columbite-(Fe)] Foye (1922) +1 other reference
ⓘ Pelton's Quarry	[Columbite-(Fe)-Columbite-(Mn) Series] Rocks & Min.: 70:403
ⓘ Penfield Quarry (Oak Leaf Quarry)	[Columbite-(Fe)] Rocks & Min.: 12:145. +1 other reference
ⓘ Walden Gem Quarry	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series] Seaman (1963)
New Haven County Southbury Southford ⓘ Curtis Quarry	[Columbite-(Fe)-Columbite-(Mn) Series] Weber et al. (1995) +1 other reference
New London County ⓘ New London ?	[Columbite-(Fe)-Columbite-(Mn) Series] Dana's System of Mineralogy 7th edition ...
ⓘ Columbite locality (Nameaug; Nautneauge; Naumeag; Naumeaug) ?	[Columbite-(Fe)-Columbite-(Mn) Series] Mease (1807)
Georgia Banks County ⓘ J. A. Hills property	[Columbite-(Fe)-Columbite-(Mn) Series] Cook (1978)
Cherokee County Ball Ground Mining District Ball Ground ⓘ Amphlett Mica Mine (Franklin Mine)	[Columbite-(Fe)] Rocks & Min.:64:189.
Fayette County ⓘ Porter Prospect	[Columbite-(Fe)-Columbite-(Mn) Series] - (2005)
Paulding County Hiram ⓘ C. W. Dean Mine (Dean Mine)	[Columbite-(Fe)] Rocks & Min.:64:202.
Putnam County ⓘ Camp Rock Eagle	[Columbite-(Fe)-Columbite-(Mn) Series, Euxenite-(Y)] Cook (1978)
Troup County LaGrange ⓘ Minerals Processing Company Mine (Foley Mine)	[Columbite-(Fe)] Rocks & Min.: 64:204.
ⓘ Minerals Processing Company Mine No. 8 (Hogg Estate Mine)	[Columbite-(Fe)] Rocks & Minerals 81:180-186
ⓘ Will Stevens property	[Columbite-(Fe)-Columbite-(Mn) Series] Cook (1978)
Smiths Crossroad ⓘ Hogg Mine (Oxford Mine)	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series] USGS GEOLOGICAL SURVEY PROFESSIONAL ...
ⓘ L. M. Mulky property	[Columbite-(Fe)-Columbite-(Mn) Series] Cook (1978)
Idaho Boise County ⓘ Banner Mining District	[Euxenite-(Y)] Ream (1995)
ⓘ Boise Basin Mining District	[Columbite-(Fe)-Columbite-(Mn) Series] Ream (1995)
ⓘ Fall Creek Placers	[Columbite-(Fe)-Columbite-(Mn) Series, Euxenite-(Y)] Ream (2004)
ⓘ Centerville Mining District	[Euxenite-(Y)] Ream (2004)
Garden Valley Mining District ⓘ Bowman prospect	[Columbite-(Fe)-Columbite-(Mn) Series, Euxenite-(Y)] - (2005)
ⓘ Mirandeborde prospect	[Columbite-(Fe)-Columbite-(Mn) Series] Ream (1995)
ⓘ Vaught - Columbite Mine (Elsie Mica Claim; Peck; Columbite)	[Columbite-(Fe)-Columbite-(Mn) Series] Ream (1995)
Idaho City Mining District ⓘ Elk and Moores Creeks	[Columbite-(Fe)-Columbite-(Mn) Series, Euxenite-(Y)] Ream (2004)
ⓘ Idaho City	[Columbite-(Fe)-Columbite-(Mn) Series] Ream (1995)
ⓘ Idaho City Hg-Coltan occurrence	[Columbite-(Fe)-Columbite-(Mn) Series] - (2005)
ⓘ Moores Creek Dredging Company Mine	[Columbite-(Fe)-Columbite-(Mn) Series, Euxenite-(Y)] Ream (2004)
Redfish Lake area Unorganized District ⓘ Payette placer	[Columbite-(Fe)-Columbite-(Mn) Series, Euxenite-(Y)] Ream (2004) +1 other reference
Custer County Robinson Bar Mining District ⓘ Centauras Workings Placer	[Euxenite-(Y)] - (2005)
ⓘ The Great Centennial Placer	[Euxenite-(Y)] - (2005)
Stanley Basin Mining District ⓘ Kelley Creek Placer	[Euxenite-(Y)] - (2005)
Stanley ⓘ Kelley Gulch	[Euxenite-(Y)] Ream (2004)
Yankee Fork Mining District ⓘ Jordan Creek Placer	[Euxenite-(Y)] - (2005)
Elmore County Rocky Bar Mining District ⓘ Dismal Swamp Placer Mine	[Columbite-(Fe)-Columbite-(Mn) Series] USGS Bull 1042K +1 other reference
Idaho County Dixie Mining District ⓘ Crooked Creek Placer (Dixie)	[Euxenite-(Y)] - (2005)
Elk City Mining District ⓘ Tyee Placer	[Euxenite-(Y)] - (2005)
Resort Mining District ⓘ Thorpe Placer (Robert; Thorpe; Toler and Thorp; Royal)	[Columbite-(Fe)-Columbite-(Mn) Series] - (2005)
Lemhi County Lemhi Pass Mining District ⓘ Black Bear Prospect	[Euxenite-(Y)] - (2005)
McDevitt Mining District ⓘ Lone Star No. 2 Occurrence (Idaho Thorium Showing No. 1)	[Euxenite-(Y)] - (2005)
ⓘ Silver Queen No. 35 Occurrence (Idaho Thorium Showing No. 4)	[Euxenite-(Y)] - (2005)
ⓘ Sawtooth Batholith	[Columbite-(Fe)] Rocks & Min. 70:246 +3 other references
Valley County Bear Valley Area ⓘ Bear Valley Placers (Lower Bear Valley; Big Meadows; Central Bear Valley)	[Euxenite-(Y)] - (2005)
ⓘ Big Meadow	[Euxenite-(Y)] - (2005)
ⓘ Gold Eagle	[Euxenite-(Y)] - (2005)
ⓘ Grinibun Occurrence	[Euxenite-(Y)] - (2005)
ⓘ Little Brown Jug	[Columbite-(Fe)-Columbite-(Mn) Series, Euxenite-(Y)] - (2005)
ⓘ Monazite Group	[Euxenite-(Y)] - (2005)
ⓘ Porter Placer	[Euxenite-(Y)] - (2005)
ⓘ Samarskite	[Columbite-(Fe)-Columbite-(Mn) Series, Euxenite-(Y)] - (2005)
Unorganized District ⓘ Bear Valley Placers	[Columbite-(Fe)-Columbite-(Mn) Series, Euxenite-(Y)] - (2005)
ⓘ War Eagle Group	[Euxenite-(Y)] - (2005)
ⓘ Whitehawk	[Euxenite-(Y)] - (2005)
ⓘ Bear Valley Placer	[Columbite-(Fe)-Columbite-(Mn) Series, Euxenite-(Y)] - (2005)
Deadwood Mining District ⓘ Deadwood Placer Deposit	[Columbite-(Fe)-Columbite-(Mn) Series] - (2005)
ⓘ Heavy Mineral Placer	[Columbite-(Fe)-Columbite-(Mn) Series, Euxenite-(Y)] - (2005)
Illinois Hardin County Hicks ⓘ Hicks Dome	[Euxenite-(Y)] McIntosh et al. (2026)
ⓘ First State Bank property	[Euxenite-(Y)] McIntosh et al. (2026)
Maine Androscoggin County Auburn East Mount Apatite Mining District ⓘ Greenlaw Quarry	[Columbite-(Mn)]
ⓘ Maine Feldspar Quarry	[Columbite-(Mn)]
ⓘ Turner Quarries	[Columbite-(Fe)] King (n.d.)
