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Chamosite-Pennantite Series

A solid-solution series between two end-member minerals

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Photos of Chamosite-Pennantite Series (290)Discuss Chamosite-Pennantite Series

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Chamosite

Tuften, Tvedalen, Larvik Commune, Vestfold, Norway

Chamosite

Luserna Stone Quarries, Metropolitan City of Turin, Piedmont, Italy

Chamosite, etc.

Balma Oro Quarry, Montoso Quarries, Bagnolo Piemonte, Cuneo Province, Piedmont, Italy

Chamosite

Tuften, Tvedalen, Larvik Commune, Vestfold, Norway

Chamosite

Luserna Stone Quarries, Metropolitan City of Turin, Piedmont, Italy

Chamosite, etc.

Balma Oro Quarry, Montoso Quarries, Bagnolo Piemonte, Cuneo Province, Piedmont, Italy

Chamosite

Tuften, Tvedalen, Larvik Commune, Vestfold, Norway

Chamosite

Luserna Stone Quarries, Metropolitan City of Turin, Piedmont, Italy

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About Chamosite-Pennantite SeriesHide

Series Formula:

Fe₅²⁺Al(AlSi₃O)₁₀(OH)₈ to Mn₅²⁺Al(AlSi₃O₁₀)(OH)₈

A series between Chamosite and Pennantite

Unique IdentifiersHide

Mindat ID:

54586

Long-form identifier:

mindat:1:1:54586:4

Chemical AnalysisHide

Oxide wt%:

	2	3
SiO₂	27.8 %	26.22 %
Al₂O₃	11.6 %	11.14 %
Fe₂O₃	19.1 %
FeO	25.5 %	44.83 %
MnO	1.7 %	1.74 %
MgO	1.4 %	1.45 %
H₂O	12.9 %	13.49 %
CaO		0.98 %
Na₂O		0.09 %
K₂O		0.08 %
Total:	100 %	100.02 %

Sample references:

ID	Locality	Reference	Notes
2	Tuften, Tvedalen, Larvik Commune, Vestfold, Norway	Larsen, Alf Olav (2010) Chemical analysis of the minerals of the pegmatites in the Larvik plutonic complex. Unpublished supplement to the book " The Langesundsfjord".	XRF analysis by A. O. Larsen. Fe2+ by titration. H2O by difference.
3	" "	Larsen, Alf Olav (2010) Chemical analysis of the minerals of the pegmatites in the Larvik plutonic complex. Unpublished supplement to the book " The Langesundsfjord".	EMP analysis by M. Erambert. H2O by difference.

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	Link	Year	Locality	Pressure (GPa)	Temp (K)
0012235	Chamosite	Walker J R, Bish D L (1992) Application of Rietveld refinement techniques to a disordered IIb Mg-chamosite Clays and Clay Minerals 40 319-322		1992	Lebanon, New Hampshire, USA	0	293

CIF Raw Data - click here to close

data_global
_chemical_name_mineral 'Chamosite'
loop_
_publ_author_name
'Walker J R'
'Bish D L'
_journal_name_full 'Clays and Clay Minerals'
_journal_volume 40 
_journal_year 1992
_journal_page_first 319
_journal_page_last 322
_publ_section_title
;
 Application of Rietveld refinement techniques to a disordered IIb Mg-chamosite
;
_database_code_amcsd 0012235
_chemical_compound_source 'Lebanon, New Hampshire, USA'
_chemical_formula_sum '(Mg2.518 Fe2.482) Al1.2 Si3.8 O18 H10'
_cell_length_a 5.36982
_cell_length_b 9.3031
_cell_length_c 14.2610
_cell_angle_alpha 90.315
_cell_angle_beta 97.234
_cell_angle_gamma 90.022
_cell_volume 706.740
_exptl_crystal_density_diffrn      2.993
_symmetry_space_group_name_H-M 'C -1'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '1/2+x,1/2+y,z'
  '-x,-y,-z'
  '1/2-x,1/2-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
MgM1   0.00000   0.00000   0.00000   0.53800   0.00200
FeM1   0.00000   0.00000   0.00000   0.46200   0.00200
MgM2   0.01410   0.33480   0.00270   0.49600   0.00200
FeM2   0.01410   0.33480   0.00270   0.50400   0.00200
MgM3   0.00320   0.16830   0.50040   0.49400   0.00200
FeM3   0.00320   0.16830   0.50040   0.50600   0.00200
AlM4   0.00000   0.50000   0.50000   1.00000   0.00300
SiT1   0.24000   0.17000   0.19410   0.95000   0.00100
AlT1   0.24000   0.17000   0.19410   0.05000   0.00100
SiT2   0.73000   0.99800   0.19450   0.95000   0.00100
AlT2   0.73000   0.99800   0.19450   0.05000   0.00100
O1   0.19100   0.16350   0.07890   1.00000   0.01100
O2   0.70500   0.99800   0.07560   1.00000   0.01100
O3   0.23100   0.33600   0.23740   1.00000   0.01100
O4   0.52800   0.11800   0.23020   1.00000   0.01100
O-H5   0.01800   0.06100   0.23060   1.00000   0.01100
O-H6   0.68900   0.33120   0.07420   1.00000   0.01100
O-H7   0.14400   0.99900   0.43000   1.00000   0.01100
O-H8   0.14300   0.33610   0.42860   1.00000   0.01100
O-H9   0.64300   0.16270   0.43110   1.00000   0.01100

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.

Internet Links for Chamosite-Pennantite SeriesHide

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References for Chamosite-Pennantite SeriesHide

Reference List:

Localities for Chamosite-Pennantite SeriesHide

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.


Afghanistan
Nangarhar Sherzad District ⓘ Marki Khel	[Chamosite] various added photos

Algeria
Annaba Province Annaba District Edough Massif ⓘ Aïn Barbar	[Chamosite] Bull. Minéral.
Tindouf Province Tindouf District ⓘ Gara Djebilet iron deposit	[Chamosite var: Bavalite] www.portergeo.com.au (2007)

Antarctica
East Antarctica Wilkes Land Clark Peninsula ⓘ Manganese lens	[Chamosite] Plimer et al. (1983)

Argentina
Catamarca Province Belén Department Corral Quemado Papachacra ⓘ Papachacra pegmatites	[Chamosite] Rocks & Min. (2007)
Sierra de Ancasti El Portezuelo ⓘ El Portezuelo Granite	[Chamosite] COLOMBO +2 other references
Jujuy Province El Carmen Department Puesto Viejo ⓘ Puesto Viejo Mine	[Chamosite] Laznicka (1981)
ⓘ Palpalá Department	[Chamosite] Victorio Angelelli (1984)
Zapla mining district ⓘ Altos Hornos Zapla	[Chamosite] Victorio Angelelli (1984)
ⓘ Cerro Zapla	[Chamosite] Victorio Angelelli (1984)
Cerro La Cruz ⓘ 9th of October Mine	[Chamosite] Victorio Angelelli (1984)
Salta Province La Poma Department El Quemado mining district ⓘ Santa Elena pegmatite	[Chamosite] López de Azarevich et al. (2021)
San Juan Province Calingasta Department Calingasta ⓘ San Francisco de los Andes mine	[Chamosite] Zubía et al. (2008)
Tierra del Fuego Province Ushuaia Department ⓘ Arroyo Rojo and Sargent prospects	[Chamosite] Biel et al. (2010)

Armenia
Kotayk Province Hrazdan ⓘ Hrazdan Iron-Ore project	[Chamosite] Bowell et al. (2021)

Atlantic Ocean
Mid-Atlantic Ridge complex Sierra Leone fracture zone Markov Deep ⓘ Northeastern rim	[Chamosite] Sharkov et al. (2007)

Australia
Australian Capital Territory Paddy's River District ⓘ Paddy's River Mine	[Chamosite] McQueen +2 other references
New South Wales Bligh Co. ⓘ Leadville	[Chamosite var: Brunsvigite] Ashley et al. (1997)
Mouramba Co. Nymagee ⓘ Federation Mine	[Chamosite] Schellen et al. (2021)
ⓘ Nymagee Copper Mine (Mouramba Copper Mine)	[Chamosite] Fitzherbert et al. (2017)
Yancowinna Co. Broken Hill district ⓘ Broken Hill	[Chamosite] Birch (1999)
Northern Territory Barkly Region Barrow Creek ⓘ Home of Bullion Copper Mine	[Chamosite] Smithsonite
Central Desert Region Tanami Range ⓘ Oberon deposit	[Chamosite] Silcock (2011)
Queensland Charters Towers Region ⓘ Moonlight prospect	[Chamosite] Paul (2010)
City of Mount Isa May Downs Station ⓘ Slaughteryard Creek	[Chamosite] King (n.d.)
Cloncurry Shire Cloncurry ⓘ Ernest Henry Cu-Au deposit (Ernest Henry Mine)	[Chamosite] Schlegel et al. (2022)
Etheridge Shire Georgetown ⓘ Maureen deposit	[Chamosite] Hurtig et al. (2014)
ⓘ North Burnett Region	[Chamosite] Updated list originally distributed by ...
Mount Biggenden ⓘ Biggenden Mine	[Chamosite] Edraki et al. (2025)
South Australia Pastoral Unincorporated Area Anabama Hill ⓘ Anabama Hill Cu deposit	[Chamosite] Hong et al. (2025)
Iron Knob ⓘ Iron Monarch Main Pit	[Pennantite] Sorrell (n.d.)
Pernatty ⓘ Carrapateena Project (Carrapateena Deposit)	[Chamosite] Habibi et al. (2025)
ⓘ Weekeroo (Weekeroo Station)	[Chamosite] Bottrill (2018)
Tasmania Circular Head municipality Balfour-Temma district ⓘ Roaring 32S	[Chamosite] Bottrill
Temma ⓘ Nelson Bay River mine	[Chamosite] R. Bottrill
ⓘ Strickland mine	[Chamosite] Bottrill
Waratah-Wynyard municipality Corinna-Savage River district ⓘ Savage River Mines	[Chamosite] Bottrill & Taheri
West Coast municipality Queenstown district Queenstown ⓘ Mount Lyell Mines	[Chamosite] Ralph Bottrill et al in prep. +1 other reference
ⓘ Prince Lyell Mine	[Chamosite] Bottrill et al. (2008)
Western Australia Cue Shire Madoonga Station ⓘ Weld Range	[Chamosite] Gole (1980)
Derby-West Kimberley Shire Napier Downs Station ⓘ Narlarla Mine (Barker Gorge)	[Chamosite] Ferguson (1999)
Kalgoorlie-Boulder Shire Kalgoorlie-Boulder ⓘ Kalgoorlie Consolidated Gold Mines	[Chamosite] Simpson (1948)
ⓘ Lake View Consols Gold Mine (Lake View and Star)	[Chamosite]
ⓘ Perseverance Gold Mine (Boulder Perseverance Mine)	[Chamosite] Simpson (1948)
Mount Monger Goldfield Randalls ⓘ Santa Gold Mine (Craze; Cressfield)	[Chamosite] Simpson (1948)
Laverton Shire Yamarna Gruyere Gold Project ⓘ Gruyere Mine	[Chamosite] Schreefel et al. (2025)
Leonora Shire Leinster ⓘ Thunderbox Gold Mine	[Chamosite] Du Puy (2003)

Austria
Burgenland Oberwart District Stadtschlaining ⓘ Antimony mine ?	[Chamosite] Huber et al. (1977) +1 other reference
Carinthia Klagenfurt-Land District ⓘ Moosburg	[Chamosite] Niedermayr et al. (1995)
Stallhofen ⓘ Kamuderkeusche	[Chamosite var: Bavalite] Meixner (1978) +1 other reference
Spittal an der Drau District Flattach Innerfragant ⓘ Großfragant copper mines	[Chamosite]
Großkirchheim ⓘ Zirknitz	[Chamosite] Niedermayr et al. (1995)
Heiligenblut am Großglockner ⓘ Zirmsee area	[Chamosite] Zepharovich (1877)
ⓘ Gold mine (Goldzeche)	[Chamosite] Niedermayr et al. (1995)
ⓘ Zirmseekar	[Chamosite] Niedermayr et al. (1995)
Malta Kleinelend glacier ⓘ Copper ore veins	[Chamosite] Mikl et al. (2014)
Villach-Land District Finkenstein am Faaker See Korpitsch ⓘ Ulrich valley	[Chamosite] Brandstätter F. et al. (2015)
Lower Austria Baden District Alland ⓘ Naglberg	[Chamosite] Described on an info shield at the ...
Horn District Drosendorf-Zissersdorf ⓘ Wolfsbach	[Chamosite] Kolitsch (2019)
Geras Kottaun ⓘ Arzberg	[Chamosite] Kolitsch (2015)
Irnfritz-Messern Fuchsberggraben ⓘ Vorderleitner quarry	[Chamosite] Kolitsch et al. (2015)
Pernegg ⓘ Pernegger Graben	[Chamosite] Kolitsch et al. (2020)
Krems-Land District Gföhl Felling ⓘ Latzenhof	[Chamosite] Kolitsch (2017)
Maria Laach am Jauerling Felbring ⓘ Siebenhandl quarry (Kraxnerklippe)	[Chamosite] Löffler et al. (2011)
Weinzierl am Walde Maigen ⓘ Tannenfeld (Tannfeld)	[Chamosite] Kolitsch (2018)
Melk District Hofamt Priel ⓘ Rottenhof graphite mine	[Chamosite] Kolitsch (2025)
Persenbeug-Gottsdorf Loja ⓘ Quarry IV- Middle & Northern Area	[Chamosite] Löffler et al. (2011)
Weiten Am Schuß ⓘ Am Schuß quarry	[Chamosite] Kolitsch (2023)
Mistelbach District Falkenstein ⓘ Falkenstein Castle	[Chamosite] Kolitsch et al. (2015)
Neunkirchen District Gloggnitz ⓘ Semmering basis tunnel	[Chamosite] Kolitsch et al. (2016)
Prigglitz Gasteil ⓘ Sandriegel (Gasteil Cu I; copper mine)	[Chamosite] Kolitsch et al. (2014) +1 other reference
Sankt Pölten-Land District Obritzberg-Rust ⓘ Steinhof quarry	[Chamosite] Kolitsch et al. (2023)
Waidhofen an der Thaya District Raabs an der Thaya Eibenstein an der Thaya ⓘ Hengl quarry	[Chamosite] Kolitsch et al. (2015) +1 other reference
Wiener Neustadt-Land District Wiesmath ⓘ Sperkerriegel	[Chamosite] Kolitsch (2014)
Zwettl District Kottes-Purk Fohra ⓘ Trastallhof	[Chamosite] Löffler et al. (2018)
Salzburg St. Johann im Pongau District Bad Gastein Naßfeld valley Sportgastein ⓘ Power station	[Chamosite] Kolitsch (2014)
Mühlbach am Hochkönig ⓘ Arthur adit	[Chamosite] C.Auer (2025)
Tamsweg District Muhr Muhr ⓘ Hintermuhr pressure duct	[Chamosite] Niedermayr (2000)
Zell am See District Bramberg am Wildkogel ⓘ Kar Alp area	[Chamosite] Martin Gruell
ⓘ Leffler source	[Chamosite] Lapis 2006-6
Krimml ⓘ Söllnkar	[Chamosite] JoEsche specimen
Mittersill ⓘ Rettenbach (Rettenbachgraben)	[Chamosite] Kolitsch (2020)
Neukirchen am Großvenediger Hopffeld area ⓘ Hopffeldboden	[Chamosite] Kolitsch (2013)
Uttendorf Ödenwinkel glacier Ödenwinkel area ⓘ Eiskögele (north face)	[Chamosite] King (n.d.)
Styria Bruck-Mürzzuschlag District Sankt Barbara im Mürztal Veitsch Kleinveitsch Kaiblinggraben ⓘ Friedlkogel (Friedelkogel; Heinzlkogel)	[Pennantite] Francis (2004)
Spital am Semmering Steinhaus am Semmering Fröschnitz valley (Fröschnitz) Hasen valley ⓘ Arzberg am Semmering mines	[Chamosite] Auer (2020)
Leoben District Eisenerz ⓘ Styrian Erzberg	[Chamosite] C.Auer (2024)
Kalwang Langteichengraben (Lange Teichen) Teichen Mine ⓘ Gotthardi adit	[Chamosite] Arthofer et al. (2025)
Sankt Michael in Obersteiermark ⓘ Gleinalm tunnel	[Chamosite] Taucher et al. (2015)
Sankt Stefan ob Leoben Kaisersberg ⓘ Graphite mine	[Chamosite] C. Auer (2023)
ⓘ Hartlegraben	[Chamosite] Auer (2025)
Liezen District Schladming Obertalbach valley ⓘ Duisitzkar	[Chamosite] Kolitsch et al. (2021)
Murau District Teufenbach-Katsch Katsch an der Mur ⓘ Schwarzenberg quarry (Katsch quarry)	[Chamosite] Annalen 1999
Weiz District Gasen ⓘ Plankogel (Antoni adit; Neu Barbara adit)	[Chamosite] Annalen 1999
Tyrol Innsbruck-Land District Navis ⓘ Navis stream (Navis creek)	[Pennantite] Kolitsch et al. (2019)
Trins ⓘ Kirchdachspitze	[Pennantite] Kolitsch et al. (2021)
Lienz District Prägraten am Großvenediger Hinterbichl Ströden Maurerbach valley ⓘ Hinterer Maurerkeeskopf south slope	[Chamosite] Gerd Stefanik
Schwaz District Mayrhofen ⓘ Niedere Barm	[Chamosite] R. Dallinger & J. Gufler (2006)
Zell am Ziller ⓘ Gold mines	[Chamosite var: Bavalite] Schulz (1984)
Upper Austria Schärding District Sankt Florian am Inn Allerding ⓘ Granite quarry	[Chamosite] Horninger (1936) +1 other reference
Vorarlberg Bludenz District Gaschurn Ochsen valley ⓘ Ochsen valley glacier	[Chamosite] Kolitsch (2016)
Lorüns ⓘ Limestone quarry	[Chamosite] Kolitsch (2015)
Nenzing Gamperdona valley ⓘ Nenzinger Himmel	[Chamosite] Brandstätter et al. (2014)
Sankt Gallenkirch Gortipohl ⓘ Lutersee area (Alpe Netza)	[Chamosite] Kolitsch (2015)
Schruns ⓘ Sennigrat-Kreuzjoch-Hochjoch area	[Chamosite] Kolitsch (2017)
Silbertal ⓘ Fellimännle	[Chamosite] Kolitsch (2013)
Fresch alp ⓘ Langsee (Seekopf)	[Chamosite] Kolitsch (2015)
Valschavielkopf (Eisernes Tor) ⓘ Eiserne Tür mine	[Chamosite] Kolitsch (2014)

