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Iron-bearing Magnesite

A variety of Magnesite

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Photos of Iron-bearing Magnesite (57)Discuss Iron-bearing Magnesite

Iron-bearing Magnesite Gallery Search Photos of Iron-bearing Magnesite

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Iron-bearing Magnesite, etc.

Slaughteryard face, Mount Bischoff Mine, Waratah-Mt Bischoff, Waratah district, Waratah-Wynyard municipality, Tasmania, Australia

Breunnerite

Rosenau am Hengstpaß, Kirchdorf an der Krems District, Upper Austria, Austria

Breunnerite

Vizze Pass, Sankt Jakob, Pfitsch, Wipptal, South Tyrol, Trentino-Alto Adige/Südtirol, Italy

Iron-bearing Magnesite, etc.

Slaughteryard face, Mount Bischoff Mine, Waratah-Mt Bischoff, Waratah district, Waratah-Wynyard municipality, Tasmania, Australia

Breunnerite

Rosenau am Hengstpaß, Kirchdorf an der Krems District, Upper Austria, Austria

Breunnerite

Vizze Pass, Sankt Jakob, Pfitsch, Wipptal, South Tyrol, Trentino-Alto Adige/Südtirol, Italy

Iron-bearing Magnesite, etc.

Slaughteryard face, Mount Bischoff Mine, Waratah-Mt Bischoff, Waratah district, Waratah-Wynyard municipality, Tasmania, Australia

Breunnerite

Rosenau am Hengstpaß, Kirchdorf an der Krems District, Upper Austria, Austria

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About Iron-bearing MagnesiteHide

Formula:

(Mg,Fe)CO₃

An iron-bearing variety of Magnesite.

Unique IdentifiersHide

Mindat ID:

765 (as Iron-bearing Magnesite)
2482 (as Magnesite)

Long-form identifier:

mindat:1:1:765:6 (as Iron-bearing Magnesite)
mindat:1:1:2482:8 (as Magnesite)

Chemistry of Iron-bearing MagnesiteHide

Mindat Formula:

(Mg,Fe)CO₃

Element Weights:

Element	% weight
O	56.928 %
Mg	28.827 %
C	14.245 %

Calculated from ideal end-member formula.

Elements listed:

C, Fe, Mg, O - search for minerals with similar chemistry

Synonyms of Iron-bearing MagnesiteHide

Brown Spar (in part)

Other Language Names for Iron-bearing MagnesiteHide

German:Walmstedtit

Simplified Chinese:铁质菱镁矿

Spanish:Walmstedtita

Varieties of Iron-bearing MagnesiteHide

Breunnerite	Obsolete name for an Fe-bearing variety of magnesite with the Mg:Fe atomic ratio ranging from 90:10 to 70:30. Compare mesitine spar. Originally reported from Pfitsch pass, Zamser Grund (Zams valley), Ziller valley, North Tyrol, Tyrol, Austria and Großer...
Mesitine Spar	Obsolete name for an Fe-bearing variety of magnesite with the Mg:Fe atomic ratio ranging from 70:30 to 50:50. Compare breunnerite.

Common AssociatesHide

Associations Based on Photo Data:

8 photos of Iron-bearing Magnesite associated with Fluorite	CaF₂
5 photos of Iron-bearing Magnesite associated with Talc	Mg₃Si₄O₁₀(OH)₂
4 photos of Iron-bearing Magnesite associated with Quartz	SiO₂
3 photos of Iron-bearing Magnesite associated with Magnesite	MgCO₃
2 photos of Iron-bearing Magnesite associated with Calcite	CaCO₃
1 photo of Iron-bearing Magnesite associated with Vivianite	Fe²⁺Fe²⁺₂(PO₄)₂ · 8H₂O
1 photo of Iron-bearing Magnesite associated with Bavenite	Ca₄Be₂Al₂Si₉O₂₆(OH)₂
1 photo of Iron-bearing Magnesite associated with 'Limonite'
1 photo of Iron-bearing Magnesite associated with Sellaite	MgF₂
1 photo of Iron-bearing Magnesite associated with Morinite	NaCa₂Al₂(PO₄)₂(OH)F₄ · 2H₂O

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 Iron-bearing MagnesiteHide

mindat.org URL:

https://www.mindat.org/min-765.html
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References for Iron-bearing MagnesiteHide

Reference List:

Localities for Iron-bearing MagnesiteHide

Showing 210 localities.

