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Nitrum

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Photos of Nitrum (9)Discuss Nitrum

Nitrum Gallery Search Photos of Nitrum

Edit Nitrum Add Synonym Edit CIF structures Clear Cache

Niter

Searcy County, Arkansas, USA

Niter

Bakla Mountain, Skalistoye, Bakhchysarai, Crimea, Ukraine

Niter

Bakla Mountain, Skalistoye, Bakhchysarai, Crimea, Ukraine

Niter

Searcy County, Arkansas, USA

Niter

Bakla Mountain, Skalistoye, Bakhchysarai, Crimea, Ukraine

Niter

Bakla Mountain, Skalistoye, Bakhchysarai, Crimea, Ukraine

Niter

Searcy County, Arkansas, USA

Niter

Bakla Mountain, Skalistoye, Bakhchysarai, Crimea, Ukraine

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About NitrumHide

Synonym of:

Natron, Niter

A name found in ancient writings.

Unique IdentifiersHide

Mindat ID:

30688

Long-form identifier:

mindat:1:1:30688:5

Crystal StructureHide

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

ID	Species	Reference	Year	Locality	Temp (K)
0009366	Natron	Taga T (1969) Crystal structure of Na2CO310H2O* Acta Crystallographica B25 2656-2657	1969	synthetic	293
0009568	Niter	Nimmo J, Lucas B (1976) The crystal structures of gamma- and beta-KNO3 and the alpha-gamma-beta phase transformations _cod_database_code 1000051 Acta Crystallographica B32 1968-1971	1976		293
0010326	Niter	Adiwidjaja G, Pohl D (2003) Superstructure of a-phase potassium nitrate Acta Crystallographica C59 i139-i140	2003	synthetic	293
0013162	Niter	Nimmo J K, Lucas B W (1973) A neutron diffraction determination of the crystal structure of alpha-phase potassium nitrate at 25 C and 100 C Journal of Physics C: Solid State Physics 6 201-211	1973	Synthetic	293
0013163	Niter	Nimmo J K, Lucas B W (1973) A neutron diffraction determination of the crystal structure of alpha-phase potassium nitrate at 25 C and 100 C Journal of Physics C: Solid State Physics 6 201-211	1973	Synthetic	293

CIF Raw Data - click here to close

data_global
_chemical_name_mineral 'Natron'
loop_
_publ_author_name
'Taga T'
_journal_name_full 'Acta Crystallographica, Section B'
_journal_volume 25 
_journal_year 1969
_journal_page_first 2656
_journal_page_last 2657
_publ_section_title
;
 Crystal structure of Na2CO3*10H2O
;
_database_code_amcsd 0009366
_chemical_compound_source 'Synthetic'
_chemical_formula_sum 'Na2 C O13 H20'
_cell_length_a 12.83
_cell_length_b 9.026
_cell_length_c 13.44
_cell_angle_alpha 90
_cell_angle_beta 123.0
_cell_angle_gamma 90
_cell_volume 1305.307
_exptl_crystal_density_diffrn      1.456
_symmetry_space_group_name_H-M 'C 1 c 1'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '1/2+x,1/2+y,z'
  'x,-y,1/2+z'
  '1/2+x,1/2-y,1/2+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
Na1   0.24000   0.22500   0.12800   1.00000   0.02153
Na2   0.25200   0.27000  -0.12800   1.00000   0.02406
C   0.25000   0.75400   0.00000   1.00000   0.01267
O11*   0.26600   0.71800   0.09700   0.50000   0.04433
O12*   0.34400   0.79300  -0.00300   0.50000   0.03166
O13*   0.13900   0.79400  -0.09600   0.50000   0.02533
O11*   0.25300   0.83400  -0.07300   0.50000   0.05826
O12*   0.15100   0.67500  -0.00100   0.50000   0.04813
O13*   0.33600   0.80900   0.09300   0.50000   0.05193
Wat1   0.12500  -0.01200   0.09100   1.00000   0.03800
Wat2   0.37600  -0.44000   0.20800   1.00000   0.02533
Wat3   0.09300   0.31200   0.17500   1.00000   0.02153
Wat4   0.37400   0.12100   0.32200   1.00000   0.02280
Wat5   0.13900   0.37400  -0.05800   1.00000   0.02786
Wat6   0.35500   0.12500   0.04700   1.00000   0.02533
Wat7   0.12800   0.04900  -0.21500   1.00000   0.03166
Wat8   0.37200   0.50200  -0.08000   1.00000   0.03040
Wat9   0.12000   0.37600  -0.33200   1.00000   0.03420
Wat10   0.39900   0.18700  -0.18600   1.00000   0.03420

Other InformationHide

Health Risks:

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

Nitrum in petrologyHide

An essential component of rock names highlighted in red, an accessory component in rock names highlighted in green.

