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Ambanja District, Diana, Madagascari
Regional Level Types
Ambanja DistrictDistrict
DianaRegion
MadagascarCountry

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08872160017272271814043.jpg
View of the Ambanja mining area, in 1910.

Ambanja District, Diana, Madagascar
Largest Settlements:
PlacePopulation
Ambanja30,621 (2018)
Mindat Locality ID:
158099
Long-form identifier:
mindat:1:2:158099:3
GUID (UUID V4):
0
Other Languages:
French:
district d'Ambanja, Région Diana, Madagascar
Italian:
distretto di Ambanja, Regione di Diana, Madagascar
Malagasy:
Distrikan' Ambanja, Faritr'i Diana, Madagasikara
Simplified Chinese:
安班加縣, 第亞那區, 马达加斯加
Spanish:
Ambanja, Región de Diana, Madagascar
Dutch:
Ambanja, Diana, Madagaskar
Farsi/Persian:
بخش امبانجا, دیانا, ماداگاسکار
Minnan / Hokkien-Taiwanese:
Ambanja Koān
Polish:
Dystrykt Ambanja, Diana, Madagaskar


Ambanja is a district in northern Madagascar. It is a part of Diana Region and borders the districts of Ambilobe to the east, Bealanana to the south and Analalava to the south-west. The area is 5,999.72 km² (2,317 sq mi). The district is further divided into 18 communes.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded from this region.


Mineral List

Mineral list contains entries from the region specified including sub-localities

96 valid minerals.

Rock Types Recorded


Rock list contains entries from the region specified including sub-localities

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

ⓘ Aegirine
Formula: NaFe3+Si2O6
ⓘ Aegirine-augite
Formula: (NaaCabFe2+cMgd)(Fe3+eAlfFe2+gMgh)Si2O6
ⓘ Aenigmatite
Formula: Na4[Fe2+10Ti2]O4[Si12O36]
ⓘ Albite
Formula: Na(AlSi3O8)
ⓘ 'Alkali Feldspar'
ⓘ 'Alkali pyroxene'
ⓘ Allanite-(Ce)
Formula: (CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
ⓘ 'Allanite Group'
Formula: (A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH)
ⓘ 'Amphibole Supergroup'
Formula: AB2C5(T8O22)W2
ⓘ Analcime
Formula: Na(AlSi2O6) · H2O
Localities: Reported from at least 6 localities in this region.
ⓘ Anatase
Formula: TiO2
ⓘ Anatase var. Niobium-bearing Anatase
Formula: (Ti,Nb)O2
ⓘ Andradite
Formula: Ca3Fe3+2(SiO4)3
ⓘ Andradite var. Demantoid
Formula: Ca3Fe3+2(SiO4)3
ⓘ Andradite var. Topazolite
Formula: Ca3Fe3+2(SiO4)3
ⓘ 'Andradite-Grossular Series'
ⓘ 'Apatite'
Formula: Ca5(PO4)3A
ⓘ Arfvedsonite
Formula: NaNa2(Fe2+4Fe3+)Si8O22(OH)2
ⓘ Astrophyllite
Formula: K2NaFe2+7Ti2[Si4O12]2O2(OH)4F
ⓘ Augite
Formula: (CaxMgyFez)(Mgy1Fez1)Si2O6
ⓘ Baddeleyite
Formula: ZrO2
ⓘ Baryte
Formula: BaSO4
ⓘ 'Bastnäsite'
Formula: (Ce/Nd/Y/REE)(CO3)F
ⓘ Bastnäsite-(Ce)
Formula: Ce(CO3)F
ⓘ Bastnäsite-(La)
Formula: La(CO3)F
ⓘ 'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
ⓘ Bornite
Formula: Cu5FeS4
ⓘ Britholite-(Ce)
Formula: (Ce,Ca)5(SiO4)3OH
ⓘ Brookite
Formula: TiO2
ⓘ Calcite
Formula: CaCO3
ⓘ 'Carbonate'
ⓘ Cassiterite
Formula: SnO2
ⓘ Catapleiite
Formula: Na2Zr(Si3O9) · 2H2O
ⓘ Cerianite-(Ce)
Formula: Ce4+O2
ⓘ Cerite-(CeCa)
Formula: (Ce7Ca2)◻Mg(SiO4)3(SiO3OH)4(OH)3
ⓘ 'Chabazite'
ⓘ Chalcopyrite
Formula: CuFeS2
ⓘ Chevkinite-(Ce)
Formula: Ce4(Ti,Fe2+,Fe3+)5O8(Si2O7)2
ⓘ 'Chevkinite Group'
ⓘ 'Chlorite Group'
ⓘ 'Clinopyroxene Subgroup'
ⓘ Corundum
Formula: Al2O3
ⓘ Corundum var. Sapphire
Formula: Al2O3
ⓘ Digenite
Formula: Cu9S5
References:
ⓘ Diopside
Formula: CaMgSi2O6
ⓘ Dolomite
Formula: CaMg(CO3)2
ⓘ Eckermannite ?
Formula: NaNa2(Mg4Al}Si8O22(OH)2
Description: Need to be checked if it can be assigned to eckermannite according to the redefinition by IMA (IMA2013-136).
ⓘ Epidote
Formula: (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
ⓘ Eudialyte
Formula: Na15Ca6Fe3Zr3Si(Si25O73)(O,OH,H2O)3(Cl,OH)2
ⓘ Fayalite
Formula: Fe2+2(SiO4)
ⓘ 'Fayalite-Forsterite Series'
ⓘ 'Feldspar Group'
ⓘ 'Feldspar Group var. Perthite'
ⓘ Fergusonite-(Y)
Formula: YNbO4
ⓘ Ferriallanite-(Ce)
Formula: (CaCe)(Fe3+AlFe2+)O[Si2O7][SiO4](OH)
ⓘ Ferricerite-(LaCa)
Formula: (La6Ca3)◻Fe3+(SiO4)3(SiO3OH)4(OH)3
ⓘ 'Ferro-eckermannite'
Formula: NaNa2(Fe2+4Al)Si8O22(OH)2
ⓘ Ferro-ferri-fluoro-leakeite
Formula: NaNa2(Fe2+2Fe3+2Li)(Si8O22)F2
ⓘ Fluorapatite
Formula: Ca5(PO4)3F
ⓘ Fluorbritholite-(Ce)
Formula: (Ce,Ca)5(SiO4)3F
ⓘ Fluorcalciopyrochlore
Formula: (Ca,Na)2(Nb,Ti)2O6F
ⓘ Fluorite
Formula: CaF2
ⓘ Fluornatropyrochlore
Formula: (Na,Pb,Ca,REE,U)2Nb2O6F
ⓘ 'Fluoro-arfvedsonite'
Formula: NaNa2(Fe2+4Fe3+)Si8O22F2
ⓘ 'Gagarinite'
ⓘ Galena
Formula: PbS
ⓘ 'Garnet Group'
Formula: X3Z2(SiO4)3
ⓘ Gibbsite
Formula: Al(OH)3
ⓘ Gittinsite
Formula: CaZrSi2O7
ⓘ 'Glass'
ⓘ Goethite
Formula: Fe3+O(OH)
ⓘ Grossular
Formula: Ca3Al2(SiO4)3
ⓘ Halloysite
Formula: Al2Si2O5(OH)4 · n(H2O)
ⓘ Hematite
Formula: Fe2O3
ⓘ Hematite var. Martite
Formula: Fe2O3
ⓘ 'Heulandite Subgroup'
Formula: (Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
Description: Crystals up to 3 cm
ⓘ 'Hornblende Root Name Group'
Formula: ◻Ca2(C2+4C3+)(AlSi7O22)W2
ⓘ Ilmenite
Formula: Fe2+TiO3
ⓘ Kaolinite
Formula: Al2(Si2O5)(OH)4
ⓘ 'K Feldspar'
ⓘ Låvenite
Formula: Na2Ca2Mn2Zr2(Si2O7)2O2F2
ⓘ Laumontite
Formula: CaAl2Si4O12 · 4H2O
ⓘ 'Leakeite'
Formula: NaNa2(Mg2Al2Li)(Si8O22)(OH)2
ⓘ Leucite
Formula: K(AlSi2O6)
ⓘ 'Leucoxene'
ⓘ Maghemite
Formula: (Fe3+0.67◻0.33)Fe3+2O4
ⓘ Magnetite
Formula: Fe2+Fe3+2O4
ⓘ Magnetite var. Titanium-bearing Magnetite
Formula: Fe2+(Fe3+,Ti)2O4
ⓘ Marcasite
Formula: FeS2
ⓘ Microcline
Formula: K(AlSi3O8)
ⓘ 'Microlite Group'
Formula: A2-mTa2X6-wZ1-n
ⓘ Molybdenite
Formula: MoS2
ⓘ Monazite-(Ce)
Formula: Ce(PO4)
ⓘ 'Monazite Group'
Formula: REE(PO4)
ⓘ Mosandrite-(Ce)
Formula: (Ca3REE)[(H2O)2Ca0.5◻0.5]Ti(Si2O7)2(OH)2(H2O)2
ⓘ Muscovite
Formula: KAl2(AlSi3O10)(OH)2
ⓘ Muscovite var. Illite
Formula: K0.65Al2.0[Al0.65Si3.35O10](OH)2
ⓘ Nacareniobsite-(Ce)
Formula: Na3Ca3(Ce,REE)Nb(Si2O7)2OF3
ⓘ Natrolite
Formula: Na2Al2Si3O10 · 2H2O
ⓘ Nepheline
Formula: Na3K(Al4Si4O16)
Localities: Reported from at least 7 localities in this region.
ⓘ Orthoclase
Formula: K(AlSi3O8)
ⓘ 'Parisite'
Formula: Ca(Ce/La/Nd/REE)2(CO3)3F2
ⓘ Parisite-(Ce)
Formula: CaCe2(CO3)3F2
ⓘ Pectolite
Formula: NaCa2Si3O8(OH)
ⓘ Phlogopite
Formula: KMg3(AlSi3O10)(OH)2
ⓘ 'Plagioclase'
Formula: (Na,Ca)[(Si,Al)AlSi2]O8
ⓘ Prehnite
Formula: Ca2Al2Si3O10(OH)2
ⓘ Pyrite
Formula: FeS2
ⓘ 'Pyrochlore Group'
Formula: A2Nb2(O,OH)6Z
Localities: Reported from at least 7 localities in this region.
ⓘ 'Pyrochlore Group var. Plumbopyrochlore (of Skorobogatova et al.)'
Formula: (Pb,Y,U,Ca)2-xNb2O6(OH)
ⓘ 'Pyrochlore Group var. Yttropyrochlore (of Hogarth 1977)'
Formula: (Y,Na,Ca,U)1-2(Nb,Ta,Ti)2(O,OH)7
ⓘ 'Pyroxene Group'
Formula: ADSi2O6
ⓘ Pyrrhotite
Formula: Fe1-xS
ⓘ Quartz
Formula: SiO2
Localities: Reported from at least 8 localities in this region.
ⓘ Rhabdophane-(Nd)
Formula: Nd(PO4) · H2O
ⓘ Riebeckite
Formula: ◻Na2(Fe2+3Fe3+2)Si8O22(OH)2
ⓘ Rinkite-(Ce)
Formula: (Ca3Ce)Na(NaCa)Ti(Si2O7)2(OF)F2
ⓘ Rutile
Formula: TiO2
ⓘ Samarskite-(Y)
Formula: YFe3+Nb2O8
ⓘ Sanidine
Formula: K(AlSi3O8)
ⓘ Siderite
Formula: FeCO3
References:
ⓘ Sodalite
Formula: Na4(Si3Al3)O12Cl
ⓘ 'Sodic amphibole'
ⓘ Sphalerite
Formula: ZnS
ⓘ 'Steacyite Group'
ⓘ Stellerite
Formula: Ca4(Si28Al8)O72 · 28H2O
ⓘ Stibnite
Formula: Sb2S3
ⓘ Stilbite-Ca
Formula: NaCa4(Si27Al9)O72 · 28H2O
ⓘ 'Stilbite Subgroup'
Formula: M6-7[Al8-9Si27-28O72] · nH2O
ⓘ 'Synchysite'
Formula: Ca(Ce/Nd/Y/REE)(CO3)2F
ⓘ Synchysite-(Ce)
Formula: CaCe(CO3)2F
ⓘ Synchysite-(Y)
Formula: CaY(CO3)2F
ⓘ Thorianite
Formula: ThO2
ⓘ Thorite
Formula: Th(SiO4)
ⓘ Titanite
Formula: CaTiO(SiO4)
ⓘ Turkestanite
Formula: (K,◻)(Ca,Na)2ThSi8O20 · nH2O
ⓘ Vesuvianite
Formula: Ca19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9
ⓘ Wollastonite
Formula: Ca3(Si3O9)
ⓘ 'Xenotime'
ⓘ Xenotime-(Y)
Formula: Y(PO4)
ⓘ Zektzerite
Formula: LiNaZrSi6O15
ⓘ Zircon
Formula: Zr(SiO4)