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

symbol to view information about a locality. The

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

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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
Bordj Badji Mokhtar Province Bordj Badji Mokhtar District Bordj Badji Mokhtar ⓘ Acfer 059/El Djouf 001 meteorites	[var: Breunnerite] Endress et al. (1994)

Antarctica
East Antarctica Mac Robertson Land Prince Charles Mountains ⓘ Jetty Peninsula	Andronikov et al. (2021)

Australia
South Australia Adelaide Hills Council Balhannah ⓘ Balhannah Copper and Bismuth Mine
Tasmania Waratah-Wynyard municipality Waratah district Waratah-Mt Bischoff ⓘ Mount Bischoff Mine	Bottrill et al. (2008)
Western Australia Kalgoorlie-Boulder Shire ⓘ Black Swan Mine	[var: Breunnerite] Marston (1984) +1 other reference
Kalgoorlie-Boulder ⓘ Kalgoorlie Consolidated Gold Mines	[var: Mesitine Spar] Simpson (1948)
ⓘ Mount Charlotte Gold Mine	[var: Breunnerite, var: Mesitine Spar] Simpson (1948)
Kanowna Goldfield ⓘ Robinson Gold Mine	[var: Mesitine Spar] Simpson (1948)
Mount Monger Goldfield Mount Monger ⓘ Lass O'Gowrie Gold Mine	[var: Mesitine Spar] Simpson (1948)
Woolibar Station (Hampton Plains Goldfield) South Kal Mines (South Kalgoorlie Gold Mine; HBJ) ⓘ Celebration Gold Mine	[var: Breunnerite] Simpson (1948)
Meekatharra Shire Meekatharra Meekatharra Goldfield ⓘ Commodore Gold Mine	[var: Mesitine Spar] Simpson (1948)
ⓘ Fenian Gold Mine	[var: Mesitine Spar] Simpson (1948)
ⓘ Globe Gold Mine	[var: Mesitine Spar] Simpson (1948)
ⓘ Ingliston Consols Gold Mine (Ingliston Consols Extended; Ingliston Consols South)	[var: Mesitine Spar] Simpson (1948)
ⓘ Ingliston Extended Gold Mine (Ingliston; Ingliston Extended North; New Ingliston; Ingliston Extended East; Manchuria; Ingliston Extended South)	[var: Breunnerite, var: Mesitine Spar] Simpson (1948)
Yaloginda Goldfield (Bluebird; Eight Mile; Yallowgindat) ⓘ Karangahaki Gold Mine (Phantom Mine)	[var: Breunnerite] Simpson (1948)
Wiluna Shire Mount Keith ⓘ Mount Keith Open Pit	Virnes et al. (2023)
Yilgarn Shire Mount Jackson Goldfield ⓘ Great Unknown Gold Mine	[var: Mesitine Spar] Simpson (1948)