Azerbaijan
Dashkasan District Dashkasan ⓘ Dashkesan Co-Fe deposit	[Chamosite] Pavel.M. Kartashov (n.d.)

Belgium
Wallonia Liège ⓘ Blegny	[Chamosite] Richard de Nul collection
Luxembourg Bastogne ⓘ Sur les Roches quarry	[Chamosite] José Dehove collection. +3 other references
Bertrix ⓘ La Haie forest	[Chamosite] Harjo Neutkens collection.
ⓘ Les Rochettes quarries	[Chamosite] Harjo Neutkens collection.

Bolivia
La Paz Loayza Province ⓘ Viloco Mine (Araca Mine)	[Chamosite] Artiaga et al. (2013)
Oruro Pantaleón Dalence Province Huanuni ⓘ Bonanza	[Chamosite] Cacho et al. (2015)
ⓘ Huanuni mine	[Chamosite] Cacho et al. (2015) +1 other reference
Potosí Antonio Quijarro Province ⓘ Virgiña Mine	[Chamosite] Dill et al. (1997) +1 other reference

Brazil
Goiás Crixás gold field Crixás ⓘ Mine III	[Chamosite] de Oliveira et al. (2003)
Mato Grosso Peixoto de Azevedo Peixoto de Azevedo river ⓘ Raimunda claim	[Chamosite] Lopes et al. (2024)
Minas Gerais Caeté ⓘ Juca Vieira mine	[Chamosite] Lobato et al. (2001)
Conselheiro Pena Barra do Cuieté ⓘ Cigana claim	[Chamosite] Baijot et al. (2014)
Galiléia Sapucaia do Norte ⓘ Sapucaia mine	[Chamosite] Baijot et al. (2012)
Poços de Caldas ⓘ Bortolan quarry	[Chamosite] Azzi (2019)
ⓘ Prefeitura quarry	[Chamosite] Horváth
ⓘ Poços de Caldas alkaline complex	[Chamosite] Gomes et al. (2023)
Pará Água Azul do Norte ⓘ Sapucaia Au deposit	[Chamosite] NetunoVillas et al. (2001)
Itaituba Cuiú-Cuiú mining district ⓘ Guarim claim	[Chamosite] Klein et al. (2001)
Marabá ⓘ Salobo Mine	[Chamosite] deMelo et al. (2016) +1 other reference
Parauapebas Alemão Cu deposit ⓘ Igarapé Bahia mine	[Chamosite] Tazava (1999) +1 other reference
Rio Grande do Sul Caçapava do Sul Minas do Camaquã ⓘ Santa Maria mine	[Chamosite] Pereira et al. (2021)

Bulgaria
Haskovo Province Madzharovo Municipality Madzharovo ⓘ Madzharovo deposit	[Chamosite] Tarkian et al. (1989)
Topolovgrad Municipality Hlyabovo ⓘ Kanarata quarry	[Chamosite] Szopa +9 other references
Sofia City Province Stolichna Municipality Kremikovtsi ⓘ Kremikovtsi mine	[Chamosite] Damyanov (1998) +2 other references

Burkina Faso
Centre-Sud Region Zoundweogo Province Guiba Department ⓘ Kiaka deposit	[Chamosite] Fontaine et al. (2017)

Cambodia
Takeo Province Kiri Vong District ⓘ Phnom Bayong	[Chamosite] Piilonen et al. (2023)

Cameroon
South Region Dja-Et-Lobo Djoum ⓘ Nkout Fe deposit	[Chamosite] Anderson et al. (2014)
ⓘ Nkout East	[Chamosite] Kelvin F.E. Anderson et al. (2014)

Canada
British Columbia Golden Mining Division ⓘ Bugaboo Castles	[Chamosite] Canadian Museum of Nature collection ... +1 other reference
ⓘ Ice River Alkaline Complex	[Chamosite] King (n.d.)
Kamloops Mining Division Kamloops ⓘ Afton Mine	[Chamosite] Garagan (2014)
New Westminster Mining Division Chilliwack Chilliwack River ⓘ Slesse Creek	[Chamosite] King (n.d.)
Manitoba Flin Flon District Bear Lake ⓘ McBratney prospect	[Chamosite] Olivo et al. (2004)
Lac-du-Bonnet area Cat Lake - Winnipeg River pegmatite field ⓘ Huron Claim pegmatite	[Chamosite] Paul (1984)
ⓘ Utik Lake Banded Iron Deposit	[Chamosite] Bernier (1990)
New Brunswick Charlotte Co. Grand Manan Island ⓘ White Head Island	[Chamosite] Grand Manan Museum
ⓘ White Head Sand Beach	[Chamosite] King (n.d.)
York Co. Clarence Stream area ⓘ Clarence Stream Gold Deposit	[Chamosite] Cabri et al. (2007)
Stanley Parish ⓘ Burnt Hill mine	[Chamosite] - (1998) +1 other reference
Newfoundland and Labrador Labrador ⓘ Howell Lake	[Chamosite] C. Klein +2 other references
Newfoundland Conception Bay Bell Island ⓘ Wabana Mines	[Chamosite] Sabina (2003)
Northwest Territories Blachford Lake alkaline complex ⓘ Thor Lake syenite complex	[Chamosite] Sheard et al. (2012)
North Slave Region Blachford Lake alkaline complex Thor Lake syenite complex ⓘ Nechalacho deposit	[Chamosite] Sheard (2010) +1 other reference
Ontario Algoma District Elliot Lake area Gunterman Township ⓘ Nordic Mine	[Chamosite] Robertson (1976)
Cochrane District Timmins Kidd Township ⓘ Kidd Mine	[Chamosite] Slack et al. (1989)
Haliburton County Highlands East Township Cardiff Township ⓘ Bicroft Mine	[Chamosite] Pouliot et al. (1964) +1 other reference
ⓘ Richardson Mine (Fission Mine)	[Chamosite] King (n.d.)
Hastings County Hastings Highlands Municipality Monteagle Township ⓘ MacDonald Mine	[Chamosite] King (n.d.)
Renfrew County Brudenell-Lyndoch-and-Raglan Lyndoch Township Quadeville area ⓘ Rose Quartz Pit	[Chamosite] Piilonen et al. (2024)
Thunder Bay District Greenstone ⓘ Brookbank Deposit	[Chamosite] Kowalski et al. (2018)
Québec Abitibi-Témiscamingue La Vallée-de-l'Or RCM Réservoir-Dozois ⓘ Cabonga Reservoir	[Chamosite] Olivier Langelier Collection
Rouyn-Noranda TE ⓘ Ansil Mine	[Chamosite] Galley et al. (2000)
Chaudière-Appalaches Les Appalaches RCM Saint-Pierre-de-Broughton (West Broughton) ⓘ Broughton talc mine (Luzcan mine; Carrière rang XV)	[Chamosite] HORVÁTH et al. (2006)
Côte-Nord Caniapiscau RCM Schefferville ⓘ Ardua Lake	[Chamosite] Carl M. Lesher (1978)
ⓘ Lac Knob	[Chamosite] Klein et al. (1976)
Estrie Le Val-Saint-François RCM Canton de Melbourne ⓘ Autoroute 55 roadcuts	[Chamosite]
ⓘ Keenan Road	[Chamosite] Jean-Yves LAMOUREUX
Les Sources RCM Val-des-Sources ⓘ Jeffrey Mine	[Chamosite] Normand (2001) +1 other reference
Gaspésie-Îles-de-la-Madeleine La Haute-Gaspésie RCM Mont-Albert ⓘ Madeleine mine	[Chamosite] Girard (1971)
Laurentides Antoine-Labelle RCM Notre-Dame-du-Laus ⓘ Parker Mine	[Chamosite] Martin +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)	[Chamosite] Grice (1989) +1 other reference
Lajemmerais RCM Varennes & St-Amable Saint-Amable sill ⓘ Demix-Varennes quarry	[Chamosite] Modris Baum collection - Joy Desor ...
Nord-du-Québec ⓘ Chibougamau mining district	[Chamosite] Tavchandjian (1992)
Outaouais Les Collines-de-l'Outaouais RCM L'Ange-Gardien ⓘ Pednaud Mine (Pedneaud Quarry)	[Chamosite] Sabina (1986)
Val-des-Monts Saint-Pierre-de-Wakefield Lake Saint-Pierre ⓘ Evans-Lou Mine	[Chamosite] Sabina (1987)
Saguenay-Lac-Saint-Jean Maria-Chapdelaine RCM Girardville ⓘ Ilmenite occurrence	[Chamosite] Dupuis et al. (2013)
Saskatchewan Athabasca Basin ⓘ Millenium Deposit	[Chamosite] Cloutier et al. (2009)
Seabee Gold Operation ⓘ Fisher prospect	[Chamosite] Beaudin et al. (2024)
ⓘ Santoy 8 Mine	[Chamosite] Beaudin et al. (2024)
Yukon Watson Lake mining district Finlayson Lake Camp ⓘ ABM deposit	[Chamosite] Denisová et al. (2023)
Whitehorse mining district Kluane District ⓘ Florence Creek	[Chamosite] Barkov et al. (2008)

Chile
Atacama Copiapó Province Tierra Amarilla ⓘ Maricunga Au deposit	[Chamosite] Lohmeier et al. (2025)
O'Higgins Cachapoal Province Rancagua El Teniente ⓘ La Huifa deposit	[Chamosite] Piquer et al. (2023)