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
ⓘDigenite2.BA.10Cu9S5
ⓘBornite2.BA.15Cu5FeS4
ⓘSphalerite2.CB.05aZnS
ⓘChalcopyrite2.CB.10aCuFeS2
ⓘPyrrhotite2.CC.10Fe1-xS
ⓘGalena2.CD.10PbS
ⓘStibnite2.DB.05Sb2S3
ⓘMolybdenite2.EA.30MoS2
ⓘPyrite2.EB.05aFeS2
ⓘMarcasite2.EB.10aFeS2
Group 3 - Halides
ⓘFluorite3.AB.25CaF2
Group 4 - Oxides and Hydroxides
ⓘ'Microlite Group'4.00.A2-mTa2X6-wZ1-n
ⓘ'Pyrochlore Group
var. Plumbopyrochlore (of Skorobogatova et al.)'
4.00.(Pb,Y,U,Ca)2-xNb2O6(OH)
ⓘ''4.00.A2Nb2(O,OH)6Z
ⓘ'var. Yttropyrochlore (of Hogarth 1977)'4.00.(Y,Na,Ca,U)1-2(Nb,Ta,Ti)2(O,OH)7
ⓘMagnetite4.BB.05Fe2+Fe3+2O4
ⓘvar. Titanium-bearing Magnetite4.BB.05Fe2+(Fe3+,Ti)2O4
ⓘMaghemite4.BB.15(Fe3+0.67◻0.33)Fe3+2O4
ⓘCorundum4.CB.05Al2O3
ⓘHematite4.CB.05Fe2O3
ⓘIlmenite4.CB.05Fe2+TiO3
ⓘHematite
var. Martite
4.CB.05Fe2O3
ⓘCorundum
var. Sapphire
4.CB.05Al2O3
ⓘQuartz4.DA.05SiO2
ⓘCassiterite4.DB.05SnO2
ⓘRutile4.DB.05TiO2
ⓘSamarskite-(Y)4.DB.25YFe3+Nb2O8
ⓘAnatase4.DD.05TiO2
ⓘvar. Niobium-bearing Anatase4.DD.05(Ti,Nb)O2
ⓘBrookite4.DD.10TiO2
ⓘBaddeleyite4.DE.35ZrO2
ⓘFluornatropyrochlore4.DH.(Na,Pb,Ca,REE,U)2Nb2O6F
ⓘFluorcalciopyrochlore4.DH.15(Ca,Na)2(Nb,Ti)2O6F
ⓘCerianite-(Ce)4.DL.05Ce4+O2
ⓘThorianite4.DL.05ThO2
ⓘGoethite4.FD.10Fe3+O(OH)
ⓘGibbsite4.FE.10Al(OH)3
Group 5 - Nitrates and Carbonates
ⓘCalcite5.AB.05CaCO3
ⓘSiderite5.AB.05FeCO3
ⓘDolomite5.AB.10CaMg(CO3)2
ⓘBastnäsite-(Ce)5.BD.20aCe(CO3)F
ⓘBastnäsite-(La)5.BD.20aLa(CO3)F
ⓘParisite-(Ce)5.BD.20bCaCe2(CO3)3F2
ⓘSynchysite-(Ce)5.BD.20cCaCe(CO3)2F
ⓘSynchysite-(Y)5.BD.20cCaY(CO3)2F
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘBaryte7.AD.35BaSO4
ⓘFergusonite-(Y)7.GA.05YNbO4
Group 8 - Phosphates, Arsenates and Vanadates
ⓘXenotime-(Y)8.AD.35Y(PO4)
ⓘMonazite-(Ce)8.AD.50Ce(PO4)
ⓘFluorapatite8.BN.05Ca5(PO4)3F
ⓘRhabdophane-(Nd)8.CJ.45Nd(PO4) · H2O
Group 9 - Silicates
ⓘFayalite9.AC.05Fe2+2(SiO4)
ⓘAndradite9.AD.25Ca3Fe3+2(SiO4)3
ⓘvar. Demantoid9.AD.25Ca3Fe3+2(SiO4)3
ⓘGrossular9.AD.25Ca3Al2(SiO4)3
ⓘAndradite
var. Topazolite
9.AD.25Ca3Fe3+2(SiO4)3
ⓘThorite9.AD.30Th(SiO4)
ⓘZircon9.AD.30Zr(SiO4)
ⓘTitanite9.AG.15CaTiO(SiO4)
ⓘCerite-(CeCa)9.AG.20(Ce7Ca2)◻Mg(SiO4)3(SiO3OH)4(OH)3
ⓘFerricerite-(LaCa)9.AG.20(La6Ca3)◻Fe3+(SiO4)3(SiO3OH)4(OH)3
ⓘBritholite-(Ce)9.AH.25(Ce,Ca)5(SiO4)3OH
ⓘFluorbritholite-(Ce)9.AH.25(Ce,Ca)5(SiO4)3F
ⓘGittinsite9.BC.05CaZrSi2O7
ⓘLåvenite9.BE.17Na2Ca2Mn2Zr2(Si2O7)2O2F2
ⓘMosandrite-(Ce)9.BE.20(Ca3REE)[(H2O)2Ca0.5◻0.5]Ti(Si2O7)2(OH)2(H2O)2
ⓘNacareniobsite-(Ce)9.BE.20Na3Ca3(Ce,REE)Nb(Si2O7)2OF3
ⓘRinkite-(Ce)9.BE.20(Ca3Ce)Na(NaCa)Ti(Si2O7)2(OF)F2
ⓘChevkinite-(Ce)9.BE.70Ce4(Ti,Fe2+,Fe3+)5O8(Si2O7)2
ⓘEpidote9.BG.05a(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
ⓘAllanite-(Ce)9.BG.05b(CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
ⓘFerriallanite-(Ce)9.BG.05b(CaCe)(Fe3+AlFe2+)O[Si2O7][SiO4](OH)
ⓘVesuvianite9.BG.35Ca19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9
ⓘCatapleiite9.CA.15Na2Zr(Si3O9) · 2H2O
ⓘTurkestanite9.CH.10(K,◻)(Ca,Na)2ThSi8O20 · nH2O
ⓘEudialyte9.CO.10Na15Ca6Fe3Zr3Si(Si25O73)(O,OH,H2O)3(Cl,OH)2
ⓘAugite9.DA.15(CaxMgyFez)(Mgy1Fez1)Si2O6
ⓘDiopside9.DA.15CaMgSi2O6
ⓘAegirine-augite9.DA.20(NaaCabFe2+cMgd)(Fe3+eAlfFe2+gMgh)Si2O6
ⓘAegirine9.DA.25NaFe3+Si2O6
ⓘAstrophyllite9.DC.05K2NaFe2+7Ti2[Si4O12]2O2(OH)4F
ⓘArfvedsonite9.DE.25NaNa2(Fe2+4Fe3+)Si8O22(OH)2
ⓘEckermannite ?9.DE.25NaNa2(Mg4Al}Si8O22(OH)2
ⓘ'Ferro-eckermannite'9.DE.25NaNa2(Fe2+4Al)Si8O22(OH)2
ⓘRiebeckite9.DE.25◻Na2(Fe2+3Fe3+2)Si8O22(OH)2
ⓘFerro-ferri-fluoro-leakeite9.DE.25NaNa2(Fe2+2Fe3+2Li)(Si8O22)F2
ⓘ'Fluoro-arfvedsonite'9.DE.25NaNa2(Fe2+4Fe3+)Si8O22F2
ⓘ'Leakeite'9.DE.25NaNa2(Mg2Al2Li)(Si8O22)(OH)2
ⓘPectolite9.DG.05NaCa2Si3O8(OH)
ⓘWollastonite9.DG.05Ca3(Si3O9)
ⓘAenigmatite9.DH.40Na4[Fe2+10Ti2]O4[Si12O36]
ⓘZektzerite9.DN.05LiNaZrSi6O15
ⓘPrehnite9.DP.20Ca2Al2Si3O10(OH)2
ⓘMuscovite
var. Illite
9.EC.15K0.65Al2.0[Al0.65Si3.35O10](OH)2
ⓘ9.EC.15KAl2(AlSi3O10)(OH)2
ⓘPhlogopite9.EC.20KMg3(AlSi3O10)(OH)2
ⓘKaolinite9.ED.05Al2(Si2O5)(OH)4
ⓘHalloysite9.ED.10Al2Si2O5(OH)4 · n(H2O)
ⓘNepheline9.FA.05Na3K(Al4Si4O16)
ⓘMicrocline9.FA.30K(AlSi3O8)
ⓘOrthoclase9.FA.30K(AlSi3O8)
ⓘSanidine9.FA.30K(AlSi3O8)
ⓘAlbite9.FA.35Na(AlSi3O8)
ⓘSodalite9.FB.10Na4(Si3Al3)O12Cl
ⓘNatrolite9.GA.05Na2Al2Si3O10 · 2H2O
ⓘAnalcime9.GB.05Na(AlSi2O6) · H2O
ⓘLeucite9.GB.05K(AlSi2O6)
ⓘLaumontite9.GB.10CaAl2Si4O12 · 4H2O
ⓘStilbite-Ca9.GE.10NaCa4(Si27Al9)O72 · 28H2O
ⓘStellerite9.GE.15Ca4(Si28Al8)O72 · 28H2O
Unclassified
ⓘ'Alkali Feldspar'-
ⓘ'Amphibole Supergroup'-AB2C5(T8O22)W2
ⓘ'Bastnäsite'-(Ce/Nd/Y/REE)(CO3)F
ⓘ'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
ⓘ'Chabazite'-
ⓘ'Chlorite Group'-
ⓘ'Feldspar Group'-
ⓘ'Heulandite Subgroup'-(Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
ⓘ'Monazite Group'-REE(PO4)
ⓘ'Stilbite Subgroup'-M6-7[Al8-9Si27-28O72] · nH2O
ⓘ'Leucoxene'-
ⓘ'Xenotime'-
ⓘ'Feldspar Group
var. Perthite'
-
ⓘ'Parisite'-Ca(Ce/La/Nd/REE)2(CO3)3F2
ⓘ'Synchysite'-Ca(Ce/Nd/Y/REE)(CO3)2F
ⓘ'Clinopyroxene Subgroup'-
ⓘ'Andradite-Grossular Series'-
ⓘ'Fayalite-Forsterite Series'-
ⓘ'Hornblende Root Name Group'-◻Ca2(C2+4C3+)(AlSi7O22)W2
ⓘ'Plagioclase'-(Na,Ca)[(Si,Al)AlSi2]O8
ⓘ'K Feldspar'-
ⓘ'Pyroxene Group'-ADSi2O6
ⓘ'Garnet Group'-X3Z2(SiO4)3
ⓘ'Glass'-
ⓘ'Apatite'-Ca5(PO4)3A
ⓘ'Steacyite Group'-
ⓘ'Chevkinite Group'-
ⓘ'Gagarinite'-
ⓘ'Allanite Group'-(A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH)
ⓘ'Carbonate'-
ⓘ'Sodic amphibole'-
ⓘ'Alkali pyroxene'-