Austria
Carinthia Sankt Veit an der Glan District Micheldorf Hirt Griesserhof (Gulitzen; Gullitzen) ⓘ Serpentinite quarry	[var: Breunnerite, var: Mesitine Spar] Anglberger (1984)
Spittal an der Drau District Großkirchheim ⓘ Judenbrücke	[var: Breunnerite] Meixner (1957)
Krems in Kärnten Eisentratten ⓘ A10 Highway cut	[var: Mesitine Spar] Meixner (1980)
Rennweg am Katschberg Katschberg ⓘ A10 Highway tunnel (Katschberg tunnel)	[var: Breunnerite] H. Meixner: Carinthia II 165./85.:15 (1975)
Lower Austria Neunkirchen District Puchberg am Schneeberg ⓘ Pfennigbach gypsum mine	[var: Breunnerite] Neschen (n.d.)
Salzburg Hallein District Abtenau ⓘ Digrub (Diegrub)	[var: Breunnerite, var: Mesitine Spar] Friedrich (1963) +1 other reference
ⓘ Gwehenberg (Quehenberg)	[var: Breunnerite, var: Mesitine Spar] Strasser (1989)
Rigaus Webing ⓘ Gypsum mine (Moldan mine)	[var: Breunnerite, var: Mesitine Spar] Neschen (n.d.)
ⓘ Zwieselbad	[var: Mesitine Spar] Strasser (1989)
Sankt Koloman Grabenbach area ⓘ Blue quartz occurrence	[var: Mesitine Spar] Strasser (1989)
ⓘ Grubach	[var: Breunnerite] Neschen (n.d.)
Scheffau am Tennengebirge Moosegg ⓘ Moosegg gypsum mine	[var: Mesitine Spar] Strasser (1998)
St. Johann im Pongau District Bad Hofgastein ⓘ Ingelsberg	[var: Breunnerite] Strasser (1989)
Bischofshofen ⓘ Flachenberg mine	[var: Breunnerite, var: Mesitine Spar] Strasser (1989)
Pöham ⓘ Buchberg mine	[var: Mesitine Spar] Natural History Museum Vienna collection +1 other reference
Fritzbach valley ⓘ Kreuzbergmaut	[var: Breunnerite] Strasser (1989)
ⓘ Raidlgraben	[var: Breunnerite] Strasser (1989)
Flachau ⓘ Thurnberg	[var: Breunnerite] Strasser (1989)
Hüttau ⓘ Eulersberg	Strasser (1989)
ⓘ Gielach (Giellach)	[var: Breunnerite, var: Mesitine Spar] Strasser (1989)
ⓘ Igelsbach	[var: Breunnerite, var: Mesitine Spar] Strasser (1989)
ⓘ Larzenbachgraben (Larzenbach)	[var: Breunnerite, var: Mesitine Spar] Mrazek (1992)
Mühlbach am Hochkönig ⓘ Anna adit	[var: Breunnerite, var: Mesitine Spar] Strasser (1989)
St. Johann im Pongau Palfnerkogel ⓘ Birkstein mines (Bürgstein mines)	[var: Mesitine Spar] Strasser (1989)
ⓘ Forestry road cut	[var: Mesitine Spar] Strasser (1989)
Werfen ⓘ Färbergraben	[var: Breunnerite] Strasser (1989)
ⓘ Höllgraben	[var: Breunnerite, var: Mesitine Spar] Strasser (1989)
Reitsam ⓘ Hölln mine	[var: Breunnerite, var: Mesitine Spar] Strasser (1989)
Tamsweg District Muhr Rotgülden Lower Rotgülden lake ⓘ Arsenic mine	[var: Mesitine Spar] Paar et al. (1993)
Schellgaden ⓘ Gestell quarry (Ofen quarry)	[var: Breunnerite] Köchel (Ritter von)
ⓘ Talc mine	[var: Breunnerite] Strasser (1989)
Sankt Michael im Lungau Fell ⓘ Fellergraben	[var: Mesitine Spar] Strasser (1989)
Zell am See District Bramberg am Wildkogel Nasenkopf mountain Leckbachgraben ⓘ Söllgraben	[var: Breunnerite] Strasser (1989)
Dienten am Hochkönig ⓘ Kollmannsegg	[var: Mesitine Spar] Strasser (1989)
ⓘ Sommerhalt	[var: Mesitine Spar] Strasser (1989)
Fusch an der Grossglocknerstrasse ⓘ Brennkogel south slope	[var: Mesitine Spar]
Leogang Hütten Schwarzleograben ⓘ Nöckelberg mining district	[var: Breunnerite] Strasser (1989)
Schwarzleo mining district ⓘ Erasmus adit	[var: Breunnerite, var: Mesitine Spar] Strasser (1989)
Vogel Alp ⓘ Vogelhalt mining district	[var: Breunnerite] Strasser (1989)
Mittersill Großbruck farm ⓘ Talc mine	[var: Breunnerite] Strasser (1989)
Niedernsill ⓘ Schaunberg Alp	[var: Breunnerite] Strasser (1989)
Uttendorf ⓘ Ödenwinkel glacier	[var: Breunnerite] Strasser (1989)
ⓘ Totenkopf (incl. Lower Riffl glacier)	[var: Breunnerite] Strasser (1989)
Styria Graz-Umgebung District Frohnleiten ⓘ Rabenstein	[var: Breunnerite] Tornquist (1927)
Leoben District Eisenerz ⓘ Styrian Erzberg	Lapis 8 (4)
Weiz District Passail ⓘ Haufenreith	[var: Breunnerite] Seewann (1929)
Tyrol Innsbruck-Land District Absam Hall valley ⓘ Salt mine	[var: Breunnerite] Spötl (1989)
Kitzbühel District Oberndorf in Tirol ⓘ Röhrerbühel (Rohrer Berg; Röhrerbichel; Röhrerbichl; Röhrerbüchel; Rerobichl)	[var: Mesitine Spar] Vohryzka (1968)
Reith bei Kitzbühel ⓘ Fuggerbau	[var: Mesitine Spar] Vohryzka (1968)
Landeck District Grins ⓘ Lattenbach valley	[var: Mesitine Spar] Exel (1982)
Landeck Thialkopf - Gatschkopf area ⓘ Thialkopf (Thialspitze; Dialkopf; "Schwarzwald")	[var: Breunnerite, var: Mesitine Spar] Exel (1982)
Serfaus Komperdell (Komperdell Alp) ⓘ Rotenstein	[var: Breunnerite, var: Mesitine Spar] Vohryzka (1968)
Tobadill ⓘ Flath Alp	[var: Breunnerite, var: Mesitine Spar] Exel (1982)
Schwaz District Finkenberg ⓘ Großer Greiner	[var: Breunnerite] Cathrein (1887) +1 other reference
ⓘ Pfitsch pass	[var: Breunnerite] Exel (1993)
ⓘ Lavitz Alp	[var: Breunnerite] Exel (1993)
ⓘ Rotbachlspitze (Rote Wand)	[var: Breunnerite] Exel (1993)
Fügenberg ⓘ Ulpen Cu deposit (Ulpen Alp; Kaunz Alp; Hochleger; Keller pass; Öxel valley)	[var: Breunnerite] Vohryzka (1968) +1 other reference
Upper Austria Kirchdorf an der Krems District ⓘ Rosenau am Hengstpaß	[var: Breunnerite] Coll. G. Brandstetter