Sedimentary rock and sediment
- Sedimentary rock
  - Biochemical and chemical sedimentary rock
    - Carbonate rock
      - Na-carbonate-rock

Internet Links for NitrumHide

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Mineral Dealers:

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References for NitrumHide

Reference List:

Palache, Charles, Berman, Harry, Frondel, Clifford (1951) The System of Mineralogy (7th ed.) Vol. 2 - Halides, Nitrates, Borates, Carbonates, Sulfates, Phosphates, Arsenates, Tungstates, Molybdates, Ect. John Wiley and Sons, New York.

Localities for NitrumHide

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.

Locality ListHide

- 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.


Algeria
ⓘ Biskra Province	[Niter] Natural History Museum

Antarctica
East Antarctica Buckley Island quadrangle ⓘ Lewis Cliff	[Natron] Liu et al. (2010) +1 other reference

Australia
Australian Capital Territory Paddy's River District ⓘ Cotter Caves	[Niter] McQueen et al. (1988)
Paddy's River Mine ⓘ Unnamed caves	[Niter] McQueen +3 other references
New South Wales Westmoreland County ⓘ Jenolan Caves	[Niter] Podgson RE
Northern Territory MacDonnell Region ⓘ Goyder Pass	[Niter] Mawson (1930)
South Australia Pastoral Unincorporated Area Welbourn Hill ⓘ Byilkaoora-1 bore	[Natron] White et al. (1980)

Austria
Burgenland Neusiedl am See District Apetlon ⓘ Martenhofenlacke	[Natron] A.Csaplovics (2014)
Illmitz ⓘ Oberer Stinkersee	[Natron] Götzinger (2009)

Bahamas
San Salvador District San Salvador Island ⓘ San Salvador caves	[Niter] Onac B.P. et al. (2001) +1 other reference

Belgium
Wallonia Hainaut Mons ⓘ Ciply	[Niter] Drapiez (1823) +2 other references
Liège ⓘ Liège	[Niter] Hatert et al. (2002)

Bolivia
ⓘ Cochabamba	[Niter] Palache et al. (1951)
Potosí Nor Lípez Province San Juan ⓘ Cachilaguna (Cachi Laguna; Laguna Cachi)	[Natron] USGS Bulletin #1975 (1992)
Santa Cruz Ignacio Warnes Province ⓘ Colonia Okinawa Uno	[Niter] Petrov (n.d.) +1 other reference

Brazil
Paraná ⓘ Ponta Grossa	[Niter] Atencio et al. (2022)
Sergipe Rosário do Catete ⓘ Taquari-Vassouras mine	[Niter] www.cetem.gov.br (n.d.)

Bulgaria
Kardzhali Province Momchilgrad Municipality Obichnik ⓘ Obichnik Au-Ag deposit	[Niter] Kunov et al. (1997)

Canada
British Columbia Clinton Mining Division ⓘ Clinton	[Natron] Palache et al. (1951)
Meadow Lake ⓘ Goodenough Lake natron occurrence	[Natron] Peatfield (n.d.)
Kamloops Mining Division Spences Bridge ⓘ Soap Lake evaporite occurrence ?	[Natron] Peatfield (n.d.)
Québec Montérégie La Vallée-du-Richelieu RCM Mont Saint-Hilaire ⓘ Poudrette quarry (De-Mix quarry; Demix quarry; Uni-Mix quarry; Carrière Mont Saint-Hilaire; MSH)	[Natron] Grice (1989) +1 other reference
Saskatchewan ⓘ Ceylon Lake	[Natron] Last (1990)
ⓘ North lngebright Lake	[Niter] Shang (2000)

Chile
Antofagasta Antofagasta Province Sierra Gorda ⓘ Oficina Chacabuco	[Niter] Cooper et al. (1998)
Tocopilla Province María Elena ⓘ Oficina María Elena	[Niter] www.albumdesierto.cl (n.d.)
Salar de Miraje ⓘ Pedro de Valdivia	[Niter] Pueyo et al. (1998)
Tarapacá Tamarugal Province Pozo Almonte ⓘ Cala Cala mine	[Niter] collected by Reynaldo Contreira
ⓘ Soledad mine	[Niter] Personally collected by Reynaldo ...