China
Chongqing Shizhu Co. ⓘ Daping Mine	[Chamosite] Zou et al. (2022)
Wushan Co. ⓘ Taohua Fe deposit	[Chamosite] Jun Xiao et al. (2009)
Guangdong Shaoguan Nanxiong Co. Baishun Uranium ore field ⓘ Lanhe deposit (U deposit No. 201)	[Chamosite var: Brunsvigite] Jianguo He et al. (2008)
Wengyuan Co. ⓘ Xiazhuang Uranium ore field (Xiwang Uranium ore field)	[Chamosite] Dahlkamp (2009)
Guangxi Baise Jingxi Co. ⓘ Quyang bauxite deposit	[Chamosite] Wang et al. (2010)
Tianyang Co. ⓘ Tianyang bauxite deposit	[Chamosite] Shuhui Cai et al. (2012)
Beihai Hepu Co. ⓘ Nanliu river delta	[Chamosite] Heping Sun and Curtis (1988)
Hechi Dahua Yao Autonomous County ⓘ Dahua tremolite nephrite deposit	[Chamosite] Zhang et al. (2024)
Yizhou District ⓘ Longtou Mine	[Chamosite] Chen et al. (2022)
Hezhou Pinggui District Guposhan Sn-polymetallic ore field Xinlu ore field ⓘ Baimianshan Sn-Zn deposit	[Chamosite] Guoxiang Chi (1992)
Guizhou Guiyang Qingzhen County ⓘ Lindai bauxite deposit	[Chamosite] Luo et al. (2023)
Zunyi Bozhou District ⓘ Chuanzhumiao bauxite deposit	[Chamosite] Shengjie Wang (1987)
ⓘ Goujiang bauxite deposit	[Chamosite] Shengjie Wang (1987)
ⓘ Houcao bauxite deposit	[Chamosite] Kehua Yin (2009)
Hebei Baoding Quyang County ⓘ Baishitai Au-Ag deposit	[Chamosite] Tian et al. (2025)
Zhangjiakou Chicheng County ⓘ Pangjiapu Fe-Mn deposit	[Chamosite] wrgis.wr.usgs.gov (2004)
Xuanhua District ⓘ Yantongshan Fe deposit	[Chamosite] wrgis.wr.usgs.gov (2004)
Zhangbei County ⓘ Caijiaying Mine	[Chamosite] Youli Feng et al. (2006)
Hubei Huangshi Daye Co. Edong Mining District ⓘ Fujiashan W skarn deposit	[Chamosite] Lu et al. (2026)
Hunan Chenzhou Beihu District Qitianling complex Xintianling W-polymetallic ore field ⓘ Xintianling W-Bi deposit	[Chamosite var: Brunsvigite] Lu J et al. (2014)
Yizhang Co. Yaogangxian W-Sn ore field ⓘ Yaogangxian Mine	[Chamosite] microprobe analysis by Bart Cannon. +1 other reference
Yueyang Pingjiang Co. ⓘ Lishan Pb-Zn-Cu deposit	[Chamosite] 郭飞 et al. (2018)
Inner Mongolia Chifeng City (Ulanhad League; Chifeng Prefecture) Hexigten Banner (Keshiketeng Co.) Huanggang Fe-Sn deposit ⓘ No. 2 Mine	[Chamosite] Ottens et al. (2012)
Ordos City (E'erduosi Prefecture) Jungar Banner (Zhunge'er Co.) Jungar coal field (Zhunge'er coal field) ⓘ Guanbanwusu Mine	[Chamosite] Zhang et al. (2025)
Xilingol League (Xilinguole Prefecture) Xilinhot City (Xilinhaote Co.) Shengli coal field ⓘ Wulantuga Ge deposit	[Chamosite] Yao +6 other references
Jiamusi Block ⓘ Heilongjiang Complex	[Chamosite] Sun et al. (2025)
Jiangxi Fuzhou Le'an Co. Zoujiashan ore district ⓘ Zoujiashan U deposit (U deposit No. 612)	[Chamosite] Weixing Zhang et al. (2007)
Ganzhou Chongyi Co. Lujing Uranium ore field Huangao district ⓘ Huangfengling deposit (U deposit No. 325)	[Chamosite var: Brunsvigite] Jianguo He et al. (2008)
Quannan Co. ⓘ Huangsha U mining area	[Chamosite] Wu et al. (2019)
Shangrao Dexing Co. Dexing Cu-Mo-Au ore field Dexing copper mine ⓘ Tongchang Mine	[Chamosite] Jin Zhangdong et al. (2001)
Liaoning Liaoyang Gongchangling District Gongchangling Fe deposit ⓘ Gongchangling No. 2 Mine	[Chamosite] Wang et al. (2022)
Ningxia Wuzhong Yanchi Co. ⓘ Kushui Lake	[Chamosite] Li et al. (2023)
Qinghai Haixi Mongol and Tibetan Autonomous Prefecture Golmud City (Ge'ermu Co.) ⓘ Galinge Fe deposit	[Chamosite var: Brunsvigite] Miao Yu et al. (2013)
Shandong Yantai Qixia City ⓘ Dafangshan	[Chamosite var: Brunsvigite] Letian Du and Wenguang Wang (2012)
Shanghai Chongming Co. ⓘ Yangtze river estuary	[Chamosite] Guijia Zhang et al. (1991)
Shanxi Jincheng ⓘ Sihe mine	[Chamosite] Zhang et al. (2024)
Lüliang Lan County ⓘ Yuanjiacun Fe deposit	[Chamosite] Jinchu Zhu and Fusheng Zhang (1987)
Xinzhou Yuanping Co. ⓘ Shiqiang bauxite deposit	[Chamosite] Silei Sun et al. (2012)
Sichuan Leshan Emeishan City ⓘ Xuanwei Formation	[Chamosite] Zhang et al. (2021)
Tibet Ngari Gê'gyai Co. (Geji Co.) ⓘ Ga'erqiong Cu-Au deposit	[Chamosite var: Brunsvigite] Zhi Zhang et al. (2013)
Xigazê Prefecture (Rikaze Prefecture; Shigatse Prefecture) Xaitongmoin Co. (Xietongmen Co.) ⓘ Xiongcun Cu-(Au) deposit	[Chamosite var: Brunsvigite] Wenyi Xu et al. (2009)
Xinjiang Changji Autonomous Prefecture (Sanji Autonomous Prefecture) Manasi Co. (Manas Co.) ⓘ Alastuo gold deposit	[Chamosite var: Brunsvigite] Zu et al. (2020)
Hami Prefecture (Kumul Prefecture; Qumul Prefecture) Yizhou District ⓘ Hongshi Cu deposit	[Chamosite] Cheng et al. (2024)
Turpan Shanshan Co. ⓘ Aqishan Pb-Zn deposit	[Chamosite] Wang et al. (2024)
Wulumuqi Prefecture (Ürümqi Prefecture; Ürümchi Prefecture) Toutunhe District ⓘ Liuhuanggou deposit	[Chamosite] Liu et al. (2025)
Yunnan Baoshan Longyang District ⓘ Jinchanghe Mine	[Chamosite] Hua Huang et al. (2014)
Kunming Jinning County ⓘ Kunyang Mine	[Chamosite] Fan Yang et al. (2011)
Pu'er Lancang County ⓘ Huimin Fe deposit	[Chamosite] Dong Xu et al. (2011)
Qujing Luoping County ⓘ Shugentian Coalfield	[Chamosite] Zheng et al. (2017)
Wenshan Maguan County Dulong ore field ⓘ Dulong Sn-Zn deposit	[Chamosite] Zhen Liao et al. (2010)
Yuxi ⓘ Xiaoshiqiao	[Chamosite] Zhang et al. (2022) +1 other reference
Zhejiang Hangzhou Chun'an County ⓘ Xilong	[Chamosite var: Brunsvigite] Letian Du and Wenguang Wang (2012)

Colombia
Córdoba Department Montelíbano ⓘ Cerro Matoso Mine (Cerro Matoso S. A. Laterite deposit)	[Chamosite] Econ Geol (2004)

Cuba
Holguín Province Moa-Baracoa District Barracanao (Baracoa) ⓘ Potosí Mine	[Chamosite] Aiglsperger et al. (Eastern Cuban Ophiolites)

Czech Republic
Central Bohemian Region Beroun District ⓘ Chrustenice	[Chamosite] Vtělenský J. (1959)
Chyňava ⓘ Libečov	[Chamosite] Gramblička (n.d.)
Hudlice ⓘ Krušná Hora	[Chamosite] Vtělenský J. (1959)
ⓘ Zdice (Zditz)	[Chamosite] Vtělenský J. (1959)
Kutná Hora District Kutná Hora ⓘ Kaňk	[Orthochamosite] Am Min 43 (1958)
Malešov ⓘ Malešov deposit	[Chamosite] Filip et al. (2006)
Prague-West District Nučice ⓘ Nučice deposit	[Chamosite] Vtělenský J. (1959)
Příbram District Dubenec Uranium Mine No. 19 (Shaft No. 19) ⓘ Vein Bt23C	[Chamosite] Ulmanová et al. (2024)
ⓘ Háje	[Chamosite] Dolníček et al. (2023)
Háje deposit ⓘ H32A vein	[Chamosite] Dolníček et al. (2023)
Příbram Březové Hory Březové Hory deposit Anna Mine ⓘ Václav Vein	[Chamosite] Dolníček et al. (2024)
ⓘ Bytíz	[Chamosite] Ulmanová et al. (2024)
Vrančice ⓘ Alexander Mine	[Chamosite] Kohout et al. (1995)
Karlovy Vary Region ⓘ Jáchymov ore district	[Chamosite] Jan Hloušek
Sokolov District Kraslice ⓘ Tisová	[Chamosite] Beran (Ag, Au, Co) +2 other references
Moravian-Silesian Region Bruntál District Dolní Moravice Nová Ves ⓘ Nová Ves deposit	[Chamosite] Fojt
Horní Benešov ⓘ Horní Benešov mines	[Chamosite] Fojt B. (2013)
ⓘ Horní Město	[Chamosite] Fojt
ⓘ Horní Zivotice	[Chamosite] Kruťa
ⓘ Malá Morávka	[Chamosite] Kruťa
Frýdek-Místek District Žermanice ⓘ Žermanice Quarry	[Chamosite] Matýsek et al. (2018)
Nový Jičín District Bílovec ⓘ Stará Ves	[Chamosite] Kučera
Nový Jičín Bludovice ⓘ Čertův mlýn	[Chamosite] Kropáč et al. (2024)
Olomouc Region Jeseník District ⓘ Zlaté Hory	[Chamosite] Kuttna +1 other reference
Dolní Údolí ⓘ Melchior and Tobias adits	[Chamosite] Novotný
Ondřejovice ⓘ Ondřejovice iron mines	[Chamosite] Novotný
Olomouc District Domašov nad Bystřicí (Domstadtl) ⓘ Domašov nad Bystřicí quarry (Domstadtl quarry)	[Chamosite] Zimák et al. (2005)
ⓘ Šternberk	[Chamosite] Duda
Přerov District Hrabůvka ⓘ Hrabůvka quarry	[Chamosite] Zimák (Czech Massif)
Šumperk District Petrov nad Desnou ⓘ Petrovský vrch	[Chamosite] Novotný
Sobotín Rudoltice ⓘ Závada (Hemberg)	[Chamosite] Novotný
Staré Město Malé Vrbno ⓘ Magnetite occurrence	[Chamosite] Mücke et al. (2006)
Pardubice Region Chrudim District Prachovice ⓘ Limestone quarry	[Chamosite] Pauliš +5 other references
Plzeň Region Rokycany District ⓘ Březina	[Chamosite] Litochleb +5 other references
Ejpovice ⓘ Kristianie mine	[Chamosite] Vtělenský J. (1959)
ⓘ Main iron deposit	[Chamosite] Vtělenský J. (1959)
ⓘ Klabava	[Chamosite] Vtělenský J. (1959)
South Moravian Region Brno-Country District ⓘ Nedvědice	[Chamosite] Houzar
Přibyslavice ⓘ Radoškov	[Chamosite] Víšková E. et al. (2013)
Vysočina Region Havlíčkův Brod District Pohled ⓘ Granite quarry	[Chamosite] DOLNÍČEK et al. (2023) +1 other reference
Třebíč District Třebíč ⓘ Kostelíček	[Chamosite] Houzar S.: Minerální asociace ...
Žďár nad Sázavou District Bory Horní Bory ⓘ Horní Bory quarry	[Chamosite] King (n.d.)
ⓘ Mirošov	[Chamosite] Houzar +5 other references

Dominican Republic
María Trinidad Sánchez Province Río San Juan ⓘ Río San Juan Complex	[Chamosite] Krebs et al. (2008)

Ecuador
Loja Province ⓘ Puyango formation	[Chamosite] Manrique et al. (2018)

Egypt
Giza Governorate ⓘ Bahariya Oasis (Baharia Oasis)	[Chamosite] S. Tosson et al.
Red Sea Governorate ⓘ Atud mine	[Chamosite] Abdelnasser et al. (2017)
Wadi Sikait ⓘ Emerald mines	[Chamosite] Elsagheer et al. (2025)

Eurasian Plate
ⓘ Bundelkhand Craton	[Chamosite] Rout et al. (2025)

Finland
Lapland Ranua ⓘ Sääskilampi	[Chamosite] Mutanen
North Karelia ⓘ Ilomantsi	[Chamosite] Hytönen (1999)
Pirkanmaa Valkeakoski ⓘ Pyörönmaa pegmatite	[Chamosite] Jyrki Autio collection. Pavel M. ...
Uusimaa Loviisa ⓘ Sarvlaxviken	[Chamosite] Cook et al. (2011)
ⓘ Korsvik-1 vein	[Chamosite] Cook et al. (2011)

France
Auvergne-Rhône-Alpes Haute-Loire Brioude Desges ⓘ Le Gaud veins & Le Frau veins	[Chamosite var: Brunsvigite] P.G. Pelisson : "Etude Mineralogique et ...
Domeyrat ⓘ Senèze	[Chamosite var: Brunsvigite] Pélisson (1989)
Jax La Ribeyrette & La Fauvette valleys (La Fioure; La Fiouve) ⓘ Pouzols Mine	[Chamosite var: Brunsvigite] Pélisson (1989)
Mazerat-Aurouze Aurouze ⓘ Le Grand Filon (Le Chevalet vein)	[Chamosite var: Brunsvigite] Pélisson (1989)
Pinols ⓘ Montgros Mine	[Chamosite var: Brunsvigite] P.G. Pelisson : "Etude Mineralogique et ...
Rhône Villefranche-sur-Saône Saint-Didier-sur-Beaujeu ⓘ Creuzeval Quarry	[Chamosite] Yannick Vessely Collection - SEM-EDS ...
Savoie Albertville La Léchère Bonneval-Tarentaise ⓘ Kersy Forest	[Chamosite] De Ascenção Guedes et al. (2011)
ⓘ Brittany	[Chamosite var: Bavalite]
Morbihan Pontivy Sainte-Brigitte ⓘ Le Ruello	[Chamosite] Chauris (2014)
Grand Est Bas-Rhin Molsheim Rothau ⓘ Iron Mines	[Chamosite] Wittern et al. (1997)
Meurthe-et-Moselle Val-de-Briey Longwy ⓘ Moulaine mine	[Chamosite]
Moselle Thionville ⓘ Hettange-Grande	[Chamosite] Dr. Günter Grundmann collection
New Caledonia Southern Province Thio ⓘ Koum Granodiorite	[Chamosite] Cluzel et al. (2024)
Normandy Calvados Caen Soumont-Saint-Quentin ⓘ Soumont-Saint-Quentin mine	[Chamosite] Belot (1978)
Nouvelle-Aquitaine Haute-Vienne Limoges Masléon ⓘ Pont de la Combade	[Chamosite] Bernard BARRIERE
Occitanie Ariège Saint-Girons Seix Salau ⓘ Anglade Mine	[Chamosite var: Brunsvigite] Bull. Minéral.
Tarn-et-Garonne Montauban Orgueil ⓘ Orgueil meteorite	[Chamosite] Barber (1985)
Tarn Castres Montredon-Labessonnié Peyrebrune ⓘ Le Rivet Quarry	[Chamosite] André MELLE collection - Georges ...
Pays de la Loire Loire-Atlantique Châteaubriant-Ancenis Saint-Aubin-des-Châteaux ⓘ Bois-de-la-Roche quarry	[Chamosite] Moëo et al. (2002) +2 other references
Maine-et-Loire Segré Segré-en-Anjou Bleu Segré quarry Nyoiseau ⓘ Bois II mine	[Chamosite] Grelaud et al. (2001)
Sarthe Mamers Tennie ⓘ Rouez mine	[Chamosite] Beaufort (1985)
Provence-Alpes-Côte d'Azur Var Draguignan Tanneron ⓘ Fontsante Mine	[Chamosite] Georges FAVREAU collection and EDX ...
Réunion Cilaos ⓘ Bras de Cilaos	[Chamosite] André MELLE collection - Nicolas ...