Brazil
Minas Gerais Araxá ⓘ Barreiro	[var: Breunnerite] Traversa et al. (2001) +2 other references
ⓘ Araxá complex	[var: Breunnerite] Traversa et al. (2001)
Raposos ⓘ Raposos mine	[var: Breunnerite] Lobato et al. (2001)

Canada
Nunavut Qikiqtaaluk Region Ungava bay Abloviak fjord ⓘ Torngat dikes	[var: Breunnerite] Tappe et al. (2004)
Ontario Cochrane District Timmins Macklem Township ⓘ ASARCO Aquarius Mine	[var: Breunnerite] Mielke (n.d.)
Québec Outaouais La Vallée-de-la-Gatineau RCM Gracefield ⓘ Maniwaki-Gracefield district	[var: Breunnerite] Econ Geol (1986)
Yukon Dawson mining district ⓘ Big Fish River	[var: Breunnerite] Pavel M. Kartashov analytical data of ...

China
Shaanxi Hanzhong Ningqiang County ⓘ Taiyangping Au deposit	Xiuqin Zhang et al. (2003)
ⓘ Xinjiazui Au deposit	Liu et al. (2025)

Czech Republic
Olomouc Region Šumperk District Sobotín ⓘ Smrčina (Storchberg)	Novotný

Egypt
Giza Governorate ⓘ Bahariya Oasis (Baharia Oasis)	[var: Breunnerite] Tosson et al. (1974)
South Sinai Governorate ⓘ Tarr Complex	[var: Breunnerite] Shimron (1975) +2 other references
ⓘ Wadi Tarr	[var: Breunnerite] Bogoch et al. (1982) +1 other reference

Ethiopia
Benishangul-Gumuz Region Asosa Zone ⓘ Tumet river	Pavel M. Kartashov (n.d.)