China
Inner Mongolia Alxa League (Alashan Prefecture) Alxa Left Banner (Alashan Zuoqi) ⓘ Tengger Desert (Tenggeli Desert; Tengger Shamo)	[Natron] Zhenmi Liu (2000)
Tibet Nagqu Baingoin Co. (Bange Co.) ⓘ Bangkog Co (Bangkog Tso; Bange Cuo; Bangge Cuo)	[Natron] Xiyu Zheng and Shengsong Yu (1981) +1 other reference
Nyima Co. (Nima Co.) ⓘ Damxung Co (Dangqiong Co; Tangyung Co; Damxung Tso; Dangqiong Tso; Tangyung Tso; Dangxiong Cuo)	[Natron] Qian Wu et al. (2013)
ⓘ Dujiali lake (Borax lake)	[Natron] Xifang Liu and Mianping Zheng (2010)
ⓘ Guojialin lake	[Natron] Xiyu Zheng and Shengsong Yu (1981) +1 other reference
ⓘ Xinjiang	[Natron] Kezao Chen (1992)
Bayin'gholin Autonomous Prefecture Ruoqiang Co. (Qakilik Co.; Chaqiliq Co.) ⓘ Dawadi salt lake	[Niter] Yanling Tang (2005)
ⓘ Lop Nur (Lop Nuur; Lop lake; Luobu lake; Luobubo)	[Niter] Yanling Tang (2005)
Hotan Prefecture Yutian Co. ⓘ Aqikekol salt lake (Aqike salt lake)	[Natron] Bingxiao (1992)
Ili Kazakh Autonomous Prefecture Tacheng Prefecture (Tarbaghatay Prefecture) Junggar Basin ⓘ Fengcheng Formation	[Natron] Zhang et al. (2019, December) +1 other reference
Turpan Gaochang District ⓘ Xiaohengshan Mine	[Niter] Yanling Tang (2005)
Shanshan Co. Kanggur-Xifengshan gold belt ⓘ Kanggu'er Au deposit (Kanggur Au deposit; Kangur Au deposit; Kanggul Au deposit; Kanggur Tag Au deposit; Kanggu'ertage Au deposit)	[Niter] Zhaoxin Han et al. (2004) +1 other reference
Toksun Co. ⓘ Kumux basin	[Niter] Yanling Tang (2005)

Egypt
Beheira Governorate ⓘ ~~Wadi El-Natrun depression (Wadi El Natroun)~~	[Natron] Marchesini et al. (2009) +1 other reference
ⓘ El-Fazda Lake	[Natron] Salem et al. (2018)
ⓘ Zug Lake	[Natron] Salem et al. (2018)

Ethiopia
Oromia Region ⓘ Lake Shala (Lake Shalla)	[Natron] Field collected by Alfredo Petrov

France
Brittany Finistère Quimper Penmarc'h ⓘ Saint-Nonna church	[Natron] Chauris (2014)

Germany
Rhineland-Palatinate Ahrweiler Brohltal Burgbrohl ⓘ Trass quarry	[Natron] Abandoned puzzolane quarries located in ...
Mayen-Koblenz Vordereifel Ettringen ⓘ Caspar quarry	[Niter] Blaß et al. (2005) +1 other reference

Greece
North Aegean Samos Eastern Samos ⓘ Mytilinii Basin	[Niter] Helvaci et al. (1993)

Hungary
Bács-Kiskun County Kiskőrös District ⓘ Fülöpszállás	[Natron] Sándor et al. (2005)
Csongrád County ⓘ Szeged	[Natron] Palache et al. (1951)
Hajdú-Bihar County ⓘ Debrecen (Debrezin)	[Natron] Palache et al. (1951)
Szabolcs-Szatmár-Bereg County ⓘ Újfehértó	[Natron] Sándor et al. (2005)

Iran
Kurdistan Province Divandarreh County ⓘ Kraftu cave	[Niter] Amin et al. (2022)