Germany
Baden-Württemberg Freiburg Region Ortenaukreis Oberwolfach ⓘ Clara Mine	[Chamosite] Kolitsch et al. (2019)
Frohnbach valley ⓘ Wenzel Mine	[Chamosite] Walenta (1992)
Rottweil Schenkenzell ⓘ Wittichen ?	[Chamosite] Walenta (1992)
Bavaria Lower Bavaria Freyung-Grafenau District Saldenburg Matzersdorf ⓘ Krenn Quarry	[Chamosite] Habel (2007)
Swabia Oberallgäu District Burgberg im Allgäu Grünten ⓘ Iron ore mines	[Chamosite] Dr. Günter Grundmann collection
Upper Franconia Hof District Lichtenberg ⓘ Alt & Neu Bescheert Glück Mines	[Chamosite] F. Müller: "Bayerns steinreiche Ecke" et al. (Hof)
Upper Palatinate Amberg-Sulzbach District ⓘ Auerbach in der Oberpfalz	[Chamosite] von Gehlen et al. (1956)
Neustadt an der Waldnaab District Waidhaus Hagendorf ⓘ Hagendorf South Pegmatite	[Chamosite] web.archive.org (2001)
Brandenburg Barnim Eberswalde Ruhlsdorf ⓘ Gravel quarry	[Chamosite] Wittern (2001)
Hesse Giessen Region Lahn-Dill-Kreis Dillenburg Nanzenbach ⓘ Neue Lust Mine	[Chamosite] Harder (1954)
Oberscheld ⓘ Königszug Mine	[Chamosite] Harder (1954)
Haiger Langenaubach ⓘ Constanze Mine	[Chamosite] Harder (1954)
Lower Saxony Goslar District Bad Harzburg Radau valley ⓘ Gabbro Quarry	[Chamosite] Joachim Gröbner (2019)
Harz (Landkreis Goslar) ⓘ Diabasweg Quarry (Teerbau Quarry on Kehrzug)	[Chamosite] Färber (n.d.)
Salzgitter Gebhardshagen ⓘ Haverlahwiese 1 pit	[Chamosite] Dr. Günter Grundmann collection
ⓘ Haverlahwiese open pit	[Chamosite] Dr. Günter Grundmann collection
ⓘ Konrad Mine	[Chamosite] Dr. Günter Grundmann collection
North Rhine-Westphalia Arnsberg Siegen-Wittgenstein Wilnsdorf ⓘ Marie Mine	[Chamosite] Schnorrer-Köhler (1987)
Detmold Minden-Lübbecke Porta Westfalica Nammen ⓘ Wohlverwahrt mine	[Chamosite] Dr. Günter Grundmann collection
Rhineland-Palatinate Altenkirchen Daaden-Herdorf Schutzbach ⓘ Pius Mine	[Chamosite] Schnorrer et al. (2000)
Saxony-Anhalt Harz Blankenburg Hüttenrode ⓘ Braunesumpf Mine	[Chamosite] Schaarschmidt (2014)
Harzgerode Güntersberge ⓘ Reichenberg vein (Am Reichen Berge Mine)	[Chamosite] Gröbner et al. (2011)
Oberharz am Brocken Elbingerode ⓘ Einheit Mine ?	[Chamosite] Lapis 2003 (2)
Wernigerode Hasserode Dränge valley ⓘ Schlickstal Mine (Schlieckstal Mine)	[Chamosite] Gröbner et al. (2011)
Saxony Bautzen District Oßling ⓘ Oßling Quarry	[Chamosite] Wittern (2001)
Sohland an der Spree ⓘ Sulphide deposit (Sohlander Bergsegen)	[Chamosite] Sandmann et al. (2015)
Wittichenau ⓘ Dubring Quarry	[Chamosite] Wittern (2001)
Erzgebirgskreis Annaberg-Buchholz Kleinrückerswalde ⓘ Uranus Mine	[Chamosite] Möhn et al. (08/2020)
Breitenbrunn Antonsthal ⓘ Unverhofft Glück an der Achte Mine	[Chamosite] Kolitsch (1997)
Breitenbrunn ⓘ St Christoph Mine	[Chamosite] Martin et al. (2023)
Geyer ⓘ Geyer SW skarn	[Chamosite] Meyer et al. (2025)
Thuringia Greiz District Greiz Neumühle/Elster ⓘ Kuhberg Quarry	[Chamosite] 43-47 +2 other references
Ilm District Geratal Gräfenroda ⓘ Raubschloß mine (Alte Burg mine)	[Chamosite] Knoll (2009)
ⓘ Ronneburg U deposit	[Chamosite] Witzke et al. (1998)
Saalfeld-Rudolstadt District Saalfeld ⓘ Reichmannsdorf	[Chamosite]
Schmiedefeld ⓘ Iron mines	[Chamosite] www.tlug-jena.de (2007)
Wittmannsgereuth ⓘ Breiter Berg	[Chamosite] Marcus Vau Collection

Greece
Attica East Attica Lavreotiki Agios Konstantinos (Kamariza) Kamariza Mines (Kamareza Mines) ⓘ Hilarion Mine	[Chamosite] Rieck et al. (2018)
ⓘ Jean Baptiste Mine	[Chamosite] Uwe Kolitsch & Branko Rieck (unpubl. SEM-EDS results)
Km 3 ⓘ Iron mines	[Chamosite] Uwe Kolitsch (SEM-EDS analyses, to be published)
ⓘ Plaka	[Chamosite] Rieck et al. (2018)
Plaka Mines ⓘ Adami Mine No. 2	[Chamosite] Kolitsch et al. (2015) +2 other references
ⓘ Plaka Mine No. 145	[Chamosite] Uwe Kolitsch (unpubl. SEM-EDS results)
ⓘ Plaka Mine No. 80	[Chamosite] Rieck et al. (2018)
ⓘ Sclives Mine	[Chamosite] Rieck (n.d.)
Sounion Cato Sounio mines ⓘ Mt Mavro Lithari	[Chamosite] Rieck et al. (2018)
Vromopoussi Vromopoussi mines ⓘ Mine No. 09	[Chamosite] Uwe Kolitsch & Branko Rieck (unpubl. SEM-EDS results)
Marathon ⓘ Varnavas	[Pennantite] Stouraiti et al. (2022)
Central Greece Boeotia Orchomenus ⓘ Nisi mine	[Chamosite] Kalatha et al. (2017)
Phocis Delphi ⓘ Parnassos–Ghiona bauxite deposit	[Chamosite] Laskou et al. (2007)
Crete Chania Platanias ⓘ Palea Roumata	[Chamosite] Theye et al. (1992)
Heraklion Viannos ⓘ Viannos	[Chamosite] Theye et al. (1992)
Lasithi Ierapetra ⓘ Oreino	[Chamosite] Theye et al. (1992)
Sitia ⓘ Roussa Ekklissia-Arniko area	[Chamosite] Theye et al. (1992)
Rethymno Agios Vasileios ⓘ Kerames	[Chamosite] Theye et al. (1992)
Eastern Macedonia and Thrace Drama Kato Nevrokopi ⓘ Dasoto	[Chamosite] Ch. Spirom. & Greekrocks.com
ⓘ Kato Nevrokopi village	[Chamosite] King (n.d.)
Peloponnese Laconia Monemvasia Molaoi ⓘ Molai deposit	[Chamosite] Kevrekidis et al. (2024)
South Aegean Milos Serifos Island ⓘ Mega Horio (Megalo Horio; Mega Xhorio; Mia Horio; Mega Khorio; Mega Korio)	[Chamosite] Gilbert Gauthier specimen
Tinos Tinos Island Panormos Bay ⓘ Planitis Island	[Chamosite] Färber (n.d.)

Hungary
Baranya County Komló District Komló ⓘ Coal Mine (Deep level)	[Chamosite]
Fejér County Székesfehérvár District Gánt ⓘ Bagoly Hill	[Chamosite] Szakáll et al. (1996)

India
Gujarat Surat district ⓘ Vastan Mine	[Chamosite] Choudhury et al. (2023)
Jharkhand East Singhbhum District Jadugora ⓘ Kudada	[Chamosite] Sinha et al. (2018)
Rajasthan Ajmer District ⓘ Kayad mine	[Chamosite] Das et al. (2024)
Jaipur district Sikar District ⓘ Rohil	[Chamosite] Rout et al. (2022)

Indonesia
Bangka-Belitung Province Belitung Island (Biliton Island) East Belitung Regency ⓘ Batu Besi (Batubesi)	[Chamosite] Handoko et al. (2025)
South Sulawesi Province Tana Toraja Regency ⓘ Awak Mas gold mine	[Chamosite] doi: 10.13140/RG.2.2.13179.41767 +1 other reference
ⓘ Salu Bullo gold mine	[Chamosite] Hakim (2017)
West Java Province Garut Regency ⓘ Mekarbakti prospect	[Chamosite] Imawan et al. (2024)
West Nusa Tenggara Province Sumbawa Island Bima Regency ⓘ Humpa Leu East	[Chamosite] Verdiansyah et al. (2022)

Iran
Fars Province Marvdasht County ⓘ Bidgol deposit	[Chamosite] Ahmadnejad et al. (2017)
South Khorasan Province Nehbandan County ⓘ Qaleh-Zari Mine (Ghale Zari Mine)	[Chamosite var: Brunsvigite] Karimpour et al. (2005)

Iraq
Duhok Governorate Amedi District ⓘ Benavi	[Chamosite] Yassin (1995)

Ireland
Connacht Galway County Connemara Costelloe Shannapheasteen ⓘ Larkin's Quarry	[Chamosite] Dr Stephen Moreton collection.
Maam Cross ⓘ Ardragh Quarry	[Chamosite] S. Moreton

Italy
Aosta Valley Ayas Champoluc ⓘ Monte Rosso di Verra	[Chamosite] Luigi Chiappino
Courmayeur ⓘ Triolet Glacier	[Chamosite] Piccoli et al. (2007)
Emilia-Romagna Metropolitan City of Bologna Vergato Riola Monte Cavalloro ⓘ Fosso Bandita (Rio Bandita)	[Chamosite] Simboli et al. (2000)
Liguria Genoa ⓘ Internal Ligurian Units	[Chamosite] Sanità et al. (2024)
Ne ⓘ Molinello Mine	[Pennantite] Matteo Chinellato specimen
Reppia ⓘ Gambatesa Mine	[Chamosite] Ciriotti et al. (2007)
Statale ⓘ Scrava Mine (Statale Mine)	[Pennantite] Castellaro et al. (2023)
La Spezia Province Borghetto di Vara ⓘ Cerchiara Mine	[Chamosite] EDX analysis
Savona Province Magliolo ⓘ Costa Balzi Rossi	[Chamosite] Castellaro-Kampf
Lombardy Lecco Province Dorio ⓘ Luna pegmatitic dyke	[Chamosite] Personally collected by Günter Frenz
Sondrio Province Chiesa in Valmalenco ⓘ Sissone Valley	[Chamosite] Marchesini et al. (2025) +1 other reference
Novate Mezzola Codera Valley ⓘ Punta Trubinasca	[Chamosite] Ghizzoni et al. (2005)
Valfurva ⓘ Cima delle Pale Rosse	[Chamosite] Bedognè +2 other references
Varese Province Cuasso al Monte Cavagnano ⓘ Laghetto Quarry	[Chamosite] Guastoni et al. (2017)
ⓘ Puricelli Quarry	[Chamosite] Guastoni et al. (2017)
Piedmont Cuneo Province Bagnolo Piemonte ⓘ Montoso Quarries	[Chamosite] Piccoli (2002) +1 other reference
ⓘ Balma Oro Quarry	[Chamosite] Bruno Marello find & collection
ⓘ Bricco Volti - Monte Ortieul quarrying area	[Chamosite] Giuseppe Finello analytical data (SEM-EDS)
Metropolitan City of Turin ⓘ Locana	[Chamosite] Piccoli et al. (2007)
ⓘ Luserna Stone Quarries	[Chamosite] Piccoli et al. (2007)
Prali ⓘ Crosetto Mine	[Chamosite] Ciriotti et al. (2011)
Rorà ⓘ Rorà Superiore quarrying area	[Chamosite] Ciriotti et al. (2021)
Salbertrand ⓘ Case Berge	[Pennantite] Ambrino (Piero)
Tavagnasco ⓘ Tavagnasco Mines	[Chamosite] Ciriotti et al. (2019)
ⓘ Briasse lode	[Chamosite] Franco Luca Bonino's collection
Verbano-Cusio-Ossola Province Baceno Devero Alp ⓘ Monte Cervandone area	[Chamosite]
Baveno Oltrefiume Mount Camoscio ⓘ Seula mine	[Chamosite] Ciriotti et al. (2007) +1 other reference
Premia ⓘ Agaro Lake	[Chamosite] King (n.d.)
Vercelli Province Vocca ⓘ Isola Mine	[Chamosite] Artioli et al. (1990) +1 other reference
Sardinia Metropolitan City of Cagliari Sarroch ⓘ Punta de Su Seinargiu (Su Seinargiu; Su Senargiu)	[Chamosite] Fernando Caboni et al. (2023)
Sassari Province La Maddalena La Maddalena Island ⓘ Cala Francese Quarries	[Chamosite] Lovisato (1913)
Olbia ⓘ Mt. Plebi	[Chamosite] Gamboni et al. (2021)
Sassari ⓘ Canaglia Mine	[Chamosite] Stara et al. (1991)
South Sardinia Province Fluminimaggiore ⓘ Perdu Cara Mine (Perdu Cara-Santa Vittoria veins; Perdu Cara deposit)	[Chamosite] Naitza et al. (2017)
ⓘ Furtei	[Chamosite] Fernando Caboni et al. (2024)
ⓘ Furtei mine	[Chamosite] Fernando Caboni et al. (2024)
Narcao ⓘ Rosas Mine Complex (Rosas Mine)	[Chamosite] Lecca et al. (2024)
ⓘ Mitza Sermentus Mine (Mitza Sermentus stope)	[Chamosite] Cocco et al. (2022)
Trentino-Alto Adige (Trentino-South Tyrol) South Tyrol Salten-Schlern (Salto-Sciliar) Kastelruth (Castelrotto) ⓘ Charlottenwand (Charlottenwandl; Malga Carlotta)	[Chamosite] King (n.d.)
Trento Province Canal San Bovo Vanoi Valley Pralongo ⓘ Pralongo granite quarry (Pralongo Quarry; Grisotto Quarry)	[Chamosite] Venzo et al. (2017)
Fornace ⓘ Quadrate	[Chamosite] Bortolozzi et al. (2022)
Palù del Fersina ⓘ Maso Erdemolo (Grua va Hardimbl)	[Chamosite] Bortolozzi (n.d.)
Tuscany Livorno Province Livorno Valle Benedetta ⓘ Via della Sambuca U-V occurrence	[Chamosite] LIBVRNA N°3 december 2021.
Lucca Province Stazzema ⓘ Bottino Mine	[Chamosite] Benvenuti et al. (1993)
Veneto Vicenza Province Torrebelvicino Mercanti Valley Monte Trisa Mines ⓘ Gallery no. 2	[Chamosite] Pegoraro S. (2014)
ⓘ Veneziana gallery (Veneziana mine)	[Chamosite] Bortolozzi (n.d.) +1 other reference
Monte Naro Monte Naro - Riolo Valley side Contrada Trentini ⓘ Veneziana Mine	[Chamosite] Atti della giornata di Studio – ...