Finland
North Karelia Polvijärvi ⓘ Horsmanaho talc quarry

France
Auvergne-Rhône-Alpes Haute-Loire Brioude Azérat ⓘ Allevier	Leblanc et al. (1987)
Saint-Cirgues ⓘ Les Rochers de Lisoul	Leblanc et al. (1987)
Torsiac Lanau ⓘ Listvenite outcrop	Leblanc et al. (1987)
Puy-de-Dôme Issoire Champagnat-le-Jeune ⓘ Le-Saut-du-Loup	Leblanc et al. (1987)
Grand Est Bas-Rhin Sélestat-Erstein Urbeis ⓘ Sylvester Mine	[var: Mesitine Spar] Lacroix Minéralogie de la France +1 other reference
New Caledonia Southern Province Thio ⓘ Koum Au deposit	[var: Breunnerite] Maurizot et al. (2020)
Occitanie Pyrénées-Orientales Céret Llauro ⓘ Pla del Mener	[var: Mesitine Spar] Berbain et al. (2005)
Tarn-et-Garonne Montauban Orgueil ⓘ Orgueil meteorite	[var: Breunnerite] Nagy et al. (1964) +2 other references
Provence-Alpes-Côte d'Azur Hautes-Alpes Briançon La Grave ⓘ Trois Evêchés peak	[var: Mesitine Spar] Yves Masson specimen.

Germany
Saxony Mittelsachsen ⓘ Freiberg	[var: Mesitine Spar] - (1986)

India
Jharkhand Dhanbad District Jharia Coalfield ⓘ Borehole 1	[var: Breunnerite] Rock et al. (1992)
Rajasthan Baran district ⓘ Tonk meteorite	[var: Breunnerite] Magnus Endress et al. (1994)

Italy
Sardinia Metropolitan City of Cagliari Assemini ⓘ San Leone iron mine	[var: Mesitine Spar] Nunes (n.d.)
ⓘ Sarrabus	[var: Mesitine Spar] De Michele (1974)
Trentino-Alto Adige/Südtirol South Tyrol Puster Valley District Ahrntal (Valle Aurina) Steinhaus (Cadipietra) ⓘ Hollenzbach (Rio di Landro)	[var: Breunnerite] Exel (1987)
ⓘ Rio di Valle (Wollbach)	[var: Breunnerite] Exel (1987)
Wipptal (Alta Vall'Isarco) Brenner (Brennero) Colle Isarco (Gossensaß) ⓘ Fleres Valley (Pflersch Valley)	[var: Breunnerite] van Houten (1930)
Pfitsch (Val di Vizze) ⓘ Burgum Alp	[var: Breunnerite] Gartner et al. (2002)
Trento Province Roncegno Terme ⓘ Cinquevalli Mine	[var: Mesitine Spar] De Michele (1974)

Mongolia
Khovd Province Myangad District Khaldzan Buragtag massif ⓘ Tsakhirin Khuduk Y-Zr-Nb deposit	[var: Breunnerite] Kovalenko et al. (2004)

Nepal
P3 Bagmati Pradesh Dolakha District Bhimeshwor ⓘ Kharidhunga Mine	USGS Minerals Yearbook 1995 - Nepal.

New Zealand
West Coast Region Buller District ⓘ Reefton	Christie et al. (2003)
ⓘ Blackwater Mine (Prohibition mine)	Terry Leach and Gold in New Zealand – ... +1 other reference
ⓘ Reefton Mine (Globe-Progress Mine)	Christie et al. (2003)

Norway
Innlandet Sel ⓘ Tolstadåsen Quarry ?	[var: Breunnerite] Selbekk et al. (1995)
Vågå Lalm ⓘ Bårstad Quarry	[var: Breunnerite] Selbekk et al. (1995)
Vestland Tysnes Tysnesøya ⓘ Tysnes Island meteorite	[var: Breunnerite] Briani et al. (2012)

Poland
Lower Silesian Voivodeship Dzierżoniów County Gmina Łagiewniki ⓘ Mount Czernica	[var: Breunnerite] Lis et al. (1986)

Portugal
Bragança Bragança Gondesende ⓘ Sete Fontes Mine	[var: Breunnerite] Dep Ciencias Terra FCT Universidade ...