List of minerals for each chemical element

HHydrogen
Hⓘ Allanite-(Ce)(CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
Hⓘ AnalcimeNa(AlSi2O6) · H2O
Hⓘ ArfvedsoniteNaNa2(Fe42+Fe3+)Si8O22(OH)2
Hⓘ AstrophylliteK2NaFe72+Ti2[Si4O12]2O2(OH)4F
Hⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Hⓘ Britholite-(Ce)(Ce,Ca)5(SiO4)3OH
Hⓘ CatapleiiteNa2Zr(Si3O9) · 2H2O
Hⓘ Cerite-(CeCa)(Ce7Ca2)◻Mg(SiO4)3(SiO3OH)4(OH)3
Hⓘ EckermanniteNaNa2(Mg4Al}Si8O22(OH)2
Hⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Hⓘ EudialyteNa15Ca6Fe3Zr3Si(Si25O73)(O,OH,H2O)3(Cl,OH)2
Hⓘ Ferro-eckermanniteNaNa2(Fe42+Al)Si8O22(OH)2
Hⓘ GibbsiteAl(OH)3
Hⓘ GoethiteFe3+O(OH)
Hⓘ HalloysiteAl2Si2O5(OH)4 · n(H2O)
Hⓘ Heulandite Subgroup(Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
Hⓘ Muscovite var. IlliteK0.65Al2.0[Al0.65Si3.35O10](OH)2
Hⓘ KaoliniteAl2(Si2O5)(OH)4
Hⓘ LaumontiteCaAl2Si4O12 · 4H2O
Hⓘ Mosandrite-(Ce)(Ca3REE)[(H2O)2Ca0.5◻0.5]Ti(Si2O7)2(OH)2(H2O)2
Hⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Hⓘ NatroliteNa2Al2Si3O10 · 2H2O
Hⓘ PectoliteNaCa2Si3O8(OH)
Hⓘ PhlogopiteKMg3(AlSi3O10)(OH)2
Hⓘ Pyrochlore Group var. Plumbopyrochlore (of Skorobogatova et al.)(Pb,Y,U,Ca)2-xNb2O6(OH)
Hⓘ PrehniteCa2Al2Si3O10(OH)2
Hⓘ Pyrochlore GroupA2Nb2(O,OH)6Z
Hⓘ Rhabdophane-(Nd)Nd(PO4) · H2O
Hⓘ Riebeckite◻Na2(Fe32+Fe23+)Si8O22(OH)2
Hⓘ StelleriteCa4(Si28Al8)O72 · 28H2O
Hⓘ Stilbite SubgroupM6-7[Al8-9Si27-28O72] · nH2O
Hⓘ VesuvianiteCa19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9
Hⓘ Pyrochlore Group var. Yttropyrochlore (of Hogarth 1977)(Y,Na,Ca,U)1-2(Nb,Ta,Ti)2(O,OH)7
Hⓘ Stilbite-CaNaCa4(Si27Al9)O72 · 28H2O
Hⓘ Turkestanite(K,◻)(Ca,Na)2ThSi8O20 · nH2O
Hⓘ Ferriallanite-(Ce)(CaCe)(Fe3+AlFe2+)O[Si2O7][SiO4](OH)
Hⓘ Ferricerite-(LaCa)(La6Ca3)◻Fe3+(SiO4)3(SiO3OH)4(OH)3
Hⓘ LeakeiteNaNa2(Mg2Al2Li)(Si8O22)(OH)2
Hⓘ Allanite Group(A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH)
LiLithium
Liⓘ ZektzeriteLiNaZrSi6O15
Liⓘ Ferro-ferri-fluoro-leakeiteNaNa2(Fe22+Fe23+Li)(Si8O22)F2
Liⓘ LeakeiteNaNa2(Mg2Al2Li)(Si8O22)(OH)2
CCarbon
Cⓘ Bastnäsite-(Ce)Ce(CO3)F
Cⓘ Bastnäsite-(La)La(CO3)F
Cⓘ Bastnäsite(Ce/Nd/Y/REE)(CO3)F
Cⓘ CalciteCaCO3
Cⓘ DolomiteCaMg(CO3)2
Cⓘ Parisite-(Ce)CaCe2(CO3)3F2
Cⓘ SideriteFeCO3
Cⓘ Synchysite-(Ce)CaCe(CO3)2F
Cⓘ Synchysite-(Y)CaY(CO3)2F
Cⓘ ParisiteCa(Ce/La/Nd/REE)2(CO3)3F2
OOxygen
Oⓘ AegirineNaFe3+Si2O6
Oⓘ Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
Oⓘ AenigmatiteNa4[Fe102+Ti2]O4[Si12O36]
Oⓘ AlbiteNa(AlSi3O8)
Oⓘ Allanite-(Ce)(CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
Oⓘ Amphibole SupergroupAB2C5(T8O22)W2
Oⓘ AnalcimeNa(AlSi2O6) · H2O
Oⓘ AnataseTiO2
Oⓘ AndraditeCa3Fe23+(SiO4)3
Oⓘ ArfvedsoniteNaNa2(Fe42+Fe3+)Si8O22(OH)2
Oⓘ AstrophylliteK2NaFe72+Ti2[Si4O12]2O2(OH)4F
Oⓘ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Oⓘ BaddeleyiteZrO2
Oⓘ BaryteBaSO4
Oⓘ Bastnäsite-(Ce)Ce(CO3)F
Oⓘ Bastnäsite-(La)La(CO3)F
Oⓘ Bastnäsite(Ce/Nd/Y/REE)(CO3)F
Oⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Oⓘ Britholite-(Ce)(Ce,Ca)5(SiO4)3OH
Oⓘ BrookiteTiO2
Oⓘ CalciteCaCO3
Oⓘ CassiteriteSnO2
Oⓘ CatapleiiteNa2Zr(Si3O9) · 2H2O
Oⓘ Cerianite-(Ce)Ce4+O2
Oⓘ Cerite-(CeCa)(Ce7Ca2)◻Mg(SiO4)3(SiO3OH)4(OH)3
Oⓘ CorundumAl2O3
Oⓘ Andradite var. DemantoidCa3Fe23+(SiO4)3
Oⓘ DiopsideCaMgSi2O6
Oⓘ DolomiteCaMg(CO3)2
Oⓘ EckermanniteNaNa2(Mg4Al}Si8O22(OH)2
Oⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Oⓘ EudialyteNa15Ca6Fe3Zr3Si(Si25O73)(O,OH,H2O)3(Cl,OH)2
Oⓘ FayaliteFe22+(SiO4)
Oⓘ Ferro-eckermanniteNaNa2(Fe42+Al)Si8O22(OH)2
Oⓘ Fergusonite-(Y)YNbO4
Oⓘ FluorapatiteCa5(PO4)3F
Oⓘ Fluorbritholite-(Ce)(Ce,Ca)5(SiO4)3F
Oⓘ GibbsiteAl(OH)3
Oⓘ GittinsiteCaZrSi2O7
Oⓘ GoethiteFe3+O(OH)
Oⓘ GrossularCa3Al2(SiO4)3
Oⓘ HalloysiteAl2Si2O5(OH)4 · n(H2O)
Oⓘ HematiteFe2O3
Oⓘ Heulandite Subgroup(Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
Oⓘ Muscovite var. IlliteK0.65Al2.0[Al0.65Si3.35O10](OH)2
Oⓘ IlmeniteFe2+TiO3
Oⓘ KaoliniteAl2(Si2O5)(OH)4
Oⓘ LaumontiteCaAl2Si4O12 · 4H2O
Oⓘ LåveniteNa2Ca2Mn2Zr2(Si2O7)2O2F2
Oⓘ LeuciteK(AlSi2O6)
Oⓘ Maghemite(Fe3+0.67◻0.33)Fe23+O4
Oⓘ MagnetiteFe2+Fe23+O4
Oⓘ Hematite var. MartiteFe2O3
Oⓘ MicroclineK(AlSi3O8)
Oⓘ Monazite GroupREE(PO4)
Oⓘ Monazite-(Ce)Ce(PO4)
Oⓘ Mosandrite-(Ce)(Ca3REE)[(H2O)2Ca0.5◻0.5]Ti(Si2O7)2(OH)2(H2O)2
Oⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Oⓘ Nacareniobsite-(Ce)Na3Ca3(Ce,REE)Nb(Si2O7)2OF3
Oⓘ NephelineNa3K(Al4Si4O16)
Oⓘ NatroliteNa2Al2Si3O10 · 2H2O
Oⓘ OrthoclaseK(AlSi3O8)
Oⓘ Parisite-(Ce)CaCe2(CO3)3F2
Oⓘ PectoliteNaCa2Si3O8(OH)
Oⓘ PhlogopiteKMg3(AlSi3O10)(OH)2
Oⓘ Pyrochlore Group var. Plumbopyrochlore (of Skorobogatova et al.)(Pb,Y,U,Ca)2-xNb2O6(OH)
Oⓘ PrehniteCa2Al2Si3O10(OH)2
Oⓘ Pyrochlore GroupA2Nb2(O,OH)6Z
Oⓘ QuartzSiO2
Oⓘ Rhabdophane-(Nd)Nd(PO4) · H2O
Oⓘ Riebeckite◻Na2(Fe32+Fe23+)Si8O22(OH)2
Oⓘ Rinkite-(Ce)(Ca3Ce)Na(NaCa)Ti(Si2O7)2(OF)F2
Oⓘ RutileTiO2
Oⓘ Samarskite-(Y)YFe3+Nb2O8
Oⓘ SanidineK(AlSi3O8)
Oⓘ Corundum var. SapphireAl2O3
Oⓘ SideriteFeCO3
Oⓘ SodaliteNa4(Si3Al3)O12Cl
Oⓘ StelleriteCa4(Si28Al8)O72 · 28H2O
Oⓘ Stilbite SubgroupM6-7[Al8-9Si27-28O72] · nH2O
Oⓘ Synchysite-(Ce)CaCe(CO3)2F
Oⓘ Synchysite-(Y)CaY(CO3)2F
Oⓘ ThorianiteThO2
Oⓘ ThoriteTh(SiO4)
Oⓘ TitaniteCaTiO(SiO4)
Oⓘ Magnetite var. Titanium-bearing MagnetiteFe2+(Fe3+,Ti)2O4
Oⓘ VesuvianiteCa19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9
Oⓘ WollastoniteCa3(Si3O9)
Oⓘ Xenotime-(Y)Y(PO4)
Oⓘ Pyrochlore Group var. Yttropyrochlore (of Hogarth 1977)(Y,Na,Ca,U)1-2(Nb,Ta,Ti)2(O,OH)7
Oⓘ ZektzeriteLiNaZrSi6O15
Oⓘ ZirconZr(SiO4)
Oⓘ Chevkinite-(Ce)Ce4(Ti,Fe2+,Fe3+)5O8(Si2O7)2
Oⓘ Ferro-ferri-fluoro-leakeiteNaNa2(Fe22+Fe23+Li)(Si8O22)F2
Oⓘ Stilbite-CaNaCa4(Si27Al9)O72 · 28H2O
Oⓘ Turkestanite(K,◻)(Ca,Na)2ThSi8O20 · nH2O
Oⓘ ParisiteCa(Ce/La/Nd/REE)2(CO3)3F2
Oⓘ Andradite var. TopazoliteCa3Fe23+(SiO4)3
Oⓘ Andradite-Grossular Series
Oⓘ Fayalite-Forsterite Series
Oⓘ Hornblende Root Name Group◻Ca2(C42+C3+)(AlSi7O22)W2
Oⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Oⓘ Pyroxene GroupADSi2O6
Oⓘ Garnet GroupX3Z2(SiO4)3
Oⓘ Anatase var. Niobium-bearing Anatase(Ti,Nb)O2
Oⓘ Ferriallanite-(Ce)(CaCe)(Fe3+AlFe2+)O[Si2O7][SiO4](OH)
Oⓘ Ferricerite-(LaCa)(La6Ca3)◻Fe3+(SiO4)3(SiO3OH)4(OH)3
Oⓘ ApatiteCa5(PO4)3A
Oⓘ Fluornatropyrochlore(Na,Pb,Ca,REE,U)2Nb2O6F
Oⓘ Fluorcalciopyrochlore(Ca,Na)2(Nb,Ti)2O6F
Oⓘ Fluoro-arfvedsoniteNaNa2(Fe42+Fe3+)Si8O22F2
Oⓘ LeakeiteNaNa2(Mg2Al2Li)(Si8O22)(OH)2
Oⓘ Allanite Group(A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH)
FFluorine
Fⓘ AstrophylliteK2NaFe72+Ti2[Si4O12]2O2(OH)4F
Fⓘ Bastnäsite-(Ce)Ce(CO3)F
Fⓘ Bastnäsite-(La)La(CO3)F
Fⓘ Bastnäsite(Ce/Nd/Y/REE)(CO3)F
Fⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Fⓘ FluorapatiteCa5(PO4)3F
Fⓘ Fluorbritholite-(Ce)(Ce,Ca)5(SiO4)3F
Fⓘ FluoriteCaF2
Fⓘ LåveniteNa2Ca2Mn2Zr2(Si2O7)2O2F2
Fⓘ Nacareniobsite-(Ce)Na3Ca3(Ce,REE)Nb(Si2O7)2OF3
Fⓘ Parisite-(Ce)CaCe2(CO3)3F2
Fⓘ Rinkite-(Ce)(Ca3Ce)Na(NaCa)Ti(Si2O7)2(OF)F2
Fⓘ Synchysite-(Ce)CaCe(CO3)2F
Fⓘ Synchysite-(Y)CaY(CO3)2F
Fⓘ Ferro-ferri-fluoro-leakeiteNaNa2(Fe22+Fe23+Li)(Si8O22)F2
Fⓘ ParisiteCa(Ce/La/Nd/REE)2(CO3)3F2
Fⓘ Fluornatropyrochlore(Na,Pb,Ca,REE,U)2Nb2O6F
Fⓘ Fluorcalciopyrochlore(Ca,Na)2(Nb,Ti)2O6F
Fⓘ Fluoro-arfvedsoniteNaNa2(Fe42+Fe3+)Si8O22F2
NaSodium
Naⓘ AegirineNaFe3+Si2O6
Naⓘ Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
Naⓘ AenigmatiteNa4[Fe102+Ti2]O4[Si12O36]
Naⓘ AlbiteNa(AlSi3O8)
Naⓘ AnalcimeNa(AlSi2O6) · H2O
Naⓘ ArfvedsoniteNaNa2(Fe42+Fe3+)Si8O22(OH)2
Naⓘ AstrophylliteK2NaFe72+Ti2[Si4O12]2O2(OH)4F
Naⓘ CatapleiiteNa2Zr(Si3O9) · 2H2O
Naⓘ EckermanniteNaNa2(Mg4Al}Si8O22(OH)2
Naⓘ EudialyteNa15Ca6Fe3Zr3Si(Si25O73)(O,OH,H2O)3(Cl,OH)2
Naⓘ Ferro-eckermanniteNaNa2(Fe42+Al)Si8O22(OH)2
Naⓘ Heulandite Subgroup(Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
Naⓘ LåveniteNa2Ca2Mn2Zr2(Si2O7)2O2F2
Naⓘ Nacareniobsite-(Ce)Na3Ca3(Ce,REE)Nb(Si2O7)2OF3
Naⓘ NephelineNa3K(Al4Si4O16)
Naⓘ NatroliteNa2Al2Si3O10 · 2H2O
Naⓘ PectoliteNaCa2Si3O8(OH)
Naⓘ Riebeckite◻Na2(Fe32+Fe23+)Si8O22(OH)2
Naⓘ Rinkite-(Ce)(Ca3Ce)Na(NaCa)Ti(Si2O7)2(OF)F2
Naⓘ SodaliteNa4(Si3Al3)O12Cl
Naⓘ Pyrochlore Group var. Yttropyrochlore (of Hogarth 1977)(Y,Na,Ca,U)1-2(Nb,Ta,Ti)2(O,OH)7
Naⓘ ZektzeriteLiNaZrSi6O15
Naⓘ Ferro-ferri-fluoro-leakeiteNaNa2(Fe22+Fe23+Li)(Si8O22)F2
Naⓘ Stilbite-CaNaCa4(Si27Al9)O72 · 28H2O
Naⓘ Turkestanite(K,◻)(Ca,Na)2ThSi8O20 · nH2O
Naⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Naⓘ Fluornatropyrochlore(Na,Pb,Ca,REE,U)2Nb2O6F
Naⓘ Fluorcalciopyrochlore(Ca,Na)2(Nb,Ti)2O6F
Naⓘ Fluoro-arfvedsoniteNaNa2(Fe42+Fe3+)Si8O22F2
Naⓘ LeakeiteNaNa2(Mg2Al2Li)(Si8O22)(OH)2
MgMagnesium
Mgⓘ Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