Japan
Akita Prefecture Kitaakita City Ani-machi Ani Mine ⓘ Sayama mine	[Chamosite] - (n.d.)
Semboku District Kyohwa ⓘ Arakawa Mine	[Chamosite] Sadanaga et al. (1974)
Fukushima Prefecture Iwaki City ⓘ Yaguki mine (Yakuki mine)	[Chamosite] - (n.d.)
Gifu Prefecture ⓘ Kamigaito mine ?	[Chamosite] Endo (2008)
Nakatsugawa City ⓘ Hirukawa	[Chamosite] Petrov (n.d.)
ⓘ Tawara (Tahara)	[Chamosite] Endo (2007)
Hokkaidō Prefecture Okhotsk Subprefecture Tokoro District Oketo town ⓘ Oketo rhyolite	[Chamosite] Watanabe J and Hasegawa K (1986)
Hyogo Prefecture Yabu City Oya-cho ⓘ Akenobe mine	[Chamosite] Sadanaga et al. (1974)
Ibaraki Prefecture Ishioka City Asahi tunnel ⓘ North exit	[Chamosite] Akira Kato (2011)
Iwate Prefecture Kamaishi City ⓘ Washinotaki	[Chamosite] Akira Kato (2011)
Oshu City Esashi ward ⓘ Akagane mine	[Chamosite] - (n.d.)
Sumita-cho ⓘ Matsumori mine	[Chamosite] - (n.d.)
ⓘ Tadagoshizawa	[Chamosite] - (n.d.)
Tono City Miyamori ⓘ Mt Yakushi	[Chamosite] Seki et al. (1957)
Kochi Prefecture ⓘ Tosa City ?	[Chamosite] Minakawa et al (2002)
Kumamoto Prefecture Yatsushiro City Toyo ⓘ Taneyama mine	[Chamosite] Deer (inosilicates vol.)
Kyoto Prefecture Kameoka City ⓘ Hirono	[Chamosite] Petrov (n.d.)
Nagasaki Prefecture Tsushima City (Tsushima islands) Tsushima-Shimoshima island Azu ⓘ Taishu mine	[Chamosite] Masaharu NAKAGAWA (2001)
Osaka Prefecture Minoh City Onsen-cho ⓘ Hirao mine	[Chamosite] Ohnishi et al. (2013)
Tochigi Prefecture Kanuma City ⓘ Kaso Mine	[Pennantite] Akira Kato (undated manuscript)
Nikko City Ashio ⓘ Ashio mine (Ashio copper mine)	[Chamosite] Nakamura et al. (1973)
Toyama Prefecture Nakaniikawa district Tateyama ⓘ Jodosan	[Chamosite] University of Tokyo collection +1 other reference
Yamaguchi Prefecture Mine city ⓘ Ofuku mine (Yamato mine)	[Chamosite] Nagashima et al. (2016)

Kazakhstan
Kostanay Region Beimbet Mailin District ⓘ Kurzhunkul' deposit (Karzamkul)	[Chamosite] various added photos
Ulytau Region Karazhal ⓘ Ushkatyn deposits (Ushkatan)	[Pennantite] Frank Dzubeck +1 other reference
ⓘ Ushkatyn No. 1 deposit	[Pennantite] Hey et al. (1974)
Zhayrem (Zhairem) ⓘ Ushkatyn No. 3 deposit (Ushkatyn-III deposit)	[Chamosite] Brusnitsyn et al. (2021)

Libya
Wadi al Shatii District Wadi ash-Shati' (Wadi ash Shatti; Wadi Al Shatti) ⓘ Tarut	[Chamosite] Econ Geol (1980)

Luxembourg
Canton Clervaux Wincrange ⓘ Schimpach	[Chamosite] www.mnhn.lu (n.d.)

Mali
Kayes Region Kéniéba Cercle Faléa Commune ⓘ Falea	[Chamosite] Randabel et al. (2018)
ⓘ Loulo Mining area	[Chamosite var: Brunsvigite] Lawrence et al. (2013)
Nioro du Sahel Cercle Sandaré Commune ⓘ Sandaré	[Chamosite] C. Gineste

Mauritania
Tiris Zemmour Region Bir Moghrein ⓘ Bir Aidiate	[Chamosite] Marsh et al. (2015)

Mexico
Durango Topia Municipality ⓘ Topia	[Chamosite] Loucks et al. (1988) +1 other reference
Oaxaca ⓘ Santa María Zacatepec Municipality	[Chamosite] Carles Canet et al. (2011)
Zacatecas Tabasco Municipality ⓘ Rancho Agua Blanca ?	[Chamosite] Brian Cowger
Zacatecas Municipality Francisco I. Madero ⓘ Francisco I. Madero Mine	[Chamosite] Canet et al. (2009)

Middle East
ⓘ Hatrurim Formation	[Chamosite] Gross (1977)

Mongolia
Khovd Province Myangad District ⓘ Khaldzan Buragtag massif	[Chamosite] Sarangua (2019)

Morocco
Drâa-Tafilalet Region Midelt Province Midelt Cercle Agoudim Caïdat Anemzi Tirrhist (Tighiste) ⓘ Tizi-n-Inouzane area	[Chamosite] De Ascenção Guedes (2023)
Zagora Province Agdz Cercle Bou Skour mining district ⓘ Bou Skour Mine	[Chamosite] Pascal Chollet collection

Namibia
Erongo Region Omaruru Constituency ⓘ Otjua tungsten prospect	[Chamosite] Steven et al. (1994)
Khomas Region Windhoek Rural Aris ⓘ Aris Quarries	[Chamosite] Blaß et al. (2021)
ǁKaras Region Oranjemund Constituency Rosh Pinah ⓘ Rosh Pinah Mine	[Chamosite] Cairncross et al. (2012)

Netherlands
Limburg Brunssum ⓘ Emma-Hendrik coal dump	[Chamosite] www.mindat.org (n.d.)

New Zealand
Canterbury Region Waimate District Waihaorunga ⓘ Meyers Pass	[Chamosite] Coombs et al. (2000)
Southland Region Southland District ⓘ Mataura River	[Chamosite] Railton et al. (1990)
West Coast Region Westland District ⓘ Gorge River	[Chamosite] Happy et al. (1970)

North Macedonia
Veles Municipality ⓘ Groot	[Chamosite] Spasovski et al. (2009)
ⓘ Groot Fe-Ni Deposit	[Chamosite] Spasovski et al. (2009)

Norway
Agder Iveland Ljosland ⓘ Storsynken (Ljosland 10 Feldspar Quarry)	[Chamosite] Breivik et al. (2010)
Akershus Nittedal ⓘ Bjønndalen Quarry	[Chamosite] Berg (1994)
Buskerud ⓘ Kongsberg silver mining district	[Chamosite] Johnsen (1986)
Nordland Hamarøy ⓘ Drag	[Chamosite] Husdal (2023)
Lapplægeret ⓘ Nedre Lapplægeret Quarry	[Chamosite] Husdal (2020)
ⓘ Treldebakkgruva	[Chamosite] Husdal (2023)
Narvik ⓘ Hundholmen	[Chamosite] Kolitsch et al. (2011)
Oslo Oslomarka ⓘ Delebekken Roadcut ?	[Chamosite] Kvamsdal (2018)
Telemark Bamble ⓘ Bjordammen	[Chamosite] Tony Nikischer specimen
Kviteseid ⓘ Listaulli Mine	[Chamosite] Larsen et al. (2020)
Porsgrunn Auenlandet Sagåsen ⓘ ~~Saga 1 Quarry~~	[Chamosite] Larsen et al. (2010)
ⓘ Torbjørnsås Quarry	[Chamosite] Engvoldsen et al. (1991) +1 other reference
Bassebu ⓘ Eikevegåsen Quarry	Andresen et al. (2020)
Bjørkedalen ⓘ Buer	[Chamosite] Engvoldsen et al. (1991)
ⓘ Rønningen E 18 roadcuts	[Chamosite] Engvoldsen et al. (1991) +1 other reference
Slevolden ⓘ E18 roadcuts	[Chamosite] Burvald (1993)
Seljord Svartdal ⓘ Blika gold mine	[Chamosite] Larsen et al. (2020)
Skien ⓘ Prebgruven	[Chamosite] Larsen et al. (2022)
Tokke Eidsborg ⓘ Road 450 roadcut	[Chamosite]
Vestfold Holmestrand Sande Selvik ⓘ Nordre Jarlsberg Brygge	[Chamosite] Larsen (2015)
Larvik Commune Hedrum Lågendalen ⓘ Hedrum Quarry	[Chamosite] Andersen (1993)
Lysebo ⓘ Lysebo roadcut ?	[Chamosite] Berge (n.d.)
Malerød ⓘ Midtfjellet Quarry	[Chamosite] Nordrum (2012)
ⓘ Vardåsen Quarry	[Chamosite] Berge (1993)
Tjølling Håkestad ⓘ Håkestad Quarry	[Chamosite] Engvoldsen et al. (1991)
Tvedalen ⓘ Almenningen Quarry (Treschow-Fritzøe Quarry)	[Chamosite] Larsen et al. (2010) +1 other reference
ⓘ Østskogen Quarry	[Chamosite] Larsen et al. (2010)
ⓘ Tuften	[Chamosite] Larsen (1981) +1 other reference
ⓘ A/S Granit Quarry	[Chamosite] Peter Andresen collection
ⓘ Svensken Quarry	[Chamosite] - (n.d.)
ⓘ Vevja 2 Quarry ?	[Chamosite] Berge (n.d.)
ⓘ Sandefjord	[Chamosite] Berge et al. (2002)

Oman
Al Buraimi Governorate Northern Oman Ophiolite ⓘ Wadi Hilti	[Chamosite var: Brunsvigite] Miyashita

Pakistan
Balochistan Kharan District Ras Koh Mountains ⓘ Maldin Koh	[Chamosite] www.mindat.org (2013)
Gilgit-Baltistan Roundu District Haramosh Mountains ⓘ Tormiq Valley	[Chamosite] King (n.d.)
ⓘ Skardu Area	[Chamosite] imported from Rondu District +1 other reference

Papua New Guinea
Milne Bay Province D'Entrecasteaux Islands Goodenough Island (Nidula) ⓘ Garnet placer	[Chamosite] Baldwin et al. (2021)

Peru
Cajamarca Cajamarca Province Cajamarca District ⓘ Sulluscocha Baja	[Chamosite] Dill et al. (1997)
Puno Melgar Province ⓘ San Rafael Mine	[Chamosite] Mlynarczyk (2005)

Poland
Lesser Poland Voivodeship Tatra County Chochołowska Valley ⓘ Huciska Glade	[Chamosite] Ł. Kruszewski PXRD & EPMA data +1 other reference
Lower Silesian Voivodeship Dzierżoniów County Gmina Niemcza Gilów ⓘ Gilów talc deposit	[Chamosite var: Brunsvigite] Gil et al. (2022)
Piława Górna DSS Piława Górna Quarry ⓘ Julianna pegmatite	[Chamosite] Pieczka et al. (2018)
Jawor County Gmina Mściwojów Zimnik ⓘ Zimnik II quarry	[Chamosite] Tomas Praszkier
Gmina Paszowice ⓘ Paszowice quarry	[Chamosite] King (n.d.)
Kamienna Góra County Gmina Marciszów Wieściszowice ⓘ Colourful Lakelets	[Chamosite var: Brunsvigite] Uzarowic et al. (2012)
Karkonosze County Gmina Janowice Wielkie Miedzianka Miedzianka field (Western field) ⓘ Einigkeit Mine	[Chamosite] Lis et al. (1986)
Gmina Stara Kamienica Stara Kamienica ⓘ Stara Kamienica skarn occurrence	[Chamosite] Dariusz Jończy collection
Karpacz ⓘ Krucze Skały	[Chamosite] Szełęg et al. (Karkonosze massif, Lower Silesia, Poland)
Kowary ⓘ Wołowa Góra	[Chamosite] Sęk (2018)
Kłodzko County Gmina Bystrzyca Kłodzka ⓘ Marcinków	[Chamosite] Ł. Kruszewski PXRD & pXRF data (paper in preparation)
Gmina Stronie Śląskie Kletno ⓘ Żmijowiec	[Chamosite var: Brunsvigite] Gil et al. (2019)
Lubań County Świeradów-Zdrój ⓘ Czerniawa-Zdrój	[Chamosite] Lis et al. (1986)
Lwówek Śląski County Gmina Mirsk ⓘ Gierczyn	[Chamosite] Lis et al. (1986)
ⓘ Krobica	[Chamosite var: Thuringite] Lis et al. (1986)
Strzelin County Gmina Strzelin ⓘ Biały Kościół granite quarry I	[Chamosite] Lis et al. (1986)
Świdnica County Gmina Dobromierz ⓘ Borów	[Chamosite] King (n.d.)
ⓘ Czernica	[Chamosite] King (n.d.)
ⓘ Gmina Strzegom	[Chamosite] Dana et al. (chemical analysis)
ⓘ Graniczna	[Chamosite] Lis et al. (1986)
Kostrza ⓘ Wekom II quarry	[Chamosite] King (n.d.)
Strzegom ⓘ Grabina	[Chamosite] Lis et al. (1986)
ⓘ Grabina I quarry	[Chamosite] King (n.d.)
ⓘ Granit-Wiatrak quarry	[Chamosite] Ivan A. Novikov
ⓘ Strzegom I quarry	[Chamosite] SpiriferMinerrals
ⓘ Strzegom II quarry	[Chamosite] SpiriferMinerals
ⓘ Strzegom III quarry	[Chamosite] SpiriferMinerals
ⓘ Żółkiewka	[Chamosite] Tomas Praszkier
ⓘ Andrzej I quarry	[Chamosite] E. Szeleg
ⓘ Andrzej II quarry	[Chamosite] SpiriferMinerals
ⓘ Andrzej III quarry	[Chamosite] SpiriferMinerals
ⓘ Wiatrak	[Chamosite] SpiriferMinerals
Wałbrzych County Gmina Głuszyca ⓘ Łomnica	[Chamosite] Lis et al. (1986)
Ząbkowice Śląskie County Gmina Ząbkowice Śląskie ⓘ Szklary	[Chamosite var: Brunsvigite] Sachanbiński et al. (2000)