Italy
Apulia Metropolitan City of Bari Gravina in Puglia ⓘ San Michele delle Grotte	[Niter] D’Angeli et al. (2022)
Molfetta Pulo di Molfetta ⓘ Ferdinando and Carolina Caves	[Niter] Giornate di studio sul Pulo di Molfetta
Calabria Metropolitan City of Reggio Calabria ⓘ Ardore	[Niter] Fasano (1788)
Caulonia ⓘ Caulonia (Castelvetere)	[Niter] Fasano (1788)
ⓘ Gerace	[Niter] Fasano (1788) +1 other reference
Campania Metropolitan City of Naples ⓘ Mount Vesuvius	[Natron] ... +1 other reference
ⓘ Vesuvius fumaroles	[Natron] Pelloux (1927) +1 other reference
Lombardy Metropolitan City of Milan San Colombano al Lambro ⓘ San Colombano Castle (Belgioioso Castle)	[Natron] Balsamo Crivelli (1864) +1 other reference
Sicily Agrigento Province Sciacca ⓘ Mount San Calogero Caves (Mount Kronio Caves)	[Niter] Jervis (1881)
Metropolitan City of Catania Etna Volcanic Complex ⓘ Mount Etna	[Natron] Palache et al. (1951)
Syracuse Province Syracuse Latomia del Paradiso ⓘ Salpetre Cave	[Niter] Jervis (1881)

Kenya
Trans-Nzoia County Mount Elgon ⓘ Kitum Cave	[Natron] Bowell et al. (1996)

Malaysia
Sarawak Miri Division ⓘ Niah Great Cave (Gunong Jerneb)	[Niter] McFarlane et al. (2018)

Mexico
Coahuila Cuatro Ciénegas Municipality Cuatro Ciénegas (Cuatrociénegas de Carranza; Venustiano Carranza) Limestone caves ⓘ Rancho Guadalupe cave	[Niter] Forti (2006)

Mongolia
Eastern Gobi Desert ⓘ Unnamed salt lakes	[Natron] Palache et al. (1951)

Philippines
Luzon Bicol Region Camarines Norte Province Jose Panganiban ⓘ Larap Fe-Cu-Mo-Au deposit	[Niter] Jianmin Chen (2011)

Romania
Argeş County Curtea de Argeș ⓘ Cathedral of Curtea de Argeș	[Natron] BURUIANA et al. (2024)

Russia
Aldan Shield Chara and Tokko Rivers Confluence Murunskii Massif ⓘ Sirenevyi Kamen' Deposit	[Natron] Vladykin et al. (2018)
Murmansk Oblast Khibiny Massif ⓘ Koashva Mt	[Natron] PEKOV et al. (2013)
ⓘ Kukisvumchorr Mt	[Natron] Pekov et al. (2004)
Lovozersky District ⓘ Alluaiv Mountain	[Natron] Pekov (1998)
Umbozero mine ⓘ Shomiokitovoe pegmatite	[Natron] Pekov (1998) +1 other reference
Karnasurt Mountain Karnasurt mine ⓘ Palitra pegmatite	[Natron] Pekov (2005)

Saudi Arabia
Mecca Region ⓘ Hibashi Cave	[Niter] Forti et al. (2004)

South Africa
North West Ngaka Modiri Molema District Municipality Ramotshere Moiloa Local Municipality Abjaterskop Farm ⓘ Abjaters Cave	[Niter] Martini et al. (1978)
Northern Cape Pixley ka Seme District Municipality Siyathemba Local Municipality ⓘ Hay	[Niter] Palache et al. (1951)
ⓘ Prieska	[Niter] Palache et al. (1951)
Western Cape West Coast District Municipality Cederberg Local Municipality ⓘ Diepkloof Rock Shelter	[Niter] Miller et al. (2013)

Spain
Aragon Huesca Grañén ⓘ Grañen	[Natron] Vizcayno et al. (1995)
Lalueza ⓘ San Lorenzo de Flumen	[Natron] Vizcayno et al. (1995)
Sariñena ⓘ San Juan de Flumen	[Natron] Vizcayno et al. (1995)
Basque Country Biscay Karrantza Harana/Valle de Carranza Donosa quarry (Pozalagua quarry) ⓘ Pozalagua Cave	[Niter] Martínez-Arkarazo et al. (2007)
Castile and Leon Segovia ⓘ Bodón Blanco hyperalkaline playa-lake	[Natron] Buey et al. (2025)
ⓘ Caballo Alba hyperalkaline playa-lake	[Natron] Buey et al. (2025)
ⓘ Las Eras	[Natron] Sanz-Montero et al. (2019) +1 other reference
Catalonia Girona Bescanó ⓘ Crosa de Sant Dalmai volcano	[Natron] Joan Rosell. RosellMinerals (2021)
Valencian Community Alicante Aspe ⓘ Basilica of Our Lady of Succour	[Niter] Benavente +2 other references
Orihuela ⓘ Diocesan College of Santo Domingo	[Niter] Benavente et al. (2018, September)