Mgⓘ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Mgⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Mgⓘ Cerite-(CeCa)(Ce7Ca2)◻Mg(SiO4)3(SiO3OH)4(OH)3
Mgⓘ DiopsideCaMgSi2O6
Mgⓘ DolomiteCaMg(CO3)2
Mgⓘ EckermanniteNaNa2(Mg4Al}Si8O22(OH)2
Mgⓘ PhlogopiteKMg3(AlSi3O10)(OH)2
Mgⓘ VesuvianiteCa19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9
Mgⓘ Fayalite-Forsterite Series
Mgⓘ LeakeiteNaNa2(Mg2Al2Li)(Si8O22)(OH)2
AlAluminium
Alⓘ Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
Alⓘ AlbiteNa(AlSi3O8)
Alⓘ Allanite-(Ce)(CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
Alⓘ AnalcimeNa(AlSi2O6) · H2O
Alⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Alⓘ CorundumAl2O3
Alⓘ EckermanniteNaNa2(Mg4Al}Si8O22(OH)2
Alⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Alⓘ Ferro-eckermanniteNaNa2(Fe42+Al)Si8O22(OH)2
Alⓘ GibbsiteAl(OH)3
Alⓘ GrossularCa3Al2(SiO4)3
Alⓘ HalloysiteAl2Si2O5(OH)4 · n(H2O)
Alⓘ Heulandite Subgroup(Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
Alⓘ Muscovite var. IlliteK0.65Al2.0[Al0.65Si3.35O10](OH)2
Alⓘ KaoliniteAl2(Si2O5)(OH)4
Alⓘ LaumontiteCaAl2Si4O12 · 4H2O
Alⓘ LeuciteK(AlSi2O6)
Alⓘ MicroclineK(AlSi3O8)
Alⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Alⓘ NephelineNa3K(Al4Si4O16)
Alⓘ NatroliteNa2Al2Si3O10 · 2H2O
Alⓘ OrthoclaseK(AlSi3O8)
Alⓘ PhlogopiteKMg3(AlSi3O10)(OH)2
Alⓘ PrehniteCa2Al2Si3O10(OH)2
Alⓘ SanidineK(AlSi3O8)
Alⓘ Corundum var. SapphireAl2O3
Alⓘ SodaliteNa4(Si3Al3)O12Cl
Alⓘ StelleriteCa4(Si28Al8)O72 · 28H2O
Alⓘ Stilbite SubgroupM6-7[Al8-9Si27-28O72] · nH2O
Alⓘ VesuvianiteCa19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9
Alⓘ Stilbite-CaNaCa4(Si27Al9)O72 · 28H2O
Alⓘ Andradite-Grossular Series
Alⓘ Hornblende Root Name Group◻Ca2(C42+C3+)(AlSi7O22)W2
Alⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Alⓘ Ferriallanite-(Ce)(CaCe)(Fe3+AlFe2+)O[Si2O7][SiO4](OH)
Alⓘ LeakeiteNaNa2(Mg2Al2Li)(Si8O22)(OH)2
SiSilicon
Siⓘ AegirineNaFe3+Si2O6
Siⓘ Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
Siⓘ AenigmatiteNa4[Fe102+Ti2]O4[Si12O36]
Siⓘ AlbiteNa(AlSi3O8)
Siⓘ Allanite-(Ce)(CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
Siⓘ AnalcimeNa(AlSi2O6) · H2O
Siⓘ AndraditeCa3Fe23+(SiO4)3
Siⓘ ArfvedsoniteNaNa2(Fe42+Fe3+)Si8O22(OH)2
Siⓘ AstrophylliteK2NaFe72+Ti2[Si4O12]2O2(OH)4F
Siⓘ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Siⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Siⓘ Britholite-(Ce)(Ce,Ca)5(SiO4)3OH
Siⓘ CatapleiiteNa2Zr(Si3O9) · 2H2O
Siⓘ Cerite-(CeCa)(Ce7Ca2)◻Mg(SiO4)3(SiO3OH)4(OH)3
Siⓘ Andradite var. DemantoidCa3Fe23+(SiO4)3
Siⓘ DiopsideCaMgSi2O6
Siⓘ EckermanniteNaNa2(Mg4Al}Si8O22(OH)2
Siⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Siⓘ EudialyteNa15Ca6Fe3Zr3Si(Si25O73)(O,OH,H2O)3(Cl,OH)2
Siⓘ FayaliteFe22+(SiO4)
Siⓘ Ferro-eckermanniteNaNa2(Fe42+Al)Si8O22(OH)2
Siⓘ Fluorbritholite-(Ce)(Ce,Ca)5(SiO4)3F
Siⓘ GittinsiteCaZrSi2O7
Siⓘ GrossularCa3Al2(SiO4)3
Siⓘ HalloysiteAl2Si2O5(OH)4 · n(H2O)
Siⓘ Heulandite Subgroup(Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
Siⓘ Muscovite var. IlliteK0.65Al2.0[Al0.65Si3.35O10](OH)2
Siⓘ KaoliniteAl2(Si2O5)(OH)4
Siⓘ LaumontiteCaAl2Si4O12 · 4H2O
Siⓘ LåveniteNa2Ca2Mn2Zr2(Si2O7)2O2F2
Siⓘ LeuciteK(AlSi2O6)
Siⓘ MicroclineK(AlSi3O8)
Siⓘ Mosandrite-(Ce)(Ca3REE)[(H2O)2Ca0.5◻0.5]Ti(Si2O7)2(OH)2(H2O)2
Siⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Siⓘ Nacareniobsite-(Ce)Na3Ca3(Ce,REE)Nb(Si2O7)2OF3
Siⓘ NephelineNa3K(Al4Si4O16)
Siⓘ NatroliteNa2Al2Si3O10 · 2H2O
Siⓘ OrthoclaseK(AlSi3O8)
Siⓘ PectoliteNaCa2Si3O8(OH)
Siⓘ PhlogopiteKMg3(AlSi3O10)(OH)2
Siⓘ PrehniteCa2Al2Si3O10(OH)2
Siⓘ QuartzSiO2
Siⓘ Riebeckite◻Na2(Fe32+Fe23+)Si8O22(OH)2
Siⓘ Rinkite-(Ce)(Ca3Ce)Na(NaCa)Ti(Si2O7)2(OF)F2
Siⓘ SanidineK(AlSi3O8)
Siⓘ SodaliteNa4(Si3Al3)O12Cl
Siⓘ StelleriteCa4(Si28Al8)O72 · 28H2O
Siⓘ Stilbite SubgroupM6-7[Al8-9Si27-28O72] · nH2O
Siⓘ ThoriteTh(SiO4)
Siⓘ TitaniteCaTiO(SiO4)
Siⓘ VesuvianiteCa19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9
Siⓘ WollastoniteCa3(Si3O9)
Siⓘ ZektzeriteLiNaZrSi6O15
Siⓘ ZirconZr(SiO4)
Siⓘ Chevkinite-(Ce)Ce4(Ti,Fe2+,Fe3+)5O8(Si2O7)2
Siⓘ Ferro-ferri-fluoro-leakeiteNaNa2(Fe22+Fe23+Li)(Si8O22)F2
Siⓘ Stilbite-CaNaCa4(Si27Al9)O72 · 28H2O
Siⓘ Turkestanite(K,◻)(Ca,Na)2ThSi8O20 · nH2O
Siⓘ Andradite var. TopazoliteCa3Fe23+(SiO4)3