Portugal
Beja Aljustrel Aljustrel e Rio de Moinhos Aljustrel Mine ⓘ Feitais deposit	[Chamosite] Alves (n.d.)
Almodôvar Almodôvar e Graça dos Padrões ⓘ Cerro do Algaré Mine	[Chamosite] Oliveira et al. (2025)
ⓘ Porteirinhos Mine	[Chamosite] Oliveira et al. (2025)
Santa Cruz ⓘ Barrigão Mine	[Chamosite] Oliveira et al. (2025)
Barrancos Barrancos ⓘ Aparis Mine	[Chamosite] Oliveira et al. (2025)
Beja Santa Vitória e Mombeja ⓘ Ferrarias e Castelo Mine	[Chamosite] Oliveira et al. (2025)
Castro Verde Castro Verde e Casével ⓘ Herdade do Ferragudo Mine	[Chamosite] Oliveira et al. (2025)
Santa Bárbara de Padrões ⓘ Neves-Corvo Mine	[Chamosite] Cabri et al. (1998) +2 other references
Bragança Bragança Aveleda e Rio de Onor ⓘ Monte da Gandeira e Serra das Barreiras Brancas Mines	[Chamosite] LNEG - Laboratório Nacional de Energia ...
Mirandela Mascarenhas ⓘ Vale do Ninho Mine	[Chamosite] LNEG - Laboratório Nacional de Energia ...
Torre de Moncorvo Felgar e Souto da Velha ⓘ Cabeço da Mua Mine	[Chamosite] various correctly added photos
Coimbra ⓘ Mondego River Basin	[Chamosite var: Brunsvigite] International Geological Congress (2008)
Guarda Gouveia Folgosinho ⓘ Sítio do Castelo Mine	[Chamosite] Alves et al. (2012)
Vila Nova de Foz Côa Numão ⓘ Numão prospect	[Chamosite] Leal et al. (2022)
Leiria Leiria Monte Redondo e Carreira Montijos ⓘ Montijos quarry	[Chamosite] Rui Nunes 2012
ⓘ Panasqueira Mines	[Chamosite] Figueiras +3 other references
Setúbal Grândola Azinheira dos Barros ⓘ Lousal Mine	[Chamosite] Oliveira et al. (2024)
Viana do Castelo Ponte da Barca Touvedo (São Lourenço e Salvador) ⓘ Pedra da Moura Mine	[Chamosite] Leal Gomes et al. (2009)
Vila Real Boticas Ardãos e Bobadela ⓘ Limarinho deposit	[Chamosite] Fuertes-Fuente et al. (2011)
Montalegre Salto ⓘ Borralha Mines	[Chamosite] Bobos et al. (2021)

Romania
ⓘ Bistriţa Mn belt	[Pennantite] Hirtopanu (2006)
Caraş-Severin County Ocna de Fier ⓘ Paulus Mine	[Chamosite] Ciobanu et al. (2004)
Harghita County Joseni ⓘ Belcina Creek (Belcina)	[Chamosite] Hirtopanu et al. (2013)
Maramureș County Târgu Lăpuș ⓘ Răzoare	[Pennantite] Udubasa et al. (1996) +2 other references

Russia
Altai Krai Shipunovsky District ⓘ Bakchar deposit	[Chamosite] Rudmin +8 other references
Chelyabinsk Oblast Chesmensky District ⓘ Tarutinskoe deposit	[Chamosite] Kasatkin et al. (2025)
Kunashaksky District ⓘ Biksizak deposit	[Chamosite] Plotinskaya et al. (2020)
Vishnevye Mountains Buldym Lake ⓘ Vein No. 140	[Chamosite] Попова et al. (2019)
ⓘ Vein No. 37A	[Chamosite] Попова et al. (2019)
Dolgaya Mt. ⓘ Unnamed quarry	[Chamosite] Попова et al. (2019)
ⓘ Vein no. 35	[Chamosite] Kasatkin et al. (2019)
Kobelikha Mt. ⓘ Unnamed quarry	[Chamosite] Nishanbaev et al. (2016)
Chukotka Autonomous Okrug Bilibinsky District ⓘ Kekura (Kekurnoe) deposit	[Chamosite] Nagornaya et al. (2021)
Chaunskii District (Chaun) Ilirney ore district ⓘ Sentyabr’skoe deposit	[Chamosite] Nikolaev et al. (2013) +1 other reference
ⓘ Kapelka prospect	[Chamosite] Kalko et al. (2014)
Jewish Autonomous Oblast ⓘ Poperechny Fe-Mn deposit	[Chamosite] Nevstruev et al. (2019)
Kabardino-Balkaria Elbrussky District Tyrnyauz Urban Settlement Tyrnyauz Mo-W deposit ⓘ Slepaya Zalezh ore body	[Chamosite] Gramenitskiy et al. (2019)
Kemerovo Oblast Chebulinsky District Chulym-Yenisey basin ⓘ Shestakovo outcrop	[Chamosite] Rudmin et al. (Western Siberia)
Khabarovsk Krai Ayano-Maysky district Konder alkaline-ultrabasic massif ⓘ Anomal’niy Cu-PGE deposit	[Chamosite] - (2016) +1 other reference
Khakassia (Republic of Khakassia) Askizsky Rayon Askiz ore district ⓘ Chapsordag deposit	[Pennantite] Kassandrov et al. (2009)
ⓘ Malosyrsky deposit	[Pennantite] Kassandrov et al. (2009)
Khanty-Mansi Autonomous Okrug Berezovo district Saranpaul ⓘ Dodo Mine	[Chamosite] Burlakov (1995)
ⓘ Puiva Mount	[Chamosite] Burlakov (1999)
Krasnoyarsk Krai ⓘ Gorevskoe	[Chamosite] Kovalev et al. (2023)
Taymyrskiy Autonomous Okrug Taimyr Peninsula Norilsk-Talnakh Mining Region Talnakh Cu-Ni Deposit ⓘ Oktyabrsky Mine	[Chamosite] Barkov et al. (2021) +1 other reference
Kursk Oblast Kursk Magnetic Anomaly ⓘ Mikhailovskoe Fe deposit	[Chamosite] Tsekhovskii et al. (2002)
Magadan Oblast Omsukchansky District Ducat ore field ⓘ Ducat Mine (Dukat Mine)	[Chamosite] www.igem.ru (2001)
ⓘ Nevskoe W-Sn Deposit (Nevskoye; Nevskoje)	[Chamosite] Pavel.M. Kartashov (n.d.)
ⓘ Moscow	[Chamosite] Pekin et al. (2010) +1 other reference
ⓘ Kamushki	[Chamosite] Pekin et al. (2010) +1 other reference
Murmansk Oblast ⓘ Afrikanda complex	[Chamosite] Chakhmouradian et al. (2002)
Khibiny Massif Lovchorr Mt ⓘ Pyrrhotite gorge	[Chamosite] Kompanchenko et al. (2018) +1 other reference
Kovdorsky District ⓘ Kovdor Massif	[Chamosite] Mikhailova et al. (2015) +1 other reference
ⓘ Lovozero Massif	[Chamosite] ...
Northern Karelia ⓘ Sallanlatvi Massif	[Chamosite] Zaitsev et al. (2004)
Olenegorsk ⓘ Olenegorskoe Fe deposit	[Chamosite] Bazai et al. (2009)
Pechengsky District ⓘ Kola Superdeep Borehole (SG-3; СГ-3)	[Chamosite] Tatiana A. Gornostaeva analytical data
Pechenga Ni-Cu ore field ⓘ Bragino ore occurrence	[Chamosite] Kompanchenko et al. (2018) +1 other reference
Polyarnyy ⓘ Maljavr Au occurrence	[Chamosite] Kalinin et al. (2024)
Nenets Autonomous Okrug Yugorskii Peninsula Pai-Khoi Range (Paikhoi; Pay Khoy) ⓘ Nadeiyakha occurrence	[Chamosite] Brusnitsyn et al. (2019)
Perm Krai Gornozavodskii District ⓘ Biserskoye Cr deposit (Biserskii Zavod; Bissersky)	[Chamosite] Jahn (2004)
Sarany ⓘ Saranovskii Mine	[Chamosite] Ivanov +1 other reference
Primorsky Krai Kavalerovsky District Karadubsky ore field ⓘ Verkhnee Tin deposit	[Chamosite] Gorelikova et al. (2008)
Republic of Karelia Loukhsky District Oulanka plutonic complex Olanga River (Oulanka River) ⓘ Lukkulaisvaara ultrabasic Massif (Lukkulaisvaara pluton; Lukkulaisvaara layered intrusion)	[Chamosite] Semenov et al. (2008)
Pryazhinsky District ⓘ Novye Peski deposit	[Chamosite] Ivashchenko et al. (2018, June)
Sakha Aldansky District Upper Amga gold-mining district Khokhoy Gold Ore Field ⓘ Khokhoy deposit	[Chamosite] Anisimova et al. (2025)
Oymyakonsky District ⓘ Elga meteorite	[Chamosite] Sharygin (2020)
Polar Yakutia Bulun District Lena River Basin ⓘ Bulkur placer	[Chamosite] Pavlushin et al. (2025)
ⓘ Tomtor Massif	[Chamosite] Okrugin et al. (2023)
Stavropol Krai Pyatigorsk Lermontovskoe U deposit Beshtau Mountain ⓘ Mine no. 1	[Chamosite] Gurzhiy et al. (2025)
Sverdlovsk Oblast Asbest ⓘ Bazhenovskoye deposit	[Chamosite] Антонов (2003)
Serovsky District Serov Kola massif ⓘ Elov Mine	[Chamosite] Mikhailov (2000) +1 other reference
Turya river Tur'insk ⓘ Vorontsovskoe deposit (Vorontsovsk gold deposit; Vorontsovka deposit)	[Chamosite] Stepanov +7 other references
ⓘ Syum-Keu Ophiolite Massif	[Chamosite] Shabutdinov et al. (2024)
Tomsk Oblast ⓘ Bakcharskoe	[Chamosite] Рудмин
Tyumen Oblast ⓘ Sob	[Chamosite] Brusnitsyn et al. (2017)
Yamalo-Nenets Autonomous Okrug Nadymsky District ⓘ Lenzitskaya well No. 77	[Chamosite] Sergeevich et al. (2019)
Zabaykalsky Krai Tungokochensky District Vershino-Darasunskiy Darasun mine ⓘ Geneva vein	[Chamosite] Yurgenson et al. (2023)

Saudi Arabia
Tabuk Region Wejh ⓘ Mahd Adh Dhahab Mine (Mahad Dahahab Mine; Cradle of Gold Mine)	[Chamosite] El-shafei et al. (2020)

Slovakia
Banská Bystrica Region Banská Bystrica District Ľubietová ⓘ Podlipa deposit	[Chamosite] Pauliš
ⓘ Predsvätodušná	[Chamosite] Ozdín D.
ⓘ Svätodušná deposit	[Chamosite] Pauliš
Banská Štiavnica District Beluj ⓘ Beluj porphyry gold occurrence	[Chamosite] Kozák J. et al. (2017)
Brezno District Brezno ⓘ Koleso	[Chamosite] Ozdín D. (Dissertation thesis)
Poltár District ⓘ Kokava nad Rimavicou	[Chamosite] King (n.d.)
Revúca District Jelšava ⓘ Bradlo	[Chamosite] Koděra (1986)
Nandraž ⓘ Elena Mine	[Chamosite] Koděra (1986)
ⓘ Mt Bradlo	[Chamosite] Koděra (1986)
Sirk ⓘ Železník iron deposit	[Chamosite] Grecula (1995)
Šivetice ⓘ Kokava nad Rimavicou	[Chamosite] Konečný et al. (2011)
Rimavská Sobota District Hnúšťa ⓘ Mútnik deposit	[Chamosite] Koděra (1986)
ⓘ Klenovec	[Chamosite] King (n.d.)
Žarnovica District Rudno nad Hronom ⓘ Rudno nad Hronom-Brehy deposit	[Chamosite] Vlasáč et al. (2024)
Bratislava Region Pezinok District Pezinok ⓘ Kolársky vrch deposit	[Chamosite] Pauliš
Košice Region Gelnica District Prakovce Zimná Voda valley ⓘ Trohanka (Trochánka)	[Chamosite] Ružička P. et al. (2017)
Smolník ⓘ Hekerová manganese deposit	[Chamosite] Rojkovič (2001) +1 other reference
Rožňava District Čučma ⓘ Čierna baňa	[Chamosite] Radvanec M. and Gonda S. (2020) +1 other reference
ⓘ Sb deposit (Matej; Gabriela and Klement Mine)	[Chamosite] Ozdín D.
Dobšiná Dobšiná mining district ⓘ Malá Vlčia Valley pegmatite vein	[Chamosite] Uher P. et al. (2018)
Ochtiná ⓘ Ochtiná-Rochovce Mo-W deposit	[Chamosite] Yáñez et al. (2021) +1 other reference
Rožňava ⓘ Grexa	[Chamosite] Ozdín D. et al. (in Slovak) +1 other reference
Prešov Region Poprad District Vysoké Tatry ⓘ Velická dolina Valley	[Chamosite] Koděra (1986)
ⓘ Ždiar	[Chamosite] Koděra (1986)
ⓘ Mt. Ždiarska Vidla	[Chamosite] Koděra (1986)
Žilina Region Liptovský Mikuláš District Jamník ⓘ Mount Baranec	[Chamosite] Gawęda et al. (2016)
ⓘ Východná	[Chamosite] Koděra (1986)
Tvrdošín District Vitanová ⓘ Dolina Oravice Valley	[Chamosite] Koděra (1986)

South Africa
Gauteng City of Tshwane Metropolitan Municipality ⓘ Vergenoeg Mine	[Chamosite] Cairncross et al. (2008)
Limpopo Sekhukhune District Municipality Ephraim Mogale Local Municipality Marble Hall ⓘ Stavoren-Mute Fides	[Chamosite] Cairncross et al. (1995)
Vhembe District Municipality Musina Local Municipality ⓘ Musina	[Pennantite]
ⓘ Messina Mine	[Pennantite] Cairncross et al. (1995)
Northern Cape John Taolo Gaetsewe District Municipality Joe Morolong Local Municipality ⓘ Wessels Mine	[Chamosite] Cairncross et al. (1995)

South Korea
North Gyeongsang Province Yeongyang County Ilwol-myon ⓘ Yonghwa-dong	[Chamosite] Kinosaki (1941)
ⓘ Samgwang mine	[Chamosite] Bong Chul Yoo (2010)