Republic of the Congo
Sangha Department ⓘ Nabeba Iron Deposit	Ebotehouna et al. (2019)

Russia
Buryatia Yeravninsky District Ozernoe ore cluster ⓘ North Gurvunur deposit	[var: Breunnerite] Ripp et al. (2017)
Chelyabinsk Oblast Chebarkulsky District ⓘ Krasnaya Polyana quarry	[var: Breunnerite] Kolesnichenko
Irkutsk Oblast Bodaybinsky District Bodaibo Lena Gold District Kropotkinsky ore cluster ⓘ Sukhoi Log deposit	[var: Breunnerite] Rusinov et al. (2008)
Magadan Oblast Omchak gold field ⓘ Natalka Au deposit	[var: Breunnerite] Goryachev et al. (2008)
Omsukchansky District Engteri ore cluster ⓘ Engteri deposit	[var: Mesitine Spar] Obushkov et al. (2010)
ⓘ Julietta deposit	[var: Mesitine Spar] Strujkov et al. (1996)
ⓘ Republic of Karelia
Sayan Mountains Il’chir ophiolite belt ⓘ Ospa–Kitoi massif (Ospin–Kitoi massif)	[var: Breunnerite] Grigor’eva et al. (2018)
Sverdlovsk Oblast Yekaterinburg Shabry village ⓘ Grigorievskoe serpentine deposit	[var: Breunnerite] Mishainik
ⓘ Shabry Quarry (Shabrovsk Quarry)	[var: Breunnerite] Pavel M. Kartashov (n.d.)
Tuva Tes-Khemsky District ⓘ Agardag ultramafic massif	[var: Breunnerite] Palyanova et al. (2018)

Slovakia
Banská Bystrica Region Banská Bystrica District Ľubietová ⓘ Svätodušná deposit	Kodě +2 other references
ⓘ Banská Štiavnica District	[var: Breunnerite] Ďuďa R. et al. (1993)
Brezno District Čierny Balog ⓘ Jergov	[var: Breunnerite] Grecula (1995)
Lučenec District Podrečany ⓘ Magnesite deposit	[var: Breunnerite] Koděra et al. (1986)
Poltár District Breznička ⓘ Breznička asbestos deposit	[var: Breunnerite] Koděra et al. (1986)
Revúca District Jelšava ⓘ Dúbrava magnesite deposit	[var: Breunnerite] Koděra et al. (1986)
ⓘ Lubeník	[var: Breunnerite] Koděra et al. (1986)
Rimavská Sobota District ⓘ Klenovec	[var: Breunnerite] Koděra et al. (1986)
Rovné ⓘ Burda magnesite deposit	[var: Breunnerite] Koděra et al. (1986)
Košice Region Gelnica District ⓘ Mníšek nad Hnilcom	[var: Breunnerite] Koděra et al. (1986)
Nálepkovo ⓘ Čiernohorské kúpele	[var: Breunnerite] Koděra et al. (1986)
Prakovce ⓘ Prakovce Fe-Cu mining district	[var: Breunnerite] Koděra et al. (1986)
Košice-okolie District ⓘ Košická Belá	[var: Breunnerite] Koděra et al. (1986)
Košice Košice I ⓘ Bankov magnesite deposit	[var: Breunnerite] Koděra et al. (1986)
Rožňava District Dobšiná ⓘ Dobšiná mining district	[var: Breunnerite] Juraj Majzlan et al. (2021)
ⓘ Gemerská Poloma	[var: Breunnerite] Koděra et al. (1986)
Kobeliarovo ⓘ Kobeliarovo iron deposit	[var: Breunnerite] Koděra et al. (1986)
ⓘ Nižná Slaná	[var: Breunnerite] Koděra et al. (1986)
Spišská Nová Ves District Hnilec ⓘ Medvedí potok Sn deposit	[var: Breunnerite] Koděra et al. (1986)
Mlynky ⓘ Biele Vody Fe-Cu deposit	[var: Breunnerite] Koděra et al. (1986)
ⓘ Mlynky Fe-Cu deposit	[var: Breunnerite] Koděra et al. (1986)
ⓘ Rudňany	Ďuda et al. (1996)
ⓘ Slovinky	Koděra et al. (1986)
ⓘ Smižany	[var: Breunnerite] Koděra et al. (1986)