Siⓘ Andradite-Grossular Series
Siⓘ Fayalite-Forsterite Series
Siⓘ Hornblende Root Name Group◻Ca2(C42+C3+)(AlSi7O22)W2
Siⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Siⓘ Pyroxene GroupADSi2O6
Siⓘ Garnet GroupX3Z2(SiO4)3
Siⓘ Ferriallanite-(Ce)(CaCe)(Fe3+AlFe2+)O[Si2O7][SiO4](OH)
Siⓘ Ferricerite-(LaCa)(La6Ca3)◻Fe3+(SiO4)3(SiO3OH)4(OH)3
Siⓘ Fluoro-arfvedsoniteNaNa2(Fe42+Fe3+)Si8O22F2
Siⓘ LeakeiteNaNa2(Mg2Al2Li)(Si8O22)(OH)2
Siⓘ Allanite Group(A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH)
PPhosphorus
Pⓘ FluorapatiteCa5(PO4)3F
Pⓘ Monazite GroupREE(PO4)
Pⓘ Monazite-(Ce)Ce(PO4)
Pⓘ Rhabdophane-(Nd)Nd(PO4) · H2O
Pⓘ Xenotime-(Y)Y(PO4)
Pⓘ ApatiteCa5(PO4)3A
SSulfur
Sⓘ BaryteBaSO4
Sⓘ BorniteCu5FeS4
Sⓘ ChalcopyriteCuFeS2
Sⓘ DigeniteCu9S5
Sⓘ GalenaPbS
Sⓘ MarcasiteFeS2
Sⓘ MolybdeniteMoS2
Sⓘ PyriteFeS2
Sⓘ PyrrhotiteFe1-xS
Sⓘ SphaleriteZnS
Sⓘ StibniteSb2S3
ClChlorine
Clⓘ EudialyteNa15Ca6Fe3Zr3Si(Si25O73)(O,OH,H2O)3(Cl,OH)2
Clⓘ SodaliteNa4(Si3Al3)O12Cl
KPotassium
Kⓘ AstrophylliteK2NaFe72+Ti2[Si4O12]2O2(OH)4F
Kⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Kⓘ Heulandite Subgroup(Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
Kⓘ Muscovite var. IlliteK0.65Al2.0[Al0.65Si3.35O10](OH)2
Kⓘ LeuciteK(AlSi2O6)
Kⓘ MicroclineK(AlSi3O8)
Kⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Kⓘ NephelineNa3K(Al4Si4O16)
Kⓘ OrthoclaseK(AlSi3O8)
Kⓘ PhlogopiteKMg3(AlSi3O10)(OH)2
Kⓘ SanidineK(AlSi3O8)
Kⓘ Turkestanite(K,◻)(Ca,Na)2ThSi8O20 · nH2O
CaCalcium
Caⓘ Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
Caⓘ Allanite-(Ce)(CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
Caⓘ AndraditeCa3Fe23+(SiO4)3
Caⓘ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Caⓘ Britholite-(Ce)(Ce,Ca)5(SiO4)3OH
Caⓘ CalciteCaCO3
Caⓘ Cerite-(CeCa)(Ce7Ca2)◻Mg(SiO4)3(SiO3OH)4(OH)3
Caⓘ Andradite var. DemantoidCa3Fe23+(SiO4)3
Caⓘ DiopsideCaMgSi2O6
Caⓘ DolomiteCaMg(CO3)2
Caⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Caⓘ EudialyteNa15Ca6Fe3Zr3Si(Si25O73)(O,OH,H2O)3(Cl,OH)2
Caⓘ FluorapatiteCa5(PO4)3F
Caⓘ Fluorbritholite-(Ce)(Ce,Ca)5(SiO4)3F
Caⓘ FluoriteCaF2
Caⓘ GittinsiteCaZrSi2O7
Caⓘ GrossularCa3Al2(SiO4)3
Caⓘ Heulandite Subgroup(Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
Caⓘ LaumontiteCaAl2Si4O12 · 4H2O
Caⓘ LåveniteNa2Ca2Mn2Zr2(Si2O7)2O2F2
Caⓘ Mosandrite-(Ce)(Ca3REE)[(H2O)2Ca0.5◻0.5]Ti(Si2O7)2(OH)2(H2O)2
Caⓘ Nacareniobsite-(Ce)Na3Ca3(Ce,REE)Nb(Si2O7)2OF3
Caⓘ Parisite-(Ce)CaCe2(CO3)3F2
Caⓘ PectoliteNaCa2Si3O8(OH)
Caⓘ Pyrochlore Group var. Plumbopyrochlore (of Skorobogatova et al.)(Pb,Y,U,Ca)2-xNb2O6(OH)
Caⓘ PrehniteCa2Al2Si3O10(OH)2
Caⓘ Rinkite-(Ce)(Ca3Ce)Na(NaCa)Ti(Si2O7)2(OF)F2
Caⓘ StelleriteCa4(Si28Al8)O72 · 28H2O
Caⓘ Synchysite-(Ce)CaCe(CO3)2F
Caⓘ Synchysite-(Y)CaY(CO3)2F
Caⓘ TitaniteCaTiO(SiO4)
Caⓘ VesuvianiteCa19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9
Caⓘ WollastoniteCa3(Si3O9)
Caⓘ Pyrochlore Group var. Yttropyrochlore (of Hogarth 1977)(Y,Na,Ca,U)1-2(Nb,Ta,Ti)2(O,OH)7
Caⓘ Stilbite-CaNaCa4(Si27Al9)O72 · 28H2O
Caⓘ Turkestanite(K,◻)(Ca,Na)2ThSi8O20 · nH2O
Caⓘ ParisiteCa(Ce/La/Nd/REE)2(CO3)3F2
Caⓘ Andradite var. TopazoliteCa3Fe23+(SiO4)3
Caⓘ Andradite-Grossular Series
Caⓘ Hornblende Root Name Group◻Ca2(C42+C3+)(AlSi7O22)W2
Caⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Caⓘ Ferriallanite-(Ce)(CaCe)(Fe3+AlFe2+)O[Si2O7][SiO4](OH)
Caⓘ Ferricerite-(LaCa)(La6Ca3)◻Fe3+(SiO4)3(SiO3OH)4(OH)3
Caⓘ ApatiteCa5(PO4)3A
Caⓘ Fluornatropyrochlore(Na,Pb,Ca,REE,U)2Nb2O6F
Caⓘ Fluorcalciopyrochlore(Ca,Na)2(Nb,Ti)2O6F
TiTitanium
Tiⓘ AenigmatiteNa4[Fe102+Ti2]O4[Si12O36]
Tiⓘ AnataseTiO2
Tiⓘ AstrophylliteK2NaFe72+Ti2[Si4O12]2O2(OH)4F
Tiⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Tiⓘ BrookiteTiO2
Tiⓘ IlmeniteFe2+TiO3
Tiⓘ Mosandrite-(Ce)(Ca3REE)[(H2O)2Ca0.5◻0.5]Ti(Si2O7)2(OH)2(H2O)2
Tiⓘ Rinkite-(Ce)(Ca3Ce)Na(NaCa)Ti(Si2O7)2(OF)F2
Tiⓘ RutileTiO2
Tiⓘ TitaniteCaTiO(SiO4)
Tiⓘ Magnetite var. Titanium-bearing MagnetiteFe2+(Fe3+,Ti)2O4
Tiⓘ Pyrochlore Group var. Yttropyrochlore (of Hogarth 1977)(Y,Na,Ca,U)1-2(Nb,Ta,Ti)2(O,OH)7
Tiⓘ Chevkinite-(Ce)Ce4(Ti,Fe2+,Fe3+)5O8(Si2O7)2
Tiⓘ Anatase var. Niobium-bearing Anatase(Ti,Nb)O2
Tiⓘ Fluorcalciopyrochlore(Ca,Na)2(Nb,Ti)2O6F
MnManganese
Mnⓘ LåveniteNa2Ca2Mn2Zr2(Si2O7)2O2F2
FeIron
Feⓘ AegirineNaFe3+Si2O6