Spain
Andalusia Almería Adra ⓘ Metapelite outcrops	[Chamosite] B. Goffé et al.
Córdoba Belalcázar La Ventosilla farmhouse ⓘ Cogolla Alta mine	[Chamosite] Rewitzer et al. (2018)
Hornachuelos Sierra Albarrana ⓘ Cerro de la Sal quarry	[Chamosite] Maria del Mar Abad-Ortega and Fernando ...
Granada Almuñecar ⓘ Loma del Gato	[Chamosite] Calvo (2018)
Huelva Beas ⓘ Masa Valverde Mine (Valverde Mine)	[Chamosite] Ruiz et al. (2002)
Minas de Riotinto ⓘ Rio Tinto Mines	[Chamosite] Leistel et al. (1997)
Asturias Belmonte de Miranda ⓘ El Valle-Boinás Mine	[Chamosite] Mesa et al. (2002)
Balearic Islands Majorca Llucmajor ⓘ Cova del Pas de Vallgornera	[Chamosite] Onac et al. (2014) +1 other reference
Castile and Leon León Astorga ⓘ Coto San Bernardo mine	[Chamosite] Mapa geologico y minero de Castilla y Leon. SIEMCALSA (Sociedad de Investigación y Explotación Minera de Castilla y León, S.A)
Zamora Alcañices ⓘ Santa Ana	[Chamosite] Fernández et al. (1998)
Fonfría ⓘ Bermillo de Alba	[Chamosite] Fernández et al. (1998)
Muelas del Pan ⓘ Cerezal de Aliste	[Chamosite] Fernández et al. (1998)
ⓘ Villaflor	[Chamosite] Fernández et al. (1998)
Rábano de Aliste ⓘ San Mamed	[Chamosite] Fernández et al. (1998)
Trabazos ⓘ Latedo	[Chamosite] Fernández et al. (1998)
ⓘ Villarino trás la Sierra	[Chamosite] Fernández et al. (1998)
ⓘ Videmala	[Chamosite] Fernández et al. (1998)
Catalonia Girona ⓘ Sant Feliu de Buixalleu	[Chamosite] Edith Trybalski
Community of Madrid El Berrueco ⓘ Los Taberneros Quarry (La Cabrera pluton)	[Chamosite] González del Tánago et al. (2008)
La Cabrera ⓘ La Cabrera pluton	[Chamosite] Tánago et al. (2012)
Valdemanco ⓘ El Madroñal Quarry (La Cabrera pluton)	[Chamosite] González del Tánago et al. (2008)
ⓘ Los Alisos W Quarry (La Cabrera pluton)	[Chamosite] González del Tánago et al. (2008)
ⓘ Peña Mojada Quarry (Los Alisos E Quarry; La Cabrera pluton)	[Chamosite] González del Tánago et al. (2008)
Galicia Lugo Quiroga Ribas de Sil ⓘ Portas del Sil Au deposit	[Chamosite] Cepedal et al. (2024)
Pontevedra Ponteareas ⓘ Cillarga Quarry	[Chamosite] Calvo et al. (2009)
Porriño ⓘ Porriño quarries	[Chamosite] Calvo et al. (2009)
La Rioja Navajún ⓘ Ampliación a Victoria Mine	[Chamosite] Fernando Gascón collection
Murcia La Unión Portman ⓘ San José	[Chamosite] Manteca (2013)
Lorca Ramonete ⓘ Loma de Bas tunnel	[Chamosite] Georges FAVREAU collection and EDX ...
Valencian Community Castellón Torás Mt. La Rocha de Piquer ⓘ Los Arenales quarry	[Chamosite] Joan Rosell

Sweden
Dalarna County Säter Öster Silvberg mining district ⓘ Gumsberg project	[Chamosite] Makvandi et al. (2024)
Kalmar County Västervik Gamleby ⓘ Olserum	[Chamosite] Fullerton (2014)
Norrbotten County Kiruna Kiruna Town Mining District ⓘ Pahtohavare Cu-Au deposit	[Chamosite] Valentin Alain (2014)
Pajala ⓘ Tapuli (Tapulivuoma)	[Chamosite] Denisová (2013)
Örebro County Lindesberg Nyberget Nyberget ore field ⓘ Mangruvan	[Orthochamosite] Excalibur Mineral Company specimen. Jeff Weissman Photo (146569)
Stockholm County Nynäshamn ⓘ Stora Vika	[Chamosite] Gustafsson et al. (1991)
Värmland County Filipstad Långban Ore District Långban Mine ⓘ Bjelke's shaft dump	[Pennantite] Grensman (2003)
Persberg ore district Pajsberg ⓘ Harstigen Mine	[Pennantite] Nysten (1984)

Switzerland
Bern Interlaken-Oberhasli Guttannen Gerstenegg ⓘ Gerstenegg-Grimsel cable tunnel	[Orthochamosite] Stalder et al. (1998)
Oberaar lake area ⓘ Grunerhorn	[Orthochamosite] Stalder et al. (1998)
Innertkirchen Gadmen Valley Gental ⓘ Balmeregghorn	[Chamosite] Stalder et al. (1998)
Gental ⓘ Baumgarten Alp (Erzegg-Erztäli-Balmeregghorn)	[Chamosite] Doswald C.
Planplatten ⓘ Erzgrueben	[Chamosite] Doswald C.
Urbach Valley ⓘ Rote Fluh	[Chamosite] Stalder et al. (1998)
Lauterbrunnen ⓘ Stuefestein (Stufistein)	[Chamosite] Stalder et al. (1998)
Glarus Glarus Süd Schwanden ⓘ Glärnisch	[Chamosite] Stalder et al. (1998)
Obwalden Kerns Melch Valley Melchsee-Frutt ⓘ Erzegg - Planplatte area	[Chamosite] Stalder et al. (1998)
Uri Reuss Valley Amsteg ⓘ Amsteg power station	[Chamosite] Engel et al. (1978)
Göschenen ⓘ St Gotthard Highway tunnel (north section)	[Orthochamosite] Stalder et al. (1998)
Silenen ⓘ Maderanertal	[Chamosite] Jordi Fabre specimen
Golzern ⓘ Kleine Windgälle (Chli Windgälle; Läged Windgälle)	[Chamosite] Stalder et al. (1998)
Valais Conthey Chamoson ⓘ Haut de Cry	[Chamosite] Berthier (1820) +1 other reference
Goms Binn Lärchultini ⓘ Gorb	[Chamosite] Christian Bracke
Leuk Turtmann-Unterems Turtmann Valley Pipjitälli ⓘ Pipji glacier	[Pennantite] The Canadian Mineralogist Vol. 44 (2006) +1 other reference
Saint-Maurice Salvan Les Marécottes La Creusaz ⓘ La Creusaz U prospect	[Chamosite] Meisser (2012)
Visp Saas-Fee Fee Glacier ⓘ Felskinn	[Chamosite] Phillip Betancourt

Tajikistan
Gorno-Badakhshan Murghob Rangkul ⓘ Snezhnoe deposit	[Chamosite] Litvinenko +8 other references

Turkey
ⓘ Adıyaman Province	[Chamosite] Celebi et al. (2010)
Balikesir Province Havran District ⓘ Halılar Cu-Pb (±Zn) mineralization	[Chamosite] Yildirim (2022)
Giresun Province Bulancak District ⓘ Aydindere Fe-Cu skarn deposit	[Chamosite] Sasmaz et al. (2025)
Kirikkale Province ⓘ Kırıkkale	[Chamosite] Erik vercammen finds and collection

UK
England Cornwall Calstock Sevenstones ⓘ Silver Valley Mine (William and Mary Worth Mine; incl. Ashburton Mine)	[Chamosite] Dines (1956)
Carn Brea Pool ⓘ South Crofty Mine	[Chamosite] Dines (1956)
Gwennap ⓘ Carharrack Mine	[Chamosite] Griffiths (n.d.)
Cusgarne ⓘ Mount Wellington Mine (Wheal Magpie)	[Chamosite]
Linkinhorne Minions ⓘ Phoenix United Mine	[Chamosite] Golley et al. (1995)
Sharptor ⓘ Sharptor Mine (West Sharptor Mine)	[Chamosite] Dines (1956)
Redruth Tarewaste ⓘ New Tolgus Shaft	[Chamosite] Dines (1956)
St Cleer Caradon Hill ⓘ South Caradon Mine	[Chamosite]
St Hilary ⓘ Ennys Wheal Virgin	[Chamosite] www.dakotamatrix.com (2014)
ⓘ Penberthy Croft Mine	[Chamosite] Grey et al. (2015)
St Just Pendeen ⓘ Geevor Mine	[Chamosite] Golley et al. (1995)
Cumbria South Lakeland Coniston ⓘ Bonser Mine	[Chamosite] Day (1999)
ⓘ Derbyshire	[Chamosite] Ford et al. (1993)
Derbyshire Dales District Blackwell in the Peak ⓘ Calton Hill Quarry	[Chamosite] Ford et al. (1993)
Great Hucklow ⓘ Milldam Mine	[Chamosite] Ford et al. (1993)
South Darley ⓘ Millclose Mine	[Chamosite] Embrey (1978) +1 other reference
Stoney Middleton ⓘ Hanging Flats mine	[Chamosite] Ford et al. (1993)
Devon West Devon Okehampton Hamlets ⓘ Meldon Quarry	[Chamosite] www.mineralman.f9.co.uk (2001)
Gloucestershire Gloucester ⓘ Sturt Bridge	[Chamosite] [Specimen in the Natural History Museum
Northamptonshire Corby Weldon ⓘ Weldon Quarry	[Chamosite] Render (n.d.)
Wellingborough Irchester ⓘ Old Lodge Pit	[Chamosite] Hollingworth et al. (1950)
Northern Ireland County Down Mourne Mountains Newcastle ⓘ Lindsay's Leap	[Chamosite] Green et al. (2005)
County Tyrone Omagh ⓘ Cavanacaw (Kearney trench; Kearney gold structure)	[Chamosite] Birtel et al. (2013)
Scotland Aberdeenshire Ballater ⓘ Gairnshiel Bridge	[Chamosite] Dr Stephen Moreton collection.
Argyll and Bute Isle of Mull Ben More ⓘ An Gearna	[Chamosite] Embrey (1978)
Highland Fort William and Ardnamurchan Strontian ⓘ Whitesmith Mine	[Chamosite] Green et al. (2005) +1 other reference
Wales Gwynedd Aberdaron Rhiw ⓘ Benallt Mine	[Pennantite] Campbell Smith et al. (1946) +6 other references
Brithdir and Llanfachreth ⓘ Friar's Coat trial	[Chamosite] Matthews and Scoon (1964)
Dolbenmaen Prenteg Fron Olau ⓘ Twll Maen Grisial	[Chamosite]
Powys Old Radnor ⓘ Dolyhir Quarry	[Chamosite] Cotterell et al. (2011)
Rhondda Cynon Taf Cwmaman ⓘ Cwmneol Colliery (Morris's pit)	[Chamosite] Chamosite confirmed by XRD at the ...
ⓘ Fforchaman Colliery	[Chamosite] National Museum of Wales collection
Swansea Pennard Pwll Du Head ⓘ Cliff exposures and Wave platforms	[Chamosite] Render (n.d.)

Ukraine
Crimea Alushta ⓘ Bondarenkovo Village (Karabakh)	[Chamosite] Alexander I. Tischenko (1996)
Ordzonikidze Village area ⓘ Kiik-Atlama mys (Kiik-Atlama cape)	[Chamosite] Geologiya SSSR (The geology of USSR)
Kirovohrad Oblast Central Ukrainian Uranium Province ⓘ Pervomayske deposit	[Chamosite] Dudar et al. (2018)
Zhytomyr Oblast Zhytomyr Raion ⓘ Khoroshiv Raion (Volodarsk-Volynskii)	[Chamosite] Pavel.M. Kartashov (n.d.) +1 other reference