West Mount Apatite Mining District ⓘ Groves Quarry (Hole in the Ground Quarry)	[Columbite-(Mn)] King et al. (1994) +1 other reference
ⓘ Keith Quarry (Towne Quarry)	[Columbite-(Fe)-Columbite-(Mn) Series, Columbite-(Mn)] King et al. (1994) +1 other reference
ⓘ Pulsifer Quarry & Dionne extension	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series, Columbite-(Mn)] Rocks and Minerals (1997)
Minot ⓘ Minot #2 prospect	[Columbite-(Fe)] Clifford Trebilcock
ⓘ Pitts-Tenney pegmatite prospect	[Columbite-(Fe)] King (n.d.) +1 other reference
Poland ⓘ Berry-Havey Quarry	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series, Columbite-(Mn)] Jeffrey Morrison et al. (2018)
Aroostook County T15 R6 WELS Pennington Mountain ⓘ REE-Nb-Zr occurrence	[Columbite-(Fe)-Columbite-(Mn) Series, Euxenite-(Y)] Wang et al. (2023) +2 other references
Cumberland County Baldwin West Baldwin ⓘ Estes Quarry	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series] Rocks & Min. (May, 1999) +1 other reference
Brunswick ⓘ LaChance Quarry	[Columbite-(Fe)] Cameron +2 other references
Pownal ⓘ Tash Ledge locality	[Columbite-(Fe)] Morrill
ⓘ Tryon Mountain Quarries	[Columbite-(Fe)] King et al. (1994)
Standish Oak Hill area ⓘ Oak Hill columbite locality	[Columbite-(Fe)] King et al. (1994)
Franklin County D Township ⓘ Bemis Stream prospect	[Columbite-(Mn)] W. B. Thompson et al. (2005)
Oxford County Albany ⓘ Bumpus Quarry	[Columbite-(Fe)] King (2009)
ⓘ Charles Pingree Ledge Quarry	[Columbite-(Fe)] King (2009)
ⓘ Guy Johnson Quarry	[Columbite-(Fe)] King (2009)
ⓘ Scribner Ledge Quarry	[Columbite-(Fe)] King (2009)
ⓘ Songo Pond Quarry (Kimball Ledge Quarry)	[Columbite-(Fe)] King (2009)
ⓘ Wentworth Quarry	[Columbite-(Fe)] King (2009)
Buckfield ⓘ Bennett Quarry	[Columbite-(Mn)] King (2000)
ⓘ Orchard Quarry	[Columbite-(Fe)] SEM-EDS analysis of the ferrocolumbite +2 other references
Gilead ⓘ Wheeler Quarries	[Columbite-(Fe)] King (2009)
Greenwood ⓘ Hayes Ledge Quarries (East and West)	[Columbite-(Fe)]
ⓘ Heikkinen Quarry	[Columbite-(Fe)] King (n.d.)
ⓘ Noyes Mountain Quarry (Harvard Quarry)	[Columbite-(Mn)] Scott Whittemore
ⓘ Tamminen Quarry	[Columbite-(Fe)-Columbite-(Mn) Series, Columbite-(Mn)] W. B. Thompson et al. (2005)
Uncle Tom Mountain ⓘ Emmons Quarry	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series, Columbite-(Mn)] Falster et al. (2006) +2 other references
ⓘ West Greenwood prospect	[Columbite-(Fe)-Columbite-(Mn) Series] Gary Powell
Hebron Mount Rubellite ⓘ Hibbs Quarry	[Columbite-(Fe)] King (n.d.) +2 other references
ⓘ Mount Rubellite Quarries	[Columbite-(Mn)] King (n.d.)
ⓘ Streaked Mountain	[Columbite-(Fe)-Columbite-(Mn) Series] Gary Powell
ⓘ Streaked Mountain localities	[Columbite-(Fe)-Columbite-(Mn) Series] various added photos
Newry ⓘ Bell pit	[Columbite-(Fe)] King et al. (1994) +1 other reference
ⓘ Crooker Gem Pegmatite Quarries	[Columbite-(Fe), Columbite-(Mn)] King et al. (1994) +1 other reference
ⓘ Dunton Gem Quarry	[Columbite-(Mn)] King et al. (1994) +1 other reference
ⓘ Kinglet Prospect	[Columbite-(Fe)] Hess et al.
ⓘ Nevel Quarry	[Columbite-(Fe)] King et al. (6)
ⓘ Plumbago North Pegmatite	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series, Columbite-(Mn)] Simmons et al. (2022)
ⓘ Rose Quartz crystal locality (Pegmatite 24)	[Columbite-(Fe)] King et al. (6) +1 other reference
ⓘ Timberlands Lithium Pegmatite Prospect	[Columbite-(Fe)] King (n.d.)
Norway ⓘ B.B. No. 7 Quarry	[Columbite-(Mn)]
ⓘ Dunn Quarry	[Columbite-(Fe)] King (2000)
ⓘ Horse Hill locality	[Columbite-(Fe)] King (n.d.)
Paris ⓘ Hooper Ledge Quarry	[Columbite-(Fe)] King et al. (1994) +1 other reference
ⓘ Little Singepole Mountain prospects	[Columbite-(Fe)-Columbite-(Mn) Series] Cameron +1 other reference
ⓘ Mount Marie Quarries	[Columbite-(Fe), Columbite-(Mn)] King (n.d.)
ⓘ Mount Mica Quarry	[Columbite-(Fe)-Columbite-(Mn) Series, Columbite-(Mn)] King et al. (1994) +1 other reference
ⓘ Ryerson Hill Quarries	[Columbite-(Fe)] King (n.d.) +1 other reference
ⓘ Slattery Quarry	[Columbite-(Fe)] King (n.d.)
Peru ⓘ Perry Petalite prospect	[Columbite-(Fe), Columbite-(Mn)] Dionne et al. (2014)
Rumford ⓘ Black Mountain Quarry	[Columbite-(Fe), Columbite-(Mn)] Wise +1 other reference
ⓘ Frank Perham prospect	[Columbite-(Fe)] King (n.d.)
ⓘ Goddard Ledge Quarry (Ford Hill Quarry; Roy Ledge Quarry; Silver Ledge Quarry)	[Columbite-(Fe)-Columbite-(Mn) Series]
ⓘ Lookout Quarry	[Columbite-(Fe)] Tim Blake and Scott Soucey specimens
ⓘ Pechnic prospect	[Columbite-(Fe)] King (n.d.)
ⓘ Red Hill quarries	[Columbite-(Fe)] King (n.d.)
Stoneham ⓘ Cole Quarry	[Columbite-(Fe)] King (n.d.) +1 other reference
ⓘ Lord Hill Quarry (Lord Hill Mine)	[Columbite-(Fe)] Bastin (1911) +1 other reference
Sugarloaf Mountain ⓘ Beryllonite locality	[Columbite-(Fe)-Columbite-(Mn) Series] Bastin (1911)
Stow ⓘ Deer Hill	[Columbite-(Fe)] King et al. (1994)
ⓘ Intergalactic Pit	[Columbite-(Fe)] King (n.d.)
Waterford ⓘ Knight #1 and #2 Quarries	[Columbite-(Fe)] Barton (1968) +1 other reference
ⓘ Saunders Mica Quarry	[Columbite-(Fe)]
Sagadahoc County Bowdoin ⓘ Booker West Quarry	[Columbite-(Fe)] John Raymond
ⓘ Coombs Quarries	[Columbite-(Fe)] Cameron +2 other references
Georgetown ⓘ Howard-Collins Quarry	[Columbite-(Fe), Columbite-(Mn)] King et al. (1994)
Phippsburg ⓘ Robbins Quarry	[Columbite-(Fe)] Morrill
Topsham Cathance River Nature Preserve ⓘ Swamp #1 Quarry	[Columbite-(Fe)] King et al. (1994)
ⓘ Swamp #2 quarry	[Columbite-(Fe)] King et al. (1994)
ⓘ Fisher Quarry	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series, Columbite-(Mn)]
Highland Green ⓘ Consolidated #1 Quarry	[Columbite-(Fe)] King et al. (1994)
ⓘ Consolidated #2 Quarry (Purington Quarry)	[Columbite-(Fe)] King et al. (1994)
ⓘ Mount Ararat Quarries	[Columbite-(Fe)] Bastin (1911) +2 other references
ⓘ Metcalf Quarry	[Columbite-(Fe)] King et al. (1994)
ⓘ Porcupine Hill Quarry	[Columbite-(Fe)] King et al. (1994) +1 other reference
ⓘ Russell Brothers Quarry	[Columbite-(Fe)] Cameron +2 other references
ⓘ Standpipe Hill Quarries	[Columbite-(Fe), Euxenite-(Y)] King et al. (1994) +1 other reference
ⓘ Yedlin Locality	[Columbite-(Fe)] Moritz (n.d.) +1 other reference
ⓘ Staples Quarry	[Columbite-(Fe)] King et al. (1994) +1 other reference
ⓘ Trenton Quarry	[Columbite-(Fe)] King et al. (1994) +1 other reference
ⓘ William Willes #1 Quarry	[Columbite-(Fe)]
Maryland Howard County Scaggsville ⓘ Ben Murphy Mica Mine	[Columbite-(Fe)-Columbite-(Mn) Series] Mines of the Washington D.C Area
Massachusetts Essex County Andover ⓘ Routes 125 and 28 interchange road cuts	[Columbite-(Fe)-Columbite-(Mn) Series] Gleba (2008)
Franklin County ⓘ Northfield	[Columbite-(Fe)-Columbite-(Mn) Series] Emerson (1917)
Hampden County Blandford ⓘ Blandford mica mines	[Columbite-(Fe)-Columbite-(Mn) Series] "Western Massachusetts Mineral ...