Feⓘ Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
Feⓘ AenigmatiteNa4[Fe102+Ti2]O4[Si12O36]
Feⓘ Allanite-(Ce)(CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
Feⓘ AndraditeCa3Fe23+(SiO4)3
Feⓘ ArfvedsoniteNaNa2(Fe42+Fe3+)Si8O22(OH)2
Feⓘ AstrophylliteK2NaFe72+Ti2[Si4O12]2O2(OH)4F
Feⓘ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Feⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Feⓘ BorniteCu5FeS4
Feⓘ ChalcopyriteCuFeS2
Feⓘ Andradite var. DemantoidCa3Fe23+(SiO4)3
Feⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Feⓘ EudialyteNa15Ca6Fe3Zr3Si(Si25O73)(O,OH,H2O)3(Cl,OH)2
Feⓘ FayaliteFe22+(SiO4)
Feⓘ Ferro-eckermanniteNaNa2(Fe42+Al)Si8O22(OH)2
Feⓘ GoethiteFe3+O(OH)
Feⓘ HematiteFe2O3
Feⓘ IlmeniteFe2+TiO3
Feⓘ Maghemite(Fe3+0.67◻0.33)Fe23+O4
Feⓘ MagnetiteFe2+Fe23+O4
Feⓘ MarcasiteFeS2
Feⓘ Hematite var. MartiteFe2O3
Feⓘ PyriteFeS2
Feⓘ PyrrhotiteFe1-xS
Feⓘ Riebeckite◻Na2(Fe32+Fe23+)Si8O22(OH)2
Feⓘ Samarskite-(Y)YFe3+Nb2O8
Feⓘ SideriteFeCO3
Feⓘ Magnetite var. Titanium-bearing MagnetiteFe2+(Fe3+,Ti)2O4
Feⓘ VesuvianiteCa19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9
Feⓘ Chevkinite-(Ce)Ce4(Ti,Fe2+,Fe3+)5O8(Si2O7)2
Feⓘ Ferro-ferri-fluoro-leakeiteNaNa2(Fe22+Fe23+Li)(Si8O22)F2
Feⓘ Andradite var. TopazoliteCa3Fe23+(SiO4)3
Feⓘ Andradite-Grossular Series
Feⓘ Fayalite-Forsterite Series
Feⓘ Ferriallanite-(Ce)(CaCe)(Fe3+AlFe2+)O[Si2O7][SiO4](OH)
Feⓘ Ferricerite-(LaCa)(La6Ca3)◻Fe3+(SiO4)3(SiO3OH)4(OH)3
Feⓘ Fluoro-arfvedsoniteNaNa2(Fe42+Fe3+)Si8O22F2
CuCopper
Cuⓘ BorniteCu5FeS4
Cuⓘ ChalcopyriteCuFeS2
Cuⓘ DigeniteCu9S5
ZnZinc
Znⓘ SphaleriteZnS
YYttrium
Yⓘ Bastnäsite(Ce/Nd/Y/REE)(CO3)F
Yⓘ Fergusonite-(Y)YNbO4
Yⓘ Pyrochlore Group var. Plumbopyrochlore (of Skorobogatova et al.)(Pb,Y,U,Ca)2-xNb2O6(OH)
Yⓘ Samarskite-(Y)YFe3+Nb2O8
Yⓘ Synchysite-(Y)CaY(CO3)2F
Yⓘ Xenotime-(Y)Y(PO4)
Yⓘ Pyrochlore Group var. Yttropyrochlore (of Hogarth 1977)(Y,Na,Ca,U)1-2(Nb,Ta,Ti)2(O,OH)7
ZrZirconium
Zrⓘ BaddeleyiteZrO2
Zrⓘ CatapleiiteNa2Zr(Si3O9) · 2H2O
Zrⓘ EudialyteNa15Ca6Fe3Zr3Si(Si25O73)(O,OH,H2O)3(Cl,OH)2
Zrⓘ GittinsiteCaZrSi2O7
Zrⓘ LåveniteNa2Ca2Mn2Zr2(Si2O7)2O2F2
Zrⓘ ZektzeriteLiNaZrSi6O15
Zrⓘ ZirconZr(SiO4)
NbNiobium
Nbⓘ Fergusonite-(Y)YNbO4
Nbⓘ Nacareniobsite-(Ce)Na3Ca3(Ce,REE)Nb(Si2O7)2OF3
Nbⓘ Pyrochlore Group var. Plumbopyrochlore (of Skorobogatova et al.)(Pb,Y,U,Ca)2-xNb2O6(OH)
Nbⓘ Pyrochlore GroupA2Nb2(O,OH)6Z
Nbⓘ Samarskite-(Y)YFe3+Nb2O8
Nbⓘ Pyrochlore Group var. Yttropyrochlore (of Hogarth 1977)(Y,Na,Ca,U)1-2(Nb,Ta,Ti)2(O,OH)7
Nbⓘ Anatase var. Niobium-bearing Anatase(Ti,Nb)O2
Nbⓘ Fluornatropyrochlore(Na,Pb,Ca,REE,U)2Nb2O6F
Nbⓘ Fluorcalciopyrochlore(Ca,Na)2(Nb,Ti)2O6F
MoMolybdenum
Moⓘ MolybdeniteMoS2
SnTin
Snⓘ CassiteriteSnO2
SbAntimony
Sbⓘ StibniteSb2S3
BaBarium
Baⓘ BaryteBaSO4
LaLanthanum
Laⓘ Bastnäsite-(La)La(CO3)F
Laⓘ ParisiteCa(Ce/La/Nd/REE)2(CO3)3F2
Laⓘ Ferricerite-(LaCa)(La6Ca3)◻Fe3+(SiO4)3(SiO3OH)4(OH)3
CeCerium
Ceⓘ Allanite-(Ce)(CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
Ceⓘ Bastnäsite-(Ce)Ce(CO3)F
Ceⓘ Bastnäsite(Ce/Nd/Y/REE)(CO3)F
Ceⓘ Britholite-(Ce)(Ce,Ca)5(SiO4)3OH
Ceⓘ Cerianite-(Ce)Ce4+O2
Ceⓘ Cerite-(CeCa)(Ce7Ca2)◻Mg(SiO4)3(SiO3OH)4(OH)3
Ceⓘ Fluorbritholite-(Ce)(Ce,Ca)5(SiO4)3F
Ceⓘ Monazite-(Ce)Ce(PO4)
Ceⓘ Nacareniobsite-(Ce)Na3Ca3(Ce,REE)Nb(Si2O7)2OF3
Ceⓘ Parisite-(Ce)CaCe2(CO3)3F2
Ceⓘ Rinkite-(Ce)(Ca3Ce)Na(NaCa)Ti(Si2O7)2(OF)F2
Ceⓘ Synchysite-(Ce)CaCe(CO3)2F
Ceⓘ Chevkinite-(Ce)Ce4(Ti,Fe2+,Fe3+)5O8(Si2O7)2
Ceⓘ ParisiteCa(Ce/La/Nd/REE)2(CO3)3F2
Ceⓘ Ferriallanite-(Ce)(CaCe)(Fe3+AlFe2+)O[Si2O7][SiO4](OH)
NdNeodymium
Ndⓘ Bastnäsite(Ce/Nd/Y/REE)(CO3)F
Ndⓘ Rhabdophane-(Nd)Nd(PO4) · H2O
Ndⓘ ParisiteCa(Ce/La/Nd/REE)2(CO3)3F2
TaTantalum
Taⓘ Microlite GroupA2-mTa2X6-wZ1-n
Taⓘ Pyrochlore Group var. Yttropyrochlore (of Hogarth 1977)(Y,Na,Ca,U)1-2(Nb,Ta,Ti)2(O,OH)7
PbLead
Pbⓘ GalenaPbS
Pbⓘ Pyrochlore Group var. Plumbopyrochlore (of Skorobogatova et al.)(Pb,Y,U,Ca)2-xNb2O6(OH)
Pbⓘ Fluornatropyrochlore(Na,Pb,Ca,REE,U)2Nb2O6F
ThThorium
Thⓘ ThorianiteThO2
Thⓘ ThoriteTh(SiO4)
Thⓘ Turkestanite(K,◻)(Ca,Na)2ThSi8O20 · nH2O
UUranium
Uⓘ Pyrochlore Group var. Plumbopyrochlore (of Skorobogatova et al.)(Pb,Y,U,Ca)2-xNb2O6(OH)
Uⓘ Pyrochlore Group var. Yttropyrochlore (of Hogarth 1977)(Y,Na,Ca,U)1-2(Nb,Ta,Ti)2(O,OH)7
Uⓘ Fluornatropyrochlore(Na,Pb,Ca,REE,U)2Nb2O6F