USA
Alabama Jefferson County ⓘ Birmingham Mining District	[Chamosite] Dean (1995)
Arizona Cochise County ⓘ Bisbee	[Chamosite] Graeme (1981)
Cochise Mining District Gunnison Copper Project Johnson Camp Johnson Mine (Johnson Camp Mine) ⓘ Burro Pit	[Chamosite] Rolf Luetcke
Middle Pass Mining District Black Diamond Peak ⓘ Festerling Mine (Elsicor Mine; Cora Mine)	[Chamosite] Luetcke (n.d.)
ⓘ Gordon Spring prospects	[Chamosite] Luetcke (n.d.)
ⓘ Middlemarch Mine	[Chamosite] Luetcke (n.d.)
ⓘ Warren Mining District	[Chamosite] Anthony et al. (1995)
Gila County El Capitan Mining District El Capitan Pass area ⓘ Limestone Ridge prospect (Limestone Ridge Hematite prospect; V.O. Ranch prospect)	[Chamosite] MRDS database Dep. ID #10027285 +1 other reference
La Paz County Buckskin Mountains Santa Maria Mining District (Planet Mining District; Swansea Mining District; Bill Williams Mining District) ⓘ BCC Mines	[Chamosite] Jay Penn collection
Mohave County Hualapai Mountains Hualapai Mining District Pine Peak ⓘ Antler Mine	[Chamosite] Anthony et al. (1995)
ⓘ Unnamed Chamosite occurrence	[Chamosite] Anthony et al. (1995)
Pima County Ajo Mining District Little Ajo Mountains Ajo ⓘ New Cornelia Mine	[Chamosite] Thomas et al. (1983)
Comobabi Mountains Cababi Mining District (Comobabi Mining District) Sells ⓘ Chicago Mine	[Chamosite] Anthony et al. (1995)
Pinal County Mineral Mountain Mining District Bell Butte area ⓘ Ajax Mine	[Chamosite] Collected by Mr. Eckhard Stuart
Santa Cruz County Patagonia Mountains Patagonia Mining District Duquesne-Washington Camp San Antonio Canyon Santo Niño Mine area ⓘ Santo Nino Mine (Santo Niño Mine; North Santo Nino; North Santo Wind; Brooks; Santa Maria Mo Mine)	[Chamosite] Anthony et al. (1995)
Yavapai County Black Hills (Black Hill Range) Verde Mining District Jerome Copper Chief Mine area ⓘ Pipe Line road	[Chamosite var: Brunsvigite] Anderson (1958)
ⓘ United Verde Mine	[Chamosite] Anderson (1958) +1 other reference
ⓘ Shea Mine area	[Chamosite] Anderson (1958)
Eureka Mining District Bagdad ⓘ Bruce Mine	[Chamosite] Anthony et al. (1995)
ⓘ Unnamed massive volcanogenic sulfide deposit	[Chamosite] Anthony et al. (1995)
Arkansas ⓘ Garland County	[Chamosite] Howard (1987) +1 other reference
Hot Spring County Magnet Cove ⓘ Jones Mill Quarry	[Chamosite] Henry Barwood - unpublished (2010)
ⓘ Perry County	[Chamosite] Howard (2007)
ⓘ Pike County	[Chamosite] Howard (2007)
ⓘ Polk County	[Chamosite] Howard (2007)
Pulaski County Little Rock Granite Mountain area ⓘ Big Rock Quarry (3M Quarry; Arch Street Pike Quarry)	[Chamosite] H. Barwood - unpublished (2010)
ⓘ Saline County	[Chamosite] Howard (1987) +1 other reference
Sevier County Gillham ⓘ Brewer Mine	[Chamosite] Rocks & Minerals 71:2 pp134-137
California San Benito County Idria (New Idria) ⓘ Yellow Cat Mine	[Chamosite] Phillip Betancourt
Santa Rita Peak ⓘ Black Diamond One claim	[Chamosite] Phillip Betancourt
Colorado Chaffee County ⓘ Sedalia Mining District	[Chamosite] Phillip Betancourt
El Paso County Pikes Peak ⓘ Pikes Peak batholith miarolitic cavities	[Chamosite] Eckel et al. (1997)
Mineral County Creede Mining District Amethyst vein ⓘ Amethyst Mine	[Chamosite] Rocks & Min.: 24:235.
ⓘ Bulldog Mountain Mine	[Chamosite] Kucera (2021)
ⓘ Ridge Mine	[Chamosite] Eckel et al. (1997)
ⓘ Solomon Mine	[Chamosite] Eckel et al. (1997)
Ouray County ⓘ Ouray Mining District	[Chamosite] U.S. Geological Survey Professional ...
Gold Hill ⓘ Great Western Mine	[Chamosite] U.S. Geological Survey Professional ...
ⓘ Wanakah Mine	[Chamosite] U.S. Geological Survey Professional ...
Georgia Dade County ⓘ Lookout Valley	[Chamosite] Cook (1978)
Idaho Washington County ⓘ Iron Mountain Mining District	[Chamosite] Ven King
Maine Aroostook County Castle Hill ⓘ Dudley Mine (Dudley manganese prospect)	[Chamosite] Pavlides et al. (1962)
Mapleton ⓘ Grendell Road Locality	[Chamosite] Williams et al. (1900)
ⓘ Haines Mountain Micromount Locality	[Chamosite] Boucot et al. (1964)
ⓘ Pelkey Road Locality	[Chamosite] Williams et al. (1900)
T12 R8 WELS ⓘ Bald Mountain Mine	[Chamosite] King et al. (1994)
T3 R9 WELS ⓘ Hovey Mountain Manganese Prospect	[Chamosite] Pavlides et al. (1962)
TD R2 WELS ⓘ Collins Ridge Locality	[Chamosite] Pavlides et al. (1962)
ⓘ Lower Maple Mountain Manganese Prospect	[Chamosite] Pavlides et al. (1962)
ⓘ Meduxnekeag River North Branch Garnet Locality	[Chamosite] Pavlides et al. (1962)
ⓘ Porcupine Hill	[Chamosite] Pavlides et al. (1962)
ⓘ Upper Maple Mountain manganese prospect	[Chamosite] Pavlides et al. (1962)
Cumberland County Casco ⓘ Heath Quarry	[Chamosite] P. Cristofono collection (SEM-EDS analysis, 2009)
New Gloucester ⓘ Route 26 road cuts	[Chamosite] King (n.d.)
Franklin County Kibby ⓘ Kibby Stream	[Chamosite] King (n.d.)
Hancock County ⓘ Mount Desert Township	[Chamosite] Wiebe et al.
Knox County Saint George Clark Island ⓘ Clark Granite Quarry	[Chamosite] Vandall King
Lincoln County Monhegan Plantation ⓘ Monhegan Island	[Chamosite] King (n.d.)
Oxford County Albany ⓘ Bumpus Quarry	[Chamosite] King (2009)
ⓘ Songo Pond Quarry (Kimball Ledge Quarry)	[Chamosite] King (2009)
Paris ⓘ Ryerson Hill Quarries	[Chamosite] Found during 2021 study of Ryerson Hill ... +1 other reference
Rumford ⓘ Lookout Quarry	[Chamosite] Tim Blake and Scott Soucey specimens
Stow Colton Hill ⓘ Colton Hill Quarry	[Chamosite] King (n.d.)
West Paris ⓘ A.C. Perham Quarry	[Chamosite] King et al. (1994)
Sagadahoc County Woolwich ⓘ Route 1 Road Cut	[Chamosite] King (n.d.)
Washington County Pembroke ⓘ Big Hill Mine	[Chamosite] King et al. (1994)
Massachusetts Bristol County Acushnet ⓘ Acushnet Quarry	[Chamosite] King (n.d.)
Hampden County Blandford ⓘ Osborne Soapstone quarry ?	[Chamosite] "Western Massachusetts Mineral ...
Chester ⓘ Chester Emery Mines	[Chamosite] Gleba (2008)
Middlesex County Ashland ⓘ Aggregate Industries Quarry (Bayer-Mingolla Quarry; Trimount Quarry)	[Chamosite] Cristofono (n.d.)
Suffolk County Boston West Roxbury ⓘ West Roxbury Crushed Stone Quarry (West Roxbury Trap Rock Co. Quarry; Grove St. Quarry)	[Chamosite] Cristofono (n.d.)
Worcester County Fitchburg ⓘ Rollstone Hill Quarries	[Chamosite] Cristofono (n.d.)
Michigan Baraga County Imperial Heights ⓘ Spurr Mine	[Chamosite] Heinrich et al. (2004)
ⓘ Dickinson County	[Chamosite] Heinrich et al. (2004)
ⓘ Gogebic County	[Chamosite] Heinrich et al. (2004)
Gogebic iron range Marenisco ⓘ Copps Mine	[Chamosite] Carlson et al. (2007)
ⓘ Houghton County	[Chamosite] Heinrich et al. (2004)
Elm River Township Winona ⓘ Winona Mine	[Chamosite] Dave Maietta
Schoolcraft Township ⓘ St. Louis Mine Exploration	[Chamosite] Mineralogy of Michigan
ⓘ Iron County	[Chamosite] Heinrich et al. (2004)
ⓘ Iron River	[Chamosite] Heinrich et al. (2004)
Stambaugh ⓘ Hiawatha Group	[Chamosite] Heinrich et al. (2004)
ⓘ Hiawatha No. 1 Mine	[Chamosite] Heinrich et al. (2004)
ⓘ Hiawatha No. 2 mine	[Chamosite] Heinrich et al. (2004)
ⓘ Keweenaw County	[Chamosite] Heinrich et al. (2004)
Allouez Township ⓘ Cliff Mine	[Chamosite] Rosemeyer (1996)
Ojibway ⓘ Ojibway Mine	[Chamosite] Paul T. Brandes
ⓘ Ojibway No. 1 mine	[Chamosite] Rosemeyer (2022)
Eagle Harbor Township ⓘ Lakeshore traps	[Chamosite] Larry Maltby
ⓘ Marquette County	[Chamosite] Heinrich et al. (2004)
Champion Township Champion ⓘ Champion Mine	[Chamosite] Heinrich et al. (2004)
Michigamme Township Michigamme ⓘ Michigamme Mine	[Chamosite] Heinrich et al. (2004)
Negaunee ⓘ Negaunee iron formation	[Chamosite] Heinrich et al. (2004)
Republic ⓘ Republic Granite	[Chamosite] Heinrich et al. (2004)
Republic Township Republic ⓘ Republic Mine	[Chamosite] Heinrich et al. (2004)
ⓘ Menominee Iron Range mining district	[Chamosite] Heinrich et al. (2004)
Ontonagon County White Pine ⓘ Nonesuch formation	[Orthochamosite] Heinrich et al. (2004)
ⓘ White Pine Mine	[Chamosite] Heinrich et al. (2004)
Minnesota Crow Wing County ⓘ Emily District	[Chamosite] Econ Geology (1993)
ⓘ Duluth Complex	[Chamosite] Tutolo et al. (2019)
Saint Louis County Duluth ⓘ Lester Park	[Chamosite] Edith Trybalski
Missouri Washington County ⓘ Pea Ridge Mine	[Chamosite] Sherwood et al. (1998)
Montana Meagher County ⓘ Gordon Butte	[Chamosite] Mitchell (2000) +1 other reference
Silver Bow County Butte Mining District (Summit Valley Mining District) ⓘ Bullwhacker Mine	[Chamosite] Rocks & Min.: 16:243
ⓘ Butte & Duluth Mine	[Chamosite] Rocks & Min.: 16:243
Nevada Elko County Independence Mountains Mining District ⓘ Enfield Mine (Jerritt Canyon gold mine; Bell mine; Marlboro Canyon; Allchem; Generator Hill pits)	[Chamosite] Castor et al. (2004)
Pershing County Antelope Mining District ⓘ Majuba Hill Mine	[Chamosite] Jensen (1993) +1 other reference
New Hampshire Belknap County Gilford ⓘ Route 11 road cuts	[Chamosite] Scott Whittemore
Carroll County Conway Redstone ⓘ Redstone "Red Granite" quarry	[Chamosite]
Hale's Location ⓘ Middle Moat Mountain locality	[Chamosite] Janules (Micromounters of NE Newsletter, 4/ 2005)
ⓘ John Oliver locality	[Chamosite] King (n.d.)
Ossipee ⓘ Bald Mountain	[Chamosite] King (n.d.)
Coos County Gorham ⓘ Mascot Mine	[Chamosite] A. Plante collection +3 other references
Shelburne ⓘ White Mountain Silver & Lead Mine	[Chamosite] Smith (2005)
ⓘ Grafton County	[Chamosite] Meyers et al. (1956)
Groton ⓘ Pike Ledge prospects	[Chamosite] King (n.d.)
ⓘ Lyme	[Chamosite] King (n.d.)
Orford ⓘ Mount Cube	[Chamosite] Smith (2005)
Hillsborough County Amherst ⓘ Joppa Hill	[Chamosite] Cristofono (n.d.)
Brookline ⓘ O'Rourke Granite quarry	[Chamosite] King (n.d.)
Milford ⓘ Comolli Granite Quarry	[Chamosite] King (n.d.)
ⓘ Young Quarry	[Chamosite] King (n.d.)
Nashua ⓘ Stevens Granite Quarry	[Chamosite] King (n.d.)
ⓘ Pelham	[Chamosite] King (n.d.)
New Jersey Passaic County Haledon ⓘ Braen Quarry	[Chamosite] Imbriacco (2009)
Somerset County Bernards Township ⓘ Millington Quarry	[Chamosite] Maertens (2007)
Sussex County Franklin ⓘ Franklin Mine	[Pennantite] Dunn et al. (1983) +2 other references
ⓘ Buckwheat dump mineral collecting site	[Chamosite] King
ⓘ Buckwheat pit	[Chamosite] Dunn (1995)
Sparta Township ⓘ Edison Mine	[Chamosite] American Museum of Natural History ...
New Mexico Doña Ana County Organ Mountains ⓘ Organ Mining District	[Chamosite] Northrop et al. (1996)
ⓘ Excelsior Mine	[Chamosite] Northrop et al. (1996)
ⓘ Merrimac Mine	[Chamosite] Northrop et al. (1996)
Grant County Big Burro Mountains Black Hawk Mining District ⓘ Twin Peaks	[Chamosite] [Rocks & Minerals Vol 68 March/April ...
ⓘ Black Hawk Mine	[Chamosite] [Rocks & Minerals Vol 68 March/April ...
ⓘ Hanover-Fierro Mining District	[Chamosite] Northrop et al. (1996)
Hidalgo County Pyramid Mountains Lordsburg Mining District Lordsburg ⓘ Virginia District	[Pennantite] Jerry Cone Collection
ⓘ Ada Etta Mine (Mikesell group)	[Chamosite] Luetcke (n.d.)
ⓘ Atwood-Henry Clay Mine (Alamo Mine)	[Chamosite] Jerry Cone Collection
ⓘ Sylvanite Mining District	[Chamosite] Northrop et al. (1996)
ⓘ Copper Dick Mine	[Chamosite] Northrop et al. (1996)
McKinley County ⓘ Mount Taylor deposit	[Chamosite] NMBMMR Memoir 38 Geology and Technology ...
Sierra County ⓘ Iron Mountain No. 2 District	[Chamosite] Northrop et al. (1996)
New York Hamilton County Town of Long Lake ⓘ State Route 30 locality	[Chamosite] Richards et al. (2000)
Jefferson County ⓘ Antwerp	[Chamosite] Yale Peabody Museum
Oneida County ⓘ Clinton	[Chamosite] NY State Museum spec. no. 2291
St. Lawrence County Clifton Star Lake Benson ⓘ Benson Mines	[Chamosite] Marian Lupulescu et al. (2010)
Pierrepont ⓘ Power's Farm (Bower Powers farm; Ryland Crary farm)	[Chamosite] Chamberlain et al. (2013)
ⓘ Phosphate vein ?	[Chamosite] Steve Chamberlain et al (2009)
ⓘ North Carolina	[Chamosite] Leonard S.Wiener and Sigrid Ballew
Alleghany County Sparta Bald Knob ⓘ Bald Knob deposit	[Pennantite] Rocks & Min.: 60:130-135. +1 other reference
Iredell County ⓘ Mount Pisgah ?	[Chamosite] Genth (1891)
Oregon Douglas County ⓘ Cody-Long Quarry	[Chamosite] Housley (2022)
Pennsylvania York County East Manchester Township Emigsville ⓘ Codorus Stone & Supply Co. Quarry	[Chamosite] www.jonesgeo.com (2011)
Rhode Island Washington County Exeter ⓘ Mount Tom road cut	[Chamosite] Michael Kieron collection
South Carolina ⓘ Fairfield County	[Chamosite var: Brunsvigite] Speer (1987)
ⓘ Kershaw County	[Chamosite var: Brunsvigite] Speer (1987)
ⓘ Lancaster County	[Chamosite var: Brunsvigite] Speer (1987)
Saluda County ⓘ Clouds Creek Pluton	[Chamosite var: Brunsvigite] Speer et al. (1981)
South Dakota Lawrence County Lead Mining District Lead ⓘ Homestake Mine	[Chamosite] King (n.d.)
Pennington County Keystone Mining District ⓘ Keystone	[Pennantite] Roberts et al. (1965)
Tennessee Polk County ⓘ Mill Creek Valley Staurolite locality	[Chamosite] van Horn
Texas Uvalde County Knippa ⓘ Knippa Quarry (Whites mines; Texas Traprock quarries; Traprock Hill)	[Chamosite] Smith (2004)
Vermont Orleans & Lamoille Cos. Lowell & Eden ⓘ Belvidere Mountain Quarries	[Chamosite] Rocks & Min. 71 (4)
Rutland County Castleton ⓘ Crystal Ledge	[Chamosite] Rocks & Min. Vol. 71 (1996)
Virginia Albemarle County Batesville ⓘ Castle Mountain	[Chamosite] Dietrich (1990)
Augusta County Parnassus ⓘ Buck Hill	[Chamosite] Rocks & Minerals 84:352-362.
West Augusta ⓘ Stoutameyer Branch (Stotameyer Creek)	[Chamosite] Robin D. Tibbit (deceased)
Buckingham County Arvonia ⓘ Number 1 Slate Quarry	[Chamosite] Dietrich (1990)
Washington Chelan County Chiwawa Mining District Phelps Ridge (Red Mountain) ⓘ Trinity Mine	[Pennantite] Cannon (1975) +1 other reference
Leavenworth Mining District ⓘ Icicle Creek Roadcuts	[Pennantite] Cannon (1975)
King County Snoqualmie Mining District Middle Fork of the Snoqualmie River ⓘ Rainy Mine	[Pennantite] Cannon (1975)
ⓘ Source Lake Breccia	[Pennantite] Cannon (1975)
Okanogan County Golden Horn Batholith ⓘ Washington Pass	[Chamosite] Rocks and Minerals +1 other reference
Skamania County Cook ⓘ Carpathite occurrence	[Chamosite] Gladwell (2022)
Snohomish County Index Mining District ⓘ Lake Serene Mine	[Pennantite] Cannon (1975)
Monte Cristo Mining District ⓘ Silvertip Peak	[Pennantite] Cannon (1975)
Stevens County Springdale Mining District Allen Clay Property ⓘ Read Mine	[Pennantite] Cannon (1975)
Whatcom County Sisters Mining District ⓘ Ribbon Mine	[Chamosite] Derkey et al. (1990, November)
West Virginia ⓘ Jefferson County	[Chamosite] Roberts et al. (1974)
Wisconsin Ashland County Gogebic Range Mount Whittlesey ⓘ Berkshire Mine (Pioneer Mine; Hoppenyan exploration)	[Chamosite] Cordua (1998)
ⓘ Iron County	[Chamosite] USGS
Wood County Cary Mound area quarries ⓘ Haske Quarry	[Chamosite] Buchholz et al. (1999)
Wyoming Fremont County South Pass-Atlantic City Mining District Atlantic City ⓘ Atlantic City Mine	[Chamosite] Moore (2001)

Zambia
Central Province Mkushi District ⓘ Fishtie deposit	[Chamosite] Simusokwe (2021)

Mars	[Chamosite]

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