Switzerland
Vaud Aigle Bex ⓘ Salt mine	[Natron] Stalder et al. (1998)

Tanzania
Arusha region Ngorongoro District ⓘ Olduvai Gorge	[Natron] Hay (1970)

Turkmenistan
Balkan Region ⓘ Garabogazkol (Kara Bogaz Gol)	[Natron] Evseev (1995)
Lebap Region South Tien-Shan Mountains Kugitangtau Ridge ⓘ Kap-Kutan Cave System (Karljuk Cave System; Cupp-Coutunn Cave)	[Niter] Vladimir A. Maltsev (1993)

Uganda
Western Region Kasese Katwe-Kikorongo volcanic field (Katwe volcanic field) ⓘ Katwe Crater Lake	[Natron] Kasedde et al. (2014)

UK
England Cornwall St Just ⓘ Botallack	[Natron] Bowell (1992) +1 other reference

Ukraine
Crimea Bakhchysarai Skalistoye ⓘ Bakla Mountain	[Niter] Dvoichenko P.A. The minerals of Crimea (1914)

USA
Alabama Calhoun County Weaver Station ⓘ Lady Cave	[Niter] Cook et al. (1982)
ⓘ Little Weaver Cave	[Niter] Cook et al. (1982)
ⓘ Weaver Cave	[Niter] Cook et al. (1982)
Jackson County ⓘ Sauta Cave	[Niter] Dean (1995)
ⓘ Tumbling Rock Cave	[Niter] Cook et al. (1982)
Lawrence County ⓘ Gun Pond	[Niter] Cook et al. (1982)
Limestone County ⓘ Indian Cave	[Niter] Cook et al. (1982)
ⓘ Rock House Springs Cave	[Niter] Cook et al. (1982)
Marshall County Newsome Sinks ⓘ Wolf Cave	[Niter] Cook et al. (1982)
Morgan County Trinity ⓘ Trinity Cave	[Niter] Cook et al. (1982)
Winston County Black Warrior River ⓘ Unnamed cave	[Niter] Cook et al. (1982)
Arizona Coconino County Winona ⓘ Walnut Canyon Niter occurrence	[Niter] Guild (1910) +2 other references
Greenlee County Peloncillo Mountains ⓘ Northeast of Bowie	[Niter] Galbraith (1959) +1 other reference
Pinal County Aravaipa Creek area ⓘ Aravaipa Canyon	[Niter] Galbraith (1959)
Arkansas Baxter County ⓘ Saltpeter Cave	[Niter] Plemons (2006)
ⓘ Saltpeter Cave Shelter	[Niter] Plemons (2006)
Carroll County ⓘ Cane Creek Cave	[Niter] Plemons (2006)
Independence County ⓘ Saltpeter Cave	[Niter] Plemons (2006)
Marion County ⓘ Bain Saltpeter Cave	[Niter] Plemons (2006)
ⓘ Bean Saltpeter Cave	[Niter] Plemons (2006)
ⓘ Saltpeter Cave	[Niter] Plemons (2006)
Newton County ⓘ Cal Thompson Saltpeter Cave	[Niter] Plemons (2006)
ⓘ Cave Mountain Cave	[Niter] Plemons (2006)
ⓘ Hale Saltpeter Cave	[Niter] Plemons (2006)
ⓘ Saltpeter Cave	[Niter] Plemons (2006)
ⓘ Searcy County	[Niter] The Encyclopedia of Arkansas History & Culture (http://encyclopediaofarkansas.net)
ⓘ Big Room Saltpeter Cave	[Niter] Plemons (2006)
ⓘ Saltpeter Cave	[Niter] Plemons (2006)
ⓘ Salts Mine	[Niter] Plemons (2006)
Stone County ⓘ Old Saltpeter Cave	[Niter] Plemons (2006)
ⓘ Saltpeter Cave # 1	[Niter] Plemons (2006)
ⓘ Saltpeter Cave # 2	[Niter] Plemons (2006)
ⓘ Washington County	[Niter] Howard (2007)
California Imperial County ⓘ Mundo (Volcano Station)	[Niter] Merrill (1916) +1 other reference
Inyo County ⓘ Badwater Basin	[Niter] Bailey (1902) +2 other references
China Ranch (Morrison Ranch) ⓘ Upper Canyon Nitrate deposit (Upper Canyon Niter beds; Nitre Beds; Upper Canyon beds)	[Niter] summary for 1912: Mineral Resources U.S. +6 other references