Chester ⓘ Chester Mica Mine	[Columbite-(Fe)-Columbite-(Mn) Series] Plante (1992)
Hampshire County Chesterfield ⓘ Clark Ledge pegmatite locality	[Columbite-(Fe), Columbite-(Mn)] "Western Massachusetts Mineral ...
ⓘ West Chesterfield Hollow pegmatite locality	[Columbite-(Fe)-Columbite-(Mn) Series] Emerson (1917)
Goshen ⓘ Barrus farm pegmatite localities	[Columbite-(Fe)-Columbite-(Mn) Series, Columbite-(Mn)] Peter Cristofono collection
Huntington (Norwich) ⓘ Walnut Hill Pegmatite prospect	[Columbite-(Fe)-Columbite-(Mn) Series] Rocks & Min. 29:339-43. (1954)
Middlesex County Holliston ⓘ Miller Hill Quarry (Jursek's Crushstone Quarry)	[Columbite-(Fe)-Columbite-(Mn) Series] Cahoon (1985)
Marlborough ⓘ Interstate 290/Interstate 495 interchange road cuts ?	[Euxenite-(Y)] L. W. White (Rocks & Minerals May 1997)
Norfolk County Braintree ⓘ Gun Club Pegmatite locality	[Columbite-(Fe)] Ex: Andrew Abban Collection 1993
Worcester County Fitchburg ⓘ Rollstone Hill Quarries ?	[Columbite-(Fe)-Columbite-(Mn) Series] Rocks & Min.: 13:245.
Leominster ⓘ Long Hill	[Columbite-(Fe)-Columbite-(Mn) Series] Richmond et al. (1938)
ⓘ Sterling	[Columbite-(Fe)-Columbite-(Mn) Series] Richmond et al. (1938)
Michigan ⓘ Dickinson County	[Columbite-(Fe)-Columbite-(Mn) Series] Heinrich et al. (2004)
Randville ⓘ Unnamed Pegmatite quarry ("Groveland" pegmatite)	[Columbite-(Fe)] Heinrich et al. (2004) +1 other reference
ⓘ Sturgeon River Pegmatite Quarry	[Columbite-(Fe)] Personally collected and observed in ...
ⓘ Marquette County	[Columbite-(Fe)-Columbite-(Mn) Series, Euxenite-(Y)] Heinrich et al. (2004)
Humboldt Township ⓘ Black River pegmatite	[Columbite-(Fe)] Columbite- (Fe)
ⓘ Crockley pegmatite	[Columbite-(Fe), Euxenite-(Y)] Travis Olds collection
ⓘ Grizzly pegmatite	[Euxenite-(Y)] Rebecca A. Simmons (2009)
ⓘ Unnamed outcrop (2)	[Columbite-(Fe), Euxenite-(Y)] Heinrich et al. (2004)
Republic ⓘ Humboldt granite	[Columbite-(Fe)] Buchholz et al. (2013)
Republic Township Republic ⓘ Unnamed pegmatite (3)	[Columbite-(Fe)] Heinrich et al. (2004)
Montana Granite County Rock Creek Mining District ⓘ Sand Basin placers	[Euxenite-(Y)] Gobla (2012)
Sapphire Mountains Area ⓘ Sand Basin Occurrence	[Euxenite-(Y)] - (2005)
Hill County ⓘ Bearpaw Mountains	[Columbite-(Fe)-Columbite-(Mn) Series] Ransom (1974)
Madison County ⓘ Sappington deposit	[Euxenite-(Y)] Am Min 50:2083-2088
ⓘ Ravalli County	[Euxenite-(Y)] Ransom (1974)
Mineral Point Mining District Alta ⓘ Dark Star group (Dark Star claim; Sheep Creek Adit No. 1; Sheep Creek Adit No. 2)	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series] Tucker (n.d.) +2 other references
ⓘ Beaver Creek Occurrence	[Columbite-(Fe)-Columbite-(Mn) Series] - (2005)
ⓘ Columbine claims (Columbite Occurrence (MRDS - 10221637))	[Columbite-(Fe)] Gobla (2012)
ⓘ Rocky Point No. 1 Occurrence	[Columbite-(Fe)-Columbite-(Mn) Series] Heinrich et al. (1961)
ⓘ Sheep Creek	[Columbite-(Fe)-Columbite-(Mn) Series] Heinrich et al. (1962) +1 other reference
ⓘ Tirebiter No. 5 & No. 6 prospect (Tirebiter claim; Mona Lisa)	[Columbite-(Fe)] Gobla (2012)
ⓘ Woods Creek Deposits	[Columbite-(Fe)-Columbite-(Mn) Series] - (2005)
Rye Creek Mining District ⓘ Mace Prospect (Long Prospect)	[Columbite-(Fe)] Tucker (n.d.) +1 other reference
ⓘ Rye Creek Prospect	[Columbite-(Fe)-Columbite-(Mn) Series] - (2005)
Nevada Clark County ⓘ Eldorado Mountains	[Columbite-(Fe)] Castor et al. (2004)
Eldorado Mining District (Colorado Mining District) ⓘ Newberry prospect	[Columbite-(Fe)] Castor et al. (2004)
ⓘ Gold Butte Mining District	[Columbite-(Fe)-Columbite-(Mn) Series] Castor et al. (2004)
New York Mountains Crescent Mining District ⓘ Superior-Nevada Mine	[Columbite-(Fe)-Columbite-(Mn) Series] Castor et al. (2004)
ⓘ Newberry Mountains	[Columbite-(Fe)] Castor et al. (2004)
Elko County ⓘ Gilbert Canyon Mining District	[Columbite-(Fe)-Columbite-(Mn) Series] LaPointe et al. (199)
ⓘ Unnamed Beryl prospect (MRDS10045568)	[Columbite-(Fe)-Columbite-(Mn) Series] - (2005)
ⓘ Unnamed prospect	[Columbite-(Fe)-Columbite-(Mn) Series] USGS Open-File Report 76-56 +1 other reference
ⓘ Unnamed prospect (2)	[Columbite-(Fe)-Columbite-(Mn) Series] USGS Open-File Report 76-56
Harrison Pass Mining District ⓘ Star Tungsten Mine (Star Mine; Ogilvie Mine; Harrison Pass Mine)	[Columbite-(Fe)-Columbite-(Mn) Series] Castor et al. (2004)
Ruby Valley Mining District ⓘ M. W. Young property	[Columbite-(Fe)-Columbite-(Mn) Series] Castor et al. (2004)
Esmeralda County Tokop Mining District Tule Canyon ⓘ Unnamed placers	[Columbite-(Fe)-Columbite-(Mn) Series, Euxenite-(Y)] Castor et al. (2004)
White Mountains ⓘ Lucky Susan No. 1 prospect	[Euxenite-(Y)] NBMG Bull 78 Geology and Mineral ...