Geochronology

Mineralization age: Oligocene : 24.2 ± 0.6 Ma

Important note: This table is based only on rock and mineral ages recorded on mindat.org for this locality and is not necessarily a complete representation of the geochronology, but does give an indication of possible mineralization events relevant to this locality. As more age information is added this table may expand in the future. A break in the table simply indicates a lack of data entered here, not necessarily a break in the geologic sequence. Grey background entries are from different, related, localities.

Geologic TimeRocks, Minerals and Events
Phanerozoic
 Cenozoic
  Paleogene
   Oligocene
ⓘ Nepheline-syenite24.2 ± 0.6 MaAmpasibitika, Antsirabe, Ambanja District, Diana, Madagascar

Fossils

There are 9 fossil localities from the PaleoBioDB database within this region.

These data are provided on an experimental basis and are taken from external databases. Mindat.org has no control currently over the accuracy of these data.

Occurrences9
Youngest Fossil Listed66.0 Ma (Late/Upper Cretaceous)
Oldest Fossil Listed72.1 Ma (Late/Upper Cretaceous)
Fossils from RegionClick here to show the list.
Accepted NameHierarchy Age
Palaeopsammia
genus
Animalia : Cnidaria : Anthozoa : Scleractinia : Guyniidae : Palaeopsammia72.1 - 66 Ma
Late/Upper Cretaceous
Smilotrochus milneri
species
Animalia : Cnidaria : Anthozoa : Scleractinia : Caryophylliidae : Smilotrochus : Smilotrochus milneri72.1 - 66 Ma
Late/Upper Cretaceous
Stylocyathus besairiei
species
Animalia : Cnidaria : Anthozoa : Scleractinia : Caryophylliidae : Stylocyathus : Stylocyathus besairiei72.1 - 66 Ma
Late/Upper Cretaceous
Palaeopsammia zitteli
species
Animalia : Cnidaria : Anthozoa : Scleractinia : Guyniidae : Palaeopsammia : Palaeopsammia zitteli72.1 - 66 Ma
Late/Upper Cretaceous
Trochocyathus speciosus
species
Animalia : Cnidaria : Anthozoa : Scleractinia : Caryophylliidae : Trochocyathus : Trochocyathus speciosus72.1 - 66 Ma
Late/Upper Cretaceous
Trochocyathus mitratus
species
Animalia : Cnidaria : Anthozoa : Scleractinia : Caryophylliidae : Trochocyathus : Trochocyathus mitratus72.1 - 66 Ma
Late/Upper Cretaceous
Fossil LocalitiesClick to show 1 fossil locality

Other Databases

Wikipedia:https://en.wikipedia.org/wiki/Ambanja_District
Wikidata ID:Q2424379
GeoNames ID:11926402

Localities in this Region

Other Regions, Features and Areas that Intersect

AfricaContinent
African Plate
Madagascar
Somali PlateTectonic Plate

This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

References

 
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