South Korea
North Gyeongsang Province Gyeongsan City Amnyang-myon ⓘ Hokoku Mine	[var: Breunnerite] Hideo Tsuda (1969)

Spain
Catalonia Barcelona Vallès Occidental Montcada i Reixac ⓘ Montcada Hill Quarry	[var: Breunnerite] Rosell et al. (2006)

Sweden
Jämtland County Strömsund ⓘ Lejarklumpen
Norrbotten County Jokkmokk ⓘ Sähkok-Ruopsok	[var: Breunnerite] Durietz. T (1935)

Switzerland
Valais Goms ⓘ Ernen	[var: Breunnerite] Kipfer (1974)
ⓘ Mühlebach	[var: Breunnerite, var: Mesitine Spar] Parker et al. (1973)
Obergoms Oberwald Gere (Geren) ⓘ Gere Valley (Geren Valley)	Stalder et al. (1998)

Tanzania
Songwe Region ⓘ Ivuna meteorite	[var: Breunnerite] Endress et al. (1993)

Ukraine
Kirovohrad Oblast Central Ukrainian Uranium Province ⓘ Zhovta Richka deposit	[var: Breunnerite] Cuney et al. (2012)

USA
Alabama Colbert County ⓘ Leighton meteorite	[var: Breunnerite] Briani et al. (2012)
Arkansas Polk County ⓘ Shady
California San Benito County Goat Mountain ⓘ Clear Creek claim	Erd et al. (1993)
San Bernardino County Wrightwood ⓘ Heath Canyon flood control channel	Cannon Microprobe Services
Colorado Clear Creek County Georgetown District ⓘ Colorado Central mine	[var: Mesitine Spar] Professional Paper 63: 253. +1 other reference
ⓘ Gabanta	Eckel et al. (1997)
Connecticut Tolland County Willington ⓘ Becker Quarry	Ague (1995)
Georgia Cherokee County ⓘ Holly Springs	[var: Breunnerite] King (n.d.)
ⓘ Verde Antique Quarry	[var: Breunnerite] King (n.d.)
Maryland Harford County Cardiff ⓘ Maryland Green Marble Corporation Quarry (Cardiff Serpentine Quarry)	[var: Breunnerite] Ostrander et al. (1940) +1 other reference
Massachusetts Berkshire County ⓘ Windsor	Gleba (2008)
Hampden County Chester ⓘ Chester Emery Mines	Ken Gliesman
North Carolina Burke County ⓘ Morganton	[var: Breunnerite] Genth et al. (1881)
ⓘ Madison County	[var: Breunnerite] Bentzen et al. (1973)
ⓘ Surry County	[var: Breunnerite] Genth et al. (1881)
Pennsylvania Lancaster County Little Britain Township ⓘ Geiger Quarry	Rocks & Min.: 20:530.
Montgomery County Lower Merion Township Gladwyne ⓘ Gladwyne Quarries	[var: Breunnerite] Sloto (2019)
Philadelphia County Lafayette Station ⓘ Prince's Soapstone Quarry	[var: Breunnerite] Samuel S. Gordon +1 other reference
Texas Hale County ⓘ Plainview (1917) meteorite	[var: Breunnerite] Briani et al. (2012)
Vermont Windham County Windham ⓘ Hamm Mine	Rocks & Min. Vol. 71 (1996)
Windsor County ⓘ Ludlow	mass spec. analysis - Harvard University
Washington Stevens County Springdale Mining District ⓘ Cleveland Mine	Derkey et al. (1990, November)

162173 Ryugu	[var: Breunnerite]


Outer Space
Main Belt Asteroids ⓘ Bennu	[var: Breunnerite] Lauretta et al. (2024)

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