Mineral County Buena Vista Mining District ⓘ Lucky Susan Prospect ?	[Euxenite-(Y)] Ross (1961) +1 other reference
Fitting Mining District Gillis Range ⓘ Zapot Pegmatite	[Columbite-(Mn)] Foord et al. (1999)
Washoe County ⓘ Dogskin Mountain Mining District	[Columbite-(Fe)] Russ Rizzo Collection (analyzed by J. Attard)
White Pine County Robinson Mining District Ely ⓘ Garnet Hill	[Columbite-(Fe)] Castor et al. (2004)
New Hampshire Carroll County Albany Blue Mountain ⓘ Moose pocket	[Columbite-(Fe)] Rocks & Min. July-Aug 2005 +1 other reference
ⓘ Government pit	[Columbite-(Mn)] Rocks&Min. 67:158-168
ⓘ Pyrochlore pocket	[Columbite-(Fe)] Rocks & Minerals (1990)
Conway North Conway ⓘ Black Cap	[Columbite-(Fe)] Camp (2011)
Redstone ⓘ Redstone "Red Granite" quarry	[Columbite-(Fe)] Camp (2011)
Wakefield ⓘ Ham and Weeks Mine	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series, Columbite-(Mn)] Rocks & Min. 80:256 (2005)
Cheshire County ⓘ Alstead	[Columbite-(Fe)-Columbite-(Mn) Series] Meyers et al. (1956)
ⓘ George Porter Quarry ?	[Columbite-(Fe)-Columbite-(Mn) Series]
Marlow ⓘ Turner Mine	[Columbite-(Mn)] Czaja (2025)
Walpole ⓘ Chickering Mine	[Columbite-(Fe)-Columbite-(Mn) Series, Columbite-(Mn)] Cristofono (n.d.)
Grafton County Alexandria ⓘ E.E. Smith Mine	[Columbite-(Fe)] Morrill +1 other reference
ⓘ Bullock Quarry	[Columbite-(Fe)-Columbite-(Mn) Series] Cameron et al. (1954)
ⓘ Pattuck Quarry	[Columbite-(Fe)] Morrill +2 other references
Grafton ⓘ Ruggles Mine	[Columbite-(Fe)] Morrill +1 other reference
Groton ⓘ Palermo No. 1 Mine	[Columbite-(Fe)]
ⓘ Palermo No. 2 Mine	[Columbite-(Fe)] Whitmore et al. (2004)
ⓘ Rice Quarry	[Columbite-(Fe)-Columbite-(Mn) Series] Rocks & Min 80:252
ⓘ Valencia Mine	[Columbite-(Fe)] Smith (2005)
Merrimack County ⓘ Andover	[Columbite-(Fe)-Columbite-(Mn) Series] Meyers et al. (1956)
Rockingham County ⓘ Epping	[Columbite-(Fe)-Columbite-(Mn) Series] Lavinsky (n.d.)
Raymond ⓘ Blake-Welch Mines	[Columbite-(Fe)-Columbite-(Mn) Series] Smith (2005)
ⓘ Chandler Mine	[Columbite-(Fe), Columbite-(Mn)] USGS Prof Paper 353 +2 other references
ⓘ Corson Mine	[Columbite-(Fe)-Columbite-(Mn) Series] Nicolay & Stone. Rocks and Minerals: A ... +1 other reference
ⓘ Guinae prospect	[Columbite-(Fe)-Columbite-(Mn) Series] USGS Prof Paper 353
ⓘ McGall mine	[Columbite-(Fe)-Columbite-(Mn) Series] USGS Prof Paper 353
ⓘ Smith No. 1 Mine	[Columbite-(Fe)-Columbite-(Mn) Series] Nicolay & Stone. Rocks and Minerals: A ... +3 other references
ⓘ Vacher Mine	[Columbite-(Fe)-Columbite-(Mn) Series] USGS Prof Paper 353 +1 other reference
Strafford County Farmington ⓘ Chesley Mountain prospect	[Columbite-(Fe)-Columbite-(Mn) Series]
Strafford ⓘ Parker Mountain Mine	[Columbite-(Fe)-Columbite-(Mn) Series, Columbite-(Mn)] Rocks & Min. 39:355 (1964)
Sullivan County ⓘ Acworth	[Columbite-(Fe)] King (n.d.)
South Acworth ⓘ Beryl Mountain Quarry ?	[Columbite-(Fe)-Columbite-(Mn) Series] Jeremy Zolan Collection +1 other reference
Claremont ⓘ Sargent Mine	[Columbite-(Fe)-Columbite-(Mn) Series] Smith (2005)
Unity ⓘ Lemiere prospect	[Columbite-(Fe)-Columbite-(Mn) Series] Barton (1968)
New Jersey Sussex County Vernon Township McAfee ⓘ McAfee Quarry ?	[Columbite-(Fe)] van Rossen (2026)
New Mexico Doña Ana County Organ Mountains ⓘ Organ Mining District	[Euxenite-(Y)] Northrop et al. (1996)
Grant County ⓘ Burro Mountains Mining District	[Euxenite-(Y)] Northrop et al. (1996)
ⓘ Gold Hill Mining District	[Euxenite-(Y)] - (2005)
ⓘ South Pegmatite	[Euxenite-(Y)] - (2005)
ⓘ White Rock Mine	[Euxenite-(Y)] Gillerman (1964)
ⓘ Rabb Canyon	[Columbite-(Fe)] Northrup
ⓘ Unnamed prospect [10094701]	[Euxenite-(Y)] - (2005)
White Signal Mining District ⓘ High Noon No. 1	[Euxenite-(Y)] - (2005)
ⓘ Russell pegmatite	[Euxenite-(Y)] Gillerman (1964)
ⓘ Unnamed prospect [10014663]	[Euxenite-(Y)] - (2005)
ⓘ Wheatly Pegmatite	[Euxenite-(Y)] Gillerman (1964)
Mora County ⓘ Pidlite deposit	[Columbite-(Fe)-Columbite-(Mn) Series] Northrop et al. (1996)
Rio Arriba County Bromide No. 2 District Kiawa Mountain Kiawa Group (Kiawa; South Kiawa; Buena Vista; Green Peak) ⓘ Kiawa Mine	[Columbite-(Fe)-Columbite-(Mn) Series] - (2005)
ⓘ De Aragon deposit	[Columbite-(Fe)-Columbite-(Mn) Series] Jahns (1946)
Ojo Caliente Mining District ⓘ Joseph mine	[Columbite-(Fe)-Columbite-(Mn) Series] Jahns (1946) +1 other reference
ⓘ Petaca Mining District	[Columbite-(Fe)-Columbite-(Mn) Series, Columbite-(Mn), Euxenite-(Y)] Northrop et al. (1996) +2 other references
Alamos area ⓘ Alamos deposit (Parker deposit)	[Columbite-(Fe)-Columbite-(Mn) Series, Columbite-(Mn)] Michael N. Spilde et al. (2011)
ⓘ Alto deposit	[Columbite-(Fe)-Columbite-(Mn) Series] Jahns (1946)
ⓘ Carmelita deposit	[Columbite-(Fe)-Columbite-(Mn) Series] Jahns (1946)
ⓘ Guadalupe deposit	[Columbite-(Fe)-Columbite-(Mn) Series] Jahns (1946)
ⓘ Hillside deposit	[Columbite-(Fe)-Columbite-(Mn) Series] Jahns (1946)
ⓘ Little Julia deposit	[Columbite-(Fe)-Columbite-(Mn) Series] Jahns (1946)
ⓘ Little Julia No. 1 deposit	[Columbite-(Fe)-Columbite-(Mn) Series] Jahns (1946)
ⓘ Red claim (Peacock claim)	[Columbite-(Fe)-Columbite-(Mn) Series] Jahns (1946) +1 other reference
ⓘ Sunnyside mine	[Columbite-(Fe)-Columbite-(Mn) Series] Jahns (1946) +2 other references
ⓘ White Pegmatite (Lyons deposit)	[Columbite-(Fe)-Columbite-(Mn) Series] Jahns (1946) +1 other reference
Cribbenville area ⓘ Blanca deposit	[Columbite-(Fe)-Columbite-(Mn) Series] Jahns (1946)
ⓘ Bluebird No. 2 deposit	[Columbite-(Fe)-Columbite-(Mn) Series] Jahns (1946)
ⓘ Bonanza deposit	[Columbite-(Fe)-Columbite-(Mn) Series] Jahns (1946)
ⓘ Capitan deposit	[Columbite-(Fe)-Columbite-(Mn) Series] Jahns (1946) +1 other reference
ⓘ Cribbenville deposit (New Cribbenville)	[Columbite-(Fe)-Columbite-(Mn) Series] Jahns (1946) +1 other reference
ⓘ Fleetland deposit	[Columbite-(Fe)-Columbite-(Mn) Series] Jahns (1946)
ⓘ Fridlund deposit	[Columbite-(Fe)-Columbite-(Mn) Series] Jahns (1946) +2 other references
ⓘ Gabaldone deposit (Gavalon)	[Columbite-(Fe)-Columbite-(Mn) Series] Jahns (1946)