Dublin Hills Shoshone ⓘ Unnamed Nitrate-Borate deposits	[Niter] Noble (1931) +1 other reference
ⓘ Old lake shorelines	[Niter] Bailey (1902) +1 other reference
Owens Valley Olancha ⓘ Owens Lake	[Natron] Its occurrence and utilization: USGS ... +4 other references
Kern County Tehachapi Mountains Monolith (Manolith) ⓘ Unspecified Niter occurrence [1]	[Niter] Mansfield (1927) +1 other reference
Lake County Sulphur Creek Mining District (Sulfur Creek Mining District; Wilbur Springs Mining District) Clear Lake Oaks ⓘ Borax Lake (Big Borax Lake)	[Natron] Palache et al. (1951)
Modoc County ⓘ Cedarville	[Niter] Murdoch (1966)
Riverside County ⓘ Mud Hill occurrence	[Niter] Noble (1931) +3 other references
Salton ⓘ Unspecified Nitrate occurrence [1]	[Niter] Bailey (1902) +1 other reference
Vivet Eye ⓘ Vivet Eye area nitrate deposits	[Niter] Turner (1907) +1 other reference
San Bernardino County Owlshead Mountains Owl Hole Springs ⓘ Unnamed Borate-Nitrate occurrences [1]	[Niter] Bailey (1902) +1 other reference
ⓘ Searles Lake	[Natron] Gale (1915) +2 other references
Slate Range ⓘ Pilot Nitrate field (Pilot beds)	[Niter] Bailey (1902) +1 other reference
San Mateo County Menlo Park Sharon Heights ⓘ Sharon Park Drive outcrop	[Niter] Pampeyan (2010)
Colorado Alamosa County ⓘ Soda Lakes	[Natron] Eckel et al. (1997)
ⓘ Death Valley National Park	[Niter] Palache et al. (1951) +1 other reference
Georgia Bartow County Kingston ⓘ Saltpeter Cave	[Niter] Cook (1978)
ⓘ Green River Formation	[Natron] Milton (1977) +1 other reference
Idaho Clark County Dubois ⓘ Unnamed lava tube	[Niter] Palache et al. (1951) +1 other reference
Illinois Jackson County ⓘ Saltpeter Cave	[Niter] Plemons (2006)
Monroe County ⓘ Fults Saltpeter Cave	[Niter] Plemons (2006)
ⓘ Kentucky	[Niter] Anderson (1994)
Rockcastle County ⓘ Great Saltpetre Cave ?	[Niter] www.rkci.org (2008)
Missouri Callaway County Portland ⓘ Saltpetre Cave	[Niter] Sherwood et al. (1998)
Maries County ⓘ Boulware Cave	[Niter] Sherwood et al. (1998)
Nevada Churchill County Lake Mining District ⓘ Niter Butte	[Niter] U.S. Bureau of Mines Circular 7093 (1939)
Soda Lake Mining District ⓘ Little Soda Lake	[Natron] Castor et al. (2004)
ⓘ Ragtown	[Natron] Palache et al. (1951) +1 other reference
ⓘ Soda Lake	[Natron] Castor et al. (2004)
Clark County Spring Mountains Charleston Mining District ⓘ Charleston	[Niter] Castor et al. (2004)
Esmeralda County Silver Peak Mining District ⓘ Silver Peak	[Niter] Castor et al. (2004)
Humboldt County ⓘ Sulphur Mining District	[Natron] Castor et al. (2004)
Lander County ⓘ Smoky Valley	[Niter] Castor et al. (2004)
Mineral County ⓘ Double Springs Marsh Mining District	[Natron] USBM Inf Circ 6941 (1938)
Washoe County Leadville Mining District ⓘ Grass Valley Creek	[Niter] Castor et al. (2004)
ⓘ Upper Niter Claims	[Niter] - (2005)