ⓘ Nambe deposit	[Columbite-(Fe)-Columbite-(Mn) Series] Jahns (1946) +1 other reference
ⓘ North Cribbenville deposit (Old Cribbenville; Cribbens deposit)	[Columbite-(Fe)-Columbite-(Mn) Series] Jahns (1946) +1 other reference
ⓘ Pavo deposit	[Columbite-(Fe)-Columbite-(Mn) Series] Jahns (1946)
ⓘ Pino Verde deposit (Luna deposit)	[Columbite-(Fe)-Columbite-(Mn) Series] Jahns (1946) +2 other references
ⓘ Teddy deposit	[Columbite-(Fe)-Columbite-(Mn) Series] Jahns (1946)
ⓘ Teddy No. 2 deposit	[Columbite-(Fe)-Columbite-(Mn) Series] Jahns (1946)
La Jarita-Apache area ⓘ Apache No. 1 Mine (Porter; Blue)	[Columbite-(Fe)-Columbite-(Mn) Series] Jahns (1946) +2 other references
ⓘ Blue Bird deposit	[Columbite-(Fe)-Columbite-(Mn) Series, Euxenite-(Y)] Michael N. Spilde et al. (2011)
ⓘ Coats Pegmatite (American)	[Columbite-(Fe)-Columbite-(Mn) Series] Jahns (1946)
ⓘ Conquistidor deposit (Augusta deposit)	[Columbite-(Fe)-Columbite-(Mn) Series] Jahns (1946)
ⓘ Coyote deposit (California deposit)	[Columbite-(Fe)-Columbite-(Mn) Series] Jahns (1946)
ⓘ El Contento deposit	[Columbite-(Fe)-Columbite-(Mn) Series] Jahns (1946)
ⓘ Etter deposit	[Columbite-(Fe)-Columbite-(Mn) Series] Jahns (1946)
ⓘ Keystone-Western deposit	[Columbite-(Fe)-Columbite-(Mn) Series] Jahns (1946)
ⓘ La Jarita deposit	[Columbite-(Fe)-Columbite-(Mn) Series] Jahns (1946)
ⓘ Lone Wolf deposit (Silver Dollar)	[Columbite-(Fe)-Columbite-(Mn) Series] Jahns (1946)
ⓘ Lonesome deposit	[Columbite-(Fe)-Columbite-(Mn) Series] Jahns (1946) +1 other reference
ⓘ Mary deposit	[Columbite-(Fe)-Columbite-(Mn) Series] Jahns (1946)
ⓘ Mica Lode deposit	[Columbite-(Fe)-Columbite-(Mn) Series] Jahns (1946)
ⓘ Navajo deposit (Summit; Highland)	[Columbite-(Fe)-Columbite-(Mn) Series] Jahns (1946)
ⓘ North Star deposit (Miller deposit)	[Columbite-(Fe)-Columbite-(Mn) Series] Jahns (1946)
ⓘ Pinos Altos deposit	[Columbite-(Fe)-Columbite-(Mn) Series] Jahns (1946)
ⓘ Queen deposit	[Columbite-(Fe)-Columbite-(Mn) Series, Euxenite-(Y)] Charles Young collection
ⓘ Sandoval deposit (Old Black Horse; Kentucky)	[Columbite-(Fe)-Columbite-(Mn) Series] Jahns (1946)
ⓘ Silver Plate deposit	[Columbite-(Fe)-Columbite-(Mn) Series] Jahns (1946)
ⓘ St Joseph deposit	[Columbite-(Fe)-Columbite-(Mn) Series] Jahns (1946)
ⓘ Unnamed prospect (1)	[Columbite-(Fe)-Columbite-(Mn) Series] Jahns (1946)
ⓘ Vestegard Pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] Jahns (1946)
ⓘ Werner deposit	[Columbite-(Fe)-Columbite-(Mn) Series] Jahns (1946)
ⓘ Wyoming deposit	[Columbite-(Fe)-Columbite-(Mn) Series] Jahns (1946)
La Madera-Paloma Canyon area ⓘ El Floto deposit	[Columbite-(Fe)-Columbite-(Mn) Series] Jahns (1946)
ⓘ La Paloma deposit	[Columbite-(Fe)-Columbite-(Mn) Series, Columbite-(Mn)] Michael N. Spilde et al. (2011)
ⓘ Lower Alamos Canyon deposit	[Columbite-(Fe)-Columbite-(Mn) Series] Jahns (1946)
ⓘ Paloma Canyon deposit	[Columbite-(Fe)-Columbite-(Mn) Series] Jahns (1946)
ⓘ Peno Blanco deposit	[Columbite-(Fe)-Columbite-(Mn) Series] Jahns (1946)
Las Tablas ⓘ Buena Vista deposit	[Columbite-(Fe)-Columbite-(Mn) Series] Jahns (1946)
ⓘ Kiawa Pegmatites	[Columbite-(Fe)-Columbite-(Mn) Series] Jahns (1946) +1 other reference
ⓘ South Kiawa	[Columbite-(Fe)-Columbite-(Mn) Series] Jahns (1946)
Persimmon Peak-Las Tablas Group ⓘ Alma deposit (Kansas City deposit)	[Columbite-(Fe)-Columbite-(Mn) Series] Jahns (1946) +1 other reference
ⓘ Canary Bird Pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] Jahns (1946)
ⓘ Eureka deposit (Loma deposit)	[Columbite-(Fe)-Columbite-(Mn) Series] Jahns (1946)
ⓘ Meadow deposit	[Columbite-(Fe)-Columbite-(Mn) Series] Jahns (1946)
ⓘ Silver Spur deposit (Old Eureka; Hoyt-Seward; Las Tablas)	[Columbite-(Fe)-Columbite-(Mn) Series] Jahns (1946)
South Petaca ⓘ Globe pegmatite (Globe Mine)	[Columbite-(Fe)-Columbite-(Mn) Series, Columbite-(Mn)] Northrop et al. (1996) +1 other reference
San Miguel County ⓘ Elk Mountain Mining District	[Euxenite-(Y)] Northrop et al. (1996)
ⓘ Cow Creek	[Columbite-(Fe)-Columbite-(Mn) Series] Jahns (1946)
ⓘ Elk Mountain deposit (Kept Man deposit)	[Columbite-(Fe)-Columbite-(Mn) Series] Jahns (1946) +1 other reference
ⓘ Guy no. 1 deposit	[Columbite-(Fe)-Columbite-(Mn) Series, Euxenite-(Y)] Jahns (1946) +2 other references
ⓘ Sparks-Stone pegmatite	[Euxenite-(Y)] - (2005)
ⓘ Tecolote District	[Euxenite-(Y)] Northrop et al. (1996)
ⓘ Guy-Stern deposit	[Columbite-(Fe)-Columbite-(Mn) Series] U.S. Geological Survey staff (1965)
ⓘ Old Priest mine	[Columbite-(Fe)-Columbite-(Mn) Series, Euxenite-(Y)] Northrop et al. (1996)
Santa Fe County ⓘ Aspen Ranch Pegmatite Deposit	[Columbite-(Fe)-Columbite-(Mn) Series] - (2005)
ⓘ Santa Fe District	[Columbite-(Mn)] Northrop et al. (1996)
Dalton Creek ⓘ Pegmatites	[Columbite-(Fe)-Columbite-(Mn) Series] Elston (1968)
Taos County Picuris District ⓘ Harding Mine	[Columbite-(Fe)-Columbite-(Mn) Series, Columbite-(Mn)] Northrop et al. (1996)
ⓘ Owen-Roybal Group	[Columbite-(Fe)-Columbite-(Mn) Series] - (2005)
ⓘ Tres Piedras area	[Euxenite-(Y)] Northrop et al. (1996)
ⓘ New York	[Columbite-(Fe)-Columbite-(Mn) Series] Manchester (1931)
New York City Manhattan (New York County) ⓘ 185th Street & Harlem Speedway (Harlem River Drive)	[Columbite-(Fe)] John H. Betts (2009)
Washington Heights ⓘ Fort George (192nd Street & Audubon Avenue)	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series] John H. Betts (2009)
Staten Island (Richmond County) ⓘ Manhattan-Staten Island Water Tunnel Rock Dumps	[Columbite-(Fe)-Columbite-(Mn) Series] Jeremy Zolan Collection
Saratoga County ⓘ Day	[Euxenite-(Y)] Am Min (1947) +1 other reference
Greenfield Township ⓘ Greenfield	[Columbite-(Fe)-Columbite-(Mn) Series] Seaman (1976)
ⓘ Greenfield pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] Marian Lupulescu (2010)
Overlook ⓘ Overlook Quarry (Atlas Feldspar Company Quarry; Atlas Quarry; Day Quarry)	[Euxenite-(Y)] Jensen (1978) +1 other reference
Westchester County ⓘ Bedford	[Columbite-(Fe)-Columbite-(Mn) Series] Betts (n.d.)
ⓘ Baylis Quarry (Bayliss Quarry)	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series] Rocks & Min.: 23:710-712.
ⓘ Consolidated Feldspar Mining Corporation's plant	[Columbite-(Fe)-Columbite-(Mn) Series] Manchester (1931)
ⓘ Kinkel Quarry	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series] Rocks & Min.: 23:710-712.
North Carolina ⓘ Alexander County	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series] Bernard et al. (2004)
Buncombe County ⓘ Balsam Gap Mine	[Columbite-(Fe)-Columbite-(Mn) Series] Dana 6:1074.
Burke County Brindletown ⓘ J.C. Mills Mine (Mill's Mine; Mills's Mine)	[Columbite-(Fe)-Columbite-(Mn) Series] Rocks & Min.:60:86.
ⓘ Brittain Prospect ?	[Columbite-(Fe)] C.W. Allen collection
Cleveland County ⓘ Dixon Creek	[Columbite-(Fe)-Columbite-(Mn) Series] Wilson et al. (1978)
Kings Mountain ⓘ Foote Lithium Co. Mine	[Columbite-(Fe), Columbite-(Mn)] Rocks and Minerals +2 other references
ⓘ Davie County	[Columbite-(Fe)-Columbite-(Mn) Series]
Farmington ⓘ Columbite Prospect No. 1	[Columbite-(Fe)-Columbite-(Mn) Series] Wilson et al. (1978)
ⓘ Columbite Prospect No. 2	[Columbite-(Fe)-Columbite-(Mn) Series] Wilson et al. (1978)
ⓘ Seidtz Mine	[Columbite-(Fe)] www.John Betts.com
Gaston County ⓘ Hallman-Beam Mine (FMC-Lithco Mine; Hallman-Bean Mine; Lithium Corporation of America Mine)	[Columbite-(Fe)] Wenger et al. (1991)
ⓘ LCA Mine	[Columbite-(Fe)] Rocks & Min.: 60:89.
ⓘ Henderson County	[Euxenite-(Y)] Genth (1891) +1 other reference
Zirconia Pegmatite Mining District Tuxedo ⓘ Freeman Mine	[Euxenite-(Y)] Wilson et al. (1978)
ⓘ Zirconia	[Euxenite-(Y)] www. Rogers Minerals.com
ⓘ Jones Mine	[Euxenite-(Y)] Wilson et al. (1978)
ⓘ Zirconia Mine	[Euxenite-(Y)] - (n.d.)
ⓘ Macon County	[Columbite-(Fe)-Columbite-(Mn) Series] Genth et al. (1881)
Madison County ⓘ Ledford Allanite Prospect	[Euxenite-(Y)] - (2005)
ⓘ Odell Allanite Prospect	[Euxenite-(Y)] - (2005)
ⓘ McDowell County	[Columbite-(Fe)-Columbite-(Mn) Series]
Montreat ⓘ MLNC Pegmatite Site	[Columbite-(Fe)-Columbite-(Mn) Series] Wilson et al. (1978)
Mitchell County ⓘ Blalock Mine	[Columbite-(Fe)-Columbite-(Mn) Series] Smithsonian Institution Mineral ...
Deake ⓘ Deake Mine	[Columbite-(Fe)] Dana 7:I:695 +1 other reference
ⓘ Hoppus Mine	[Columbite-(Fe)-Columbite-(Mn) Series] - (n.d.)
ⓘ McHone Mine pegmatite	[Columbite-(Mn)] Wise et al. (2009) +1 other reference
ⓘ Pine Mountain (Pine Mountain Mine)	[Columbite-(Fe)-Columbite-(Mn) Series] The Adams Collection ( Steve and Laurie Adams)
ⓘ Pink Mine	[Columbite-(Fe)-Columbite-(Mn) Series] - (n.d.)
ⓘ Robert Phillips Mine (Old Susie Phillips Mine)	[Columbite-(Fe)-Columbite-(Mn) Series] Lesure (1968)
Spruce Pine ⓘ English Mine (English Knob Mine)	[Columbite-(Fe)-Columbite-(Mn) Series] Grauch et al. (1976)
Greasy Creek Township ⓘ Wiseman Mine (Old Mart Wiseman Mine; Sullins-Wiseman Mine)	[Columbite-(Fe)] Genth (1891)
ⓘ McKinney Mine (Power Mill Creek Mine)	[Columbite-(Fe), Columbite-(Mn), Euxenite-(Y)] www.excaliburmineral.com Smithsonian ...
ⓘ Nash County	[Columbite-(Fe)-Columbite-(Mn) Series] NCGS Survey Bulletin 97 +1 other reference
ⓘ Wilson County	[Columbite-(Fe)-Columbite-(Mn) Series] Speer (1997)
Yancey County ⓘ Barger Mine	[Columbite-(Fe)-Columbite-(Mn) Series] - (n.d.)
Burnsville Hurricane Mountain ⓘ Ray Mica Mine	[Columbite-(Fe)] Miller et al. (to be published by NCGS)
Celo Micaville ⓘ Fanny Gouge Mine	[Columbite-(Fe)-Columbite-(Mn) Series] - (n.d.)
ⓘ Presnell Mine (Young's Mine)	[Columbite-(Fe)-Columbite-(Mn) Series] Rocks & Min.: 60:99
Crabtree Creek ⓘ Carolina Mineral Company No. 20 Mine (Old 20 Mine)	[Columbite-(Fe)-Columbite-(Mn) Series, Euxenite-(Y)] Specimens in former Green's Mineral ... +1 other reference
ⓘ Horse Ridge Mine	[Columbite-(Fe)-Columbite-(Mn) Series] Mineral Commodity Files
ⓘ Polly Randolph Mine	[Columbite-(Fe)-Columbite-(Mn) Series] Mineral Commodity Files
ⓘ Randolph Mine	[Columbite-(Fe)-Columbite-(Mn) Series] Mineral Commodity Files
Toe River ⓘ Peterson Mine	[Columbite-(Fe)-Columbite-(Mn) Series] Mineral Commodity Files
ⓘ Walter J. Edward Prospect	[Columbite-(Fe)-Columbite-(Mn) Series] Mineral Commodity Files
Oklahoma Kiowa County Lugert ⓘ Granite Mountains	[Columbite-(Fe)-Columbite-(Mn) Series] R&M 72:4 pp 252-264
Oregon Jackson County Ashland Mining District ⓘ Mark I Group	[Euxenite-(Y)] - (2005)
Pennsylvania Chester County London Britain Township Landenberg ⓘ Nevin's Quarry	[Columbite-(Fe)-Columbite-(Mn) Series] Samuel S. Gordon +1 other reference
Valley Township Wagontown ⓘ Steidler pegmatite	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series] Mineral News
Delaware County Middletown Township Elwyn ⓘ Mineral Hill	[Columbite-(Mn)] Gordon (1922)
ⓘ Crump's Quarry	[Columbite-(Fe)-Columbite-(Mn) Series] Gordon (1922)
ⓘ Feldspar Quarry	[Columbite-(Fe)-Columbite-(Mn) Series] Gordon (1922)
Ridley Township Wallingford ⓘ Leiper's Upper Avondale Quarry	[Columbite-(Fe)-Columbite-(Mn) Series] Rocks & Min.: 59:109-120 & 62:176-178.
Springfield Township ⓘ Leiper's Quarry	[Columbite-(Fe)-Columbite-(Mn) Series] Rocks & Min.: 59:109-120 & 62:176-178.