New Mexico Eddy County ⓘ Lyon prospect	[Niter] Northrop et al. (1996)
Hidalgo County ⓘ Adobe Creek	[Niter] Palache et al. (1951) +1 other reference
Animas Valley ⓘ Fitch claims	[Niter] Northrop et al. (1996)
ⓘ Rodeo area	[Niter] Northrop et al. (1996)
ⓘ East of	[Niter] Northrop et al. (1996)
ⓘ Pratt Station	[Niter] Northrop et al. (1996)
ⓘ Socorro County	[Niter] NSS Bull. 43:127-132
ⓘ Lava Station area	[Niter] Palache et al. (1951) +1 other reference
ⓘ North Carolina	[Niter]
Burke County Linville Gorge ⓘ Linville Saltpeter Cave	[Niter] Plemons (2006)
ⓘ Cherokee County	[Niter] Genth
ⓘ Nantehala River Occurrence	[Niter] Gale (1912)
Swain County ⓘ Great Smoky Mountains	[Niter] Coskren et al. (2000)
Oregon Lake County ⓘ Alkali Lake	[Natron] Rooney et al. (1969)
ⓘ Tennessee	[Niter] Pough
Cannon County ⓘ Bob Williams Cave	[Niter] ...
ⓘ Espey Cave	[Niter] ...
ⓘ Robinson Ridge Cave	[Niter] ...
Claiborne County ⓘ Buis Saltpeter Cave	[Niter] ...
ⓘ Chadwells Cave	[Niter] ...
ⓘ Kings Saltpeter Cave	[Niter] ...
Coffee County ⓘ Carroll Cave	[Niter] ...
Cumberland County ⓘ Grassy Cove Cave	[Niter] ...
DeKalb County Dowelltown ⓘ Indian Grave Point Cave	[Niter] ...
Fentress County Buffalo Cove ⓘ Buffalo Cave	[Niter] ...
ⓘ Campbell Saltpeter Cave	[Niter] ...
ⓘ Mountain Eye Cave	[Niter] ...
ⓘ Wolf River Cave	[Niter] ...
ⓘ Zarathustra Cave	[Niter] ...
Franklin County ⓘ Crownover Saltpeter Cave	[Niter] ...
ⓘ Flat Cave	[Niter] ...
ⓘ Lost Cove Cave	[Niter] ...
Grainger County ⓘ Indian Cave	[Niter] ...
Hamilton County ⓘ Chattanooga Cave (Lookout Cave)	[Niter] www.mtsuedu / ~ cwtech / saltpeter / ...
Hickman County ⓘ Cane Creek- Blowing Cave	[Niter] ...
Knox County ⓘ Knox County Caves	[Niter] www.mtsuedu / ~ cwtech / saltpeter / ...
Macon County ⓘ Aunt Beck Simmons Cave	[Niter] Plemons (2006)
ⓘ Chitwood (Saltpeter) Cave	[Niter] Plemons (2006)
ⓘ Lick Branch Saltpeter Cave	[Niter] Plemons (2006)
ⓘ Whiteoak Saltpeter Cave	[Niter] Plemons (2006)
Marion County ⓘ Marion County Cave	[Niter] www.mtsuedu / ~ cwtech / saltpeter / ...
ⓘ Nicajack Cave (Nicojack Cave)	[Niter] www.mtsuedu / ~ cwtech / saltpeter / ...
Monroe County ⓘ Mil Sick Knobs Cave	[Niter] www.mtsuedu / ~ cwtech / saltpeter / ...
ⓘ Monroe County Caves	[Niter] www.mtsuedu / ~ cwtech / saltpeter / ...
ⓘ Nelson Cave	[Niter] www.mtsuedu / ~ cwtech / saltpeter / ...
Roane County ⓘ Kingston Saltpeter Cave	[Niter] www.mtsuedu / ~ cwtech / saltpeter / ...
Robertson County ⓘ Robertson saltpeter cave	[Niter] Paris (2011)
Shelby County ⓘ White River Caves	[Niter] www.mtsuedu / ~ cwtech / saltpeter / ...
Smith County ⓘ Bridgewater Cave	[Niter] Paris (2011)
ⓘ Piper Cave	[Niter] Paris (2011)
Van Buren County ⓘ Big Bone Cave	[Niter] www.mtsuedu / ~ cwtech / saltpeter / ...
White County ⓘ Cave Hill saltpeter pits	[Niter] www.mtsuedu / ~ cwtech / saltpeter / ...
ⓘ M.C Dibrell and County Caves	[Niter] www.mtsuedu / ~ cwtech / saltpeter / ...
Texas Brewster County ⓘ Aqua Fria Mountain	[Niter] American Mineralogist (1926) +1 other reference
Presidio County ⓘ Capote Creek Mine	[Niter] Price (1983)
Utah Iron County ⓘ Parowan	[Niter] Bullock (1981)
Millard County ⓘ Fillmore	[Niter] Bullock (1981)
Virginia Augusta County ⓘ Madison's Saltpeter Cave	[Niter] Dietrich (1990)
Bath County ⓘ Breathing Cave (Burnsville Saltpeter Cave)	[Niter] Dietrich (1990)
ⓘ Clarks Cave	[Niter] Dietrich (1990)
ⓘ Mountain Grove Saltpeter Cave	[Niter] Dietrich (1990)
ⓘ Starr Chapel Saltpeter Cave	[Niter] Dietrich (1990)
Bland County ⓘ Hamilton Cave	[Niter] Dietrich (1990)
ⓘ Repass Saltpeter Cave	[Niter] Dietrich (1990)
Botetourt County ⓘ Peary Salt Peter Cave (Perry Saltpeter Cave)	[Niter] Dietrich (1990)
Craig County ⓘ Saltpeter Cave	[Niter] Dietrich (1990)
Giles County ⓘ Canoe Cave	[Niter] Dietrich (1990)
ⓘ Curve Saltpeter Cave	[Niter] Dietrich (1990)
ⓘ Saltpeter Cave	[Niter] Dietrich (1990)
Highland County ⓘ Arbegast Saltpeter Cave	[Niter] Dietrich (1990)
ⓘ Hupman's Saltpeter Cave	[Niter] Dietrich (1990)
ⓘ Varneer's Cave	[Niter] Dietrich (1990)
Lee County ⓘ Cumberland Mountain Saltpeter Cave	[Niter] Dietrich (1990)
ⓘ Gilley Cave (White House Cave)	[Niter] Dietrich (1990)
ⓘ Jasper Saltpeter Cave	[Niter] Dietrich (1990)
ⓘ Jones Saltpeter Cave (Ewing Saltpeter Cave)	[Niter] Dietrich (1990)
ⓘ Reason Cave	[Niter] Dietrich (1990)
Page County ⓘ Saltpeter Cave	[Niter] Dietrich (1990)
Pulaski County ⓘ Mebane Saltpeter No. 1 Cave	[Niter] Dietrich (1990)
ⓘ Mebane Saltpeter No. 2 Cave	[Niter] Dietrich (1990)
Rockbridge County Glasgow ⓘ Lone Jack Quarry	[Niter] Dietrich (1985)
Scott County ⓘ Natural Tunnel	[Niter] Dietrich (1990)
Smyth County ⓘ Buchanan Saltpeter Cave	[Niter] Dietrich (1990) +1 other reference
ⓘ Little Saltpeter Cave	[Niter] Dietrich (1990)
ⓘ Tilson's Saltpeter Cave	[Niter] Dietrich (1990)
ⓘ Ward Saltpeter Cave	[Niter] Dietrich (1990)
Wise County ⓘ Big Kelly Cave	[Niter] Dietrich (1990)
ⓘ Big Kennedy Cave	[Niter] Dietrich (1990)
ⓘ Little Kelly Cave	[Niter] Dietrich (1990)
ⓘ Little Kennedy Cave	[Niter] Dietrich (1990)
ⓘ Powell Mountain Saltpeter Cave	[Niter] Dietrich (1990)
ⓘ Rocky Hollow Cave	[Niter] Dietrich (1990)
ⓘ Wildcat Saltpeter Cave	[Niter] Dietrich (1990)
Wythe County ⓘ Sutherland Saltpeter Cave	[Niter] Dietrich (1990)
Washington Grant County Soap Lake ⓘ Mitchell Lake (Soda Lake)	[Natron] Bennett (1962)
Warden ⓘ Carbonate Lake	[Natron] W. A. G. Bennett
ⓘ Okanogan County	[Natron] www.dnr.wa.gov/geology/okanogan.htm.
West Virginia Grant County ⓘ Peacock Cave	[Niter] Davies (July 1958)
Greenbrier County ⓘ Bob Gee Cave	[Niter] Davies (July 1958)
ⓘ Organ Cave	[Niter] Johnson
ⓘ Monroe County	[Niter] - (1917)
Pendleton County ⓘ New Trout Cave	[Niter] Burton Faust
ⓘ Trout Cave	[Niter] Burton Faust
ⓘ Pocahontas County	[Niter] - (1917)
Wyoming ⓘ Natrona County	[Natron] - (2004)
ⓘ Sweetwater County	[Niter] Gale (1912)

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