Upper Chichester Township ⓘ Boothwyn	[Columbite-(Fe)-Columbite-(Mn) Series] Ref. +2 other references
Rhode Island Washington County Westerly ⓘ Redstone Granite Quarry (Cherenzia Quarry)	[Columbite-(Fe)] Miller (1971)
ⓘ Smith Granite quarry	[Columbite-(Fe)-Columbite-(Mn) Series] Miller (1971)
South Carolina Anderson County ⓘ Storeville	[Columbite-(Fe)-Columbite-(Mn) Series] Dana et al. (1892)
Greenville County ⓘ Slater-Marietta	[Euxenite-(Y)] Hidden et al. (1890) +1 other reference
South Dakota Custer County Custer Mining District Custer Beecher Lode ⓘ Beecher Lode Bond Claim (Beecher No. 1; Bond Lode)	[Columbite-(Fe)-Columbite-(Mn) Series] Roberts et al. (1965)
ⓘ Beecher No. 3	[Columbite-(Fe)-Columbite-(Mn) Series] Roberts et al. (1965)
ⓘ Bull Moose Mine	[Columbite-(Fe)-Columbite-(Mn) Series] Campbell et al. (1985)
ⓘ Buster lode (Buster Dike Mica Mine)	[Columbite-(Fe)-Columbite-(Mn) Series] Smith et al. (2000)
ⓘ Custer Mountain lode (Snookum mine)	[Columbite-(Fe)-Columbite-(Mn) Series] Smith et al. (2000)
ⓘ High Climb Mine	[Columbite-(Fe)-Columbite-(Mn) Series] Meeves et al. (1966) +1 other reference
ⓘ Wonder lode (Duncan's Little Wonder mine)	[Columbite-(Fe)-Columbite-(Mn) Series] Smith et al. (2000)
ⓘ Mayo Lode	[Columbite-(Fe)-Columbite-(Mn) Series] - (2005)
Pringle Cicero Peak ⓘ White Elephant Mine	[Columbite-(Fe)-Columbite-(Mn) Series] Roberts et al. (1965)
ⓘ Dakota Feldspar (Beryl Mica Lode; Dakota Feldspar Company Mines)	[Columbite-(Fe)-Columbite-(Mn) Series] Roberts et al. (1965)
ⓘ Greene pegmatite (Red Monster Mine; Pink Monster Mine)	[Columbite-(Fe)-Columbite-(Mn) Series] Smith et al. (2000)
ⓘ Lookout Mine (Carroll Claims; Park; Rosebud)	[Columbite-(Fe)-Columbite-(Mn) Series] - (2005)
ⓘ Mountain Beryl Claim	[Columbite-(Fe)-Columbite-(Mn) Series] - (2005)
Unorganized mining district [1] ⓘ Put Lode	[Columbite-(Fe)-Columbite-(Mn) Series] - (2005)
Lawrence County ⓘ Tinton Pegmatite Mining District	[Columbite-(Fe)-Columbite-(Mn) Series] Smith et al. (2000)
ⓘ Giant-Volney mine	[Columbite-(Fe)-Columbite-(Mn) Series] - (2005)
ⓘ Rough and Ready mine	[Columbite-(Fe)-Columbite-(Mn) Series] USGS Bull 380D +1 other reference
Pennington County Hill City Mining District ⓘ Grizzly Bear Gulch	[Columbite-(Fe)-Columbite-(Mn) Series] - (2005)
ⓘ Tin Queen Mine (White Blowout Mine)	[Columbite-(Fe)-Columbite-(Mn) Series] Smith et al. (2000)
Keystone Mining District Glendale ⓘ Big Chief Mine	[Columbite-(Fe)-Columbite-(Mn) Series]
ⓘ Hardesty Homestead Mine	[Columbite-(Fe)-Columbite-(Mn) Series] Smith et al. (2000)
Keystone ⓘ Barker-Ferguson Mine	[Columbite-(Fe)-Columbite-(Mn) Series] Smith et al. (2000)
ⓘ Bob Ingersoll Mine	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series] various added photos
ⓘ Dan Patch Mine	[Columbite-(Fe)-Columbite-(Mn) Series] Rocks & Min.:60:116 +3 other references
ⓘ Edison Mine	[Columbite-(Fe)-Columbite-(Mn) Series] U.S. Geological Survey Professional ... +2 other references
ⓘ Etta Mine	[Columbite-(Fe)] Roberts
ⓘ Nickel Plate Mine	[Columbite-(Fe)-Columbite-(Mn) Series] William C. van Laer +1 other reference
ⓘ Sarah claim	[Columbite-(Fe)-Columbite-(Mn) Series] USGS Bull 380D
ⓘ White Cap Mine	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series] Jessica Simonoff photo
Oreville Mining District ⓘ Stalin (High Climb Mine)	[Columbite-(Fe)-Columbite-(Mn) Series] Roberts et al. (1965)
Rochford Mining District ⓘ Manke claim (Wilhelm)	[Columbite-(Fe)-Columbite-(Mn) Series] Roberts et al. (1965)
Texas Burnet County ⓘ Cactus Jack pegmatite	[Euxenite-(Y)] Self-collected by Franklin Roberts.
ⓘ Clear Creek pegmatite	[Euxenite-(Y)] Crook et al. (1977)
Culberson County Sierra Diablo ⓘ Cave Peak deposit	[Columbite-(Fe)-Columbite-(Mn) Series] Smith (1991) +1 other reference
Hudspeth County ⓘ Sierra Blanca Peaks	[Columbite-(Fe)] Am. Min. 74:865-869 (1989)
ⓘ Little Blanca Mountain prospects	[Columbite-(Fe)-Columbite-(Mn) Series] Am Min 72:1122-1130
ⓘ Round Top prospects	[Columbite-(Fe), Columbite-(Fe)-Columbite-(Mn) Series] Elliott (2018)
Llano County Bluffton ⓘ Baringer Hill Mine	[Columbite-(Fe)-Columbite-(Mn) Series, Euxenite-(Y)] Landes (1932)
Utah Beaver County Milford ⓘ Highway 21 Quarry	[Euxenite-(Y)] Wilson (1995)
ⓘ Milford Quarry	[Euxenite-(Y)] Matthias Rhinelander
Virginia Amelia County Amelia (Amelia Court House) ⓘ Berry Mine	[Columbite-(Fe)-Columbite-(Mn) Series] Dietrich (1990)
ⓘ Carl Wagner farm	[Euxenite-(Y)] Dietrich (1990)
ⓘ Champion Mine (Jefferson No. 4 Mine; Bland Mine)	[Columbite-(Fe)-Columbite-(Mn) Series] Rocks & Min.:60:165.
ⓘ Rutherford Mines	[Columbite-(Fe)-Columbite-(Mn) Series, Euxenite-(Y)] D. Grier
ⓘ John Patterson Mine	[Euxenite-(Y)] Dietrich (1990)
Winterham ⓘ Morefield Mine (Morefield pegmatite)	[Columbite-(Fe), Columbite-(Mn), Euxenite-(Y)] Dietrich (1990)
Bedford County Moneta-Forest ⓘ Nance Mine	[Euxenite-(Y)] Dietrich (1990)
Otter Hill ⓘ Mitchell Mine (Hottinger Mine)	[Euxenite-(Y)] Dietrich (1990)
ⓘ Young Feldspar Mine	[Euxenite-(Y)] Dietrich (1990)
ⓘ Morgan Mine	[Euxenite-(Y)] David Kingery Collection
Charlotte County Charlotte-Cumberland ⓘ Crews Prospect (Crews No. 1 & 2 Prospect)	[Columbite-(Fe)-Columbite-(Mn) Series] Dietrich (1990)
ⓘ Goochland County	[Columbite-(Fe)-Columbite-(Mn) Series] Ransom (1974)
Powhatan County Flat Rock ⓘ White Peak Mines Nos. 1 through 4 (Miller Mine; Purcell Mine)	[Euxenite-(Y)] Rocks & Min.: 60:168.
Prince Edward County ⓘ Darlington Heights	[Columbite-(Fe)-Columbite-(Mn) Series] Dietrich (1990)
Washington Grant County Electric City ⓘ "Grand Coulee"	[Euxenite-(Y)] Huntting (1957)
Grand Coulee ⓘ Peterson claim	[Euxenite-(Y)] Huntting (1957) +1 other reference
Okanogan County ⓘ Golden Horn Batholith	[Euxenite-(Y)] Markus B. Raschke et al. (2016)
ⓘ Washington Pass	[Euxenite-(Y)] Micro Probe Volume VI Number 8 +1 other reference
Stevens County Calispell Peak ⓘ Cannon Mine	[Columbite-(Fe)-Columbite-(Mn) Series] Cannon (1975)
ⓘ Eagleton Prospect	[Columbite-(Fe)-Columbite-(Mn) Series] Cannon (1975)
Wisconsin Dodge County ⓘ Waterloo quarry (Michels Materials Waterloo quarry; Portland Quarry)	[Columbite-(Fe)-Columbite-(Mn) Series, Columbite-(Mn)] Buchholz et al. (2003) +1 other reference
Florence County Fern Pine River pegmatites ⓘ Animikie Red Ace pegmatite	[Columbite-(Fe), Columbite-(Mn)] Falster et al. (1996)
ⓘ Marathon County	[Euxenite-(Y)] Cordura
Wausau Intrusive Complex ⓘ "Rotten granite" quarries	[Columbite-(Fe)-Columbite-(Mn) Series] Falster (1987)
Nine Mile Pluton ⓘ Beilke Quarry	[Columbite-(Fe), Columbite-(Mn)] Buchholz (1999)
ⓘ Charneski pit (Ladick East pit)	[Columbite-(Fe)] Buchholz et al. (2002)
ⓘ Koss pit	[Columbite-(Fe), Columbite-(Mn), Euxenite-(Y)] www.uwrf.edu/~wc01
ⓘ McGuire pit (Salzman Quarry; Salzman Enterprises)	[Columbite-(Fe)] Rocks & Min. (2007)
ⓘ Stettin pluton	[Columbite-(Fe)-Columbite-(Mn) Series, Euxenite-(Y)] Buchholz et al. (2019)
ⓘ Stettin pegmatite	[Columbite-(Fe)] Buchholz et al. (2017)
ⓘ Woodland Drive	[Columbite-(Fe)] Buchholz et al. (2012)
Sauk County Baraboo ⓘ Jessie Quarry ?	[Euxenite-(Y)] Buchholz (2003)
Waupaca County ⓘ Keller Lake pegmatite	[Euxenite-(Y)] Rocks & Minerals 79:6 pp409-411
Wood County ⓘ Cary Mound area quarries	[Columbite-(Fe)] Rocks & Minerals 82:409-410
ⓘ Haske Quarry	[Columbite-(Fe), Euxenite-(Y)] Buchholz et al. (2006)
Wyoming Albany County ⓘ Many Values pegmatite prospect	[Columbite-(Fe)-Columbite-(Mn) Series] Hanley et al. (1950) +1 other reference
ⓘ Muscovite pegmatite prospect	[Columbite-(Fe)-Columbite-(Mn) Series] - (2005)
ⓘ Platt Mine	[Columbite-(Fe)-Columbite-(Mn) Series, Euxenite-(Y)] - (2005)
ⓘ Weddle pegmatite claims ?	[Euxenite-(Y)] Hausel et al. (2001)
Carbon County ⓘ Big Creek pegmatite District	[Columbite-(Fe)-Columbite-(Mn) Series, Euxenite-(Y)] R. S. Houston (1961)
ⓘ Platt Pegmatite Mine	[Columbite-(Fe)-Columbite-(Mn) Series, Euxenite-(Y)] R. S. Houston (1961) +3 other references
Crook County ⓘ Tinton Pegmatite District	[Columbite-(Fe)-Columbite-(Mn) Series] Osterwald (1952)
ⓘ Fremont County	[Columbite-(Fe)-Columbite-(Mn) Series] Rocks&Min 76:23-241
Bridger Mts (Bridger Range) ⓘ Copper Mountain pegmatite District	[Columbite-(Fe)-Columbite-(Mn) Series] Hausel et al. (2001)
ⓘ Quien Sabe No. 2 pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] Meeves et al. (1966)
ⓘ Sleeper Mine	[Columbite-(Fe)-Columbite-(Mn) Series] Meeves et al. (1966)
ⓘ Whippet claims	[Columbite-(Fe)-Columbite-(Mn) Series] Meeves et al. (1966)
ⓘ Whippet No. 1 pegmatite (Marion mine)	[Columbite-(Fe)-Columbite-(Mn) Series] Hanley et al. (1950)
Goshen County Haystack Range Pegmatite District ⓘ Ruth pegmatite ?	[Columbite-(Fe)-Columbite-(Mn) Series] Hanley et al. (1950)
Natrona County ⓘ Catherine No. 1 pegmatite mine	[Columbite-(Fe)-Columbite-(Mn) Series] Hausel et al. (2001)
Sheridan County ⓘ Rainbow Claims	[Euxenite-(Y)] - (2005)

Uzbekistan
Navoiy Uchkuduk District ⓘ Altyntau granite pluton	[Columbite-(Fe)] Mineraly Uzbekistana (Minerals of the Uzbekistan)

Vietnam
Yên Bái Province Lục Yên District ⓘ Minh Tien Mine	[Columbite-(Mn)] Kubernátová et al. (2019)

Zambia
Copperbelt Province Lufwanyama District ⓘ Kafubu emerald mining district	[Columbite-(Mn)] Wilson et al. (2010)

Zimbabwe
Harare Enterprise tin field ⓘ Elizabeth claim	[Columbite-(Fe)-Columbite-(Mn) Series] Southern Rhodesia Geological Survey (1959)
Manicaland Buhera District Bepe Hills ⓘ Bepe I pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] Ackermann et al. (1968)
Mashonaland Central Mazowe District ⓘ Mistress Mine	[Columbite-(Fe)-Columbite-(Mn) Series] Martin (2020)
Mashonaland East Goromonzi District ⓘ Casa Ventura pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] Mineralogical Magazine 1959 32 : 87-89
Mudzi District ⓘ Dizzy claim	[Columbite-(Fe)-Columbite-(Mn) Series] Southern Rhodesia Geological Survey (1959)
Mutoko District (Mtoko District) Mutoko parish (Mtoko) ⓘ Gooddays Mine (Good Days Mine)	[Columbite-(Fe)-Columbite-(Mn) Series, Columbite-(Mn)] Ackermann et al. (1968)
ⓘ Jordywyitt claims	[Columbite-(Fe)-Columbite-(Mn) Series] Anonymous (1995)
Mashonaland West Karoi District Mwami (Miami) ⓘ Bufroi claim	[Columbite-(Fe)-Columbite-(Mn) Series] Southern Rhodesia Geological Survey (1959)
ⓘ Lillington claim	[Columbite-(Fe)-Columbite-(Mn) Series] Southern Rhodesia Geological Survey (1959)
ⓘ Rita	[Columbite-(Fe)-Columbite-(Mn) Series] Southern Rhodesia Geological Survey (1959)
Masvingo Bikita District ⓘ Bikita pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] Southern Rhodesia Geological Survey (1959)
ⓘ Clive	[Columbite-(Fe)-Columbite-(Mn) Series] Southern Rhodesia Geological Survey (1959)
Masvingo District ⓘ Python Eggs pegmatite	[Columbite-(Fe)-Columbite-(Mn) Series] Southern Rhodesia Geological Survey (1959)
Matabeleland North Hwange District Dete (Dett) ⓘ Kamativi Mine	[Columbite-(Fe)] Gallagher (1967)
ⓘ San claims	[Columbite-(Fe)] Southern Rhodesia Geological Survey (1959)

Quick NavTop About Euxenite-(Y)-Columbite solid solution Unique Identifiers Similar Names Age distribution Chemical Analysis Crystal Structure Other Information Internet Links References Localities Locality List

Mindat.org® is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization. Mindat® and mindat.org® are registered trademarks of the Hudson Institute of Mineralogy.
Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2026, except where stated. Most political location boundaries are © OpenStreetMap contributors. Mindat.org relies on the contributions of thousands of members and supporters. Founded in 2000 by Jolyon Ralph and Ida Chau.
Content on this site may not be used to train, fine-tune, or otherwise develop artificial intelligence or machine learning models without prior written permission - see our Terms & Conditions.
To cite: Ralph, J., Von Bargen, D., Martynov, P., Zhang, J., Que, X., Prabhu, A., Morrison, S. M., Li, W., Chen, W., & Ma, X. (2025). Mindat.org: The open access mineralogy database to accelerate data-intensive geoscience research. American Mineralogist, 110(6), 833–844. doi:10.2138/am-2024-9486.
Privacy Policy - Terms & Conditions - Contact Us / DMCA issues - Report a bug/vulnerability Current server date and time: October 22, 2026 10:34:59 Page updated: July 23, 2026 12:05:27

Go to top of page