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Sternbergite

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Formula:
AgFe
 
2
S
 
3
System:OrthorhombicColour:Golden brown, tarnishes ...
Hardness:1 - 1½
Name:
Named after Count Caspar Maria Sternberg (1761-1838), botanist and a founder of the National Museum of Prague (Czech Republic).
Dimorph of:Argentopyrite


May be confused with argentopyrite or other visually similar silver minerals.

Classification of Sternbergite

IMA status:Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"
Strunz 8th edition ID:2/C.14-30
Nickel-Strunz 10th (pending) edition ID:2.CB.65

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
C : Metal Sulfides, M: S = 1: 1 (and similar)
B : With Zn, Fe, Cu, Ag, etc.
Dana 8th edition ID:2.9.12.1

2 : SULFIDES
9 : AmBnXp, with (m+n):p = 1:1
Hey's CIM Ref.:3.2.16

3 : Sulphides, Selenides, Tellurides, Arsenides and Bismuthides (except the arsenides, antimonides and bismuthides of Cu, Ag and Au, which are included in Section 1)
2 : Sulphides etc. of Ag
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Type Occurrence of Sternbergite

Type Locality:Jáchymov (St Joachimsthal), Jáchymov District (St Joachimsthal), Krušné Hory Mts (Erzgebirge), Karlovy Vary Region, Bohemia (Böhmen; Boehmen), Czech Republic
Year of Discovery:1827

Occurrences of Sternbergite

Geological Setting:Hydrothermal veins, Co-Ni-Ag assemblage

Physical Properties of Sternbergite

Lustre:Metallic
Diaphaneity (Transparency):Opaque
Colour:Golden brown, tarnishes violet-blue
Streak:Black
Hardness (Mohs):1 - 1½
Hardness (Vickers):VHN50=31 - 44 kg/mm2
Tenacity:Flexible
Cleavage:Perfect
on {001}
Density (measured):4.101 - 4.215 g/cm3
Density (calculated):4.275 g/cm3

Crystallography of Sternbergite

Crystal System:Orthorhombic
Class (H-M):mmm (2/m 2/m 2/m) - Dipyramidal
Cell Parameters:a = 6.615(2) Å, b = 11.639(4) Å, c = 12.693(4) Å
Ratio:a:b:c = 0.568 : 1 : 1.091
Unit Cell Volume:V 977.26 ų (Calculated from Unit Cell)
Z:8
Morphology:Thin pseudohexagonal basal plates, rosettes and fan like aggregates
Twinning:Lamellar on {130}
Crystal Atlas:
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Sternbergite - Tabular {001}
Sternbergite - Contact twin on {130}

About Crystal Atlas

The mindat.org Crystal Atlas allows you to view a selection of crystal drawings of real and idealised crystal forms for this mineral and, in certain cases, 3d rotating crystal objects. The 3d models and HTML5 code are kindly provided by www.smorf.nl.

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Optical Data of Sternbergite

Type:Anisotropic
Anisotropism:Strong, bluish and reddish to lilac, reddish brown to light green with p-urplish pink shades
Colour in reflected light:Light brown
Pleochroism:Visible
Comments:In browns

Chemical Properties of Sternbergite

Formula:
AgFe
 
2
S
 
3
Simplified for copy/paste:AgFe2S3
Essential elements:Ag, Fe, S
All elements listed in formula:Ag, Fe, S

Relationship of Sternbergite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
2.CB.05aColoradoite
HgTe
2.CB.05aHawleyite
CdS
2.CB.05aMetacinnabar
HgS
2.CB.05cPolhemusite
(Zn,Hg)S
2.CB.05bSakuraiite
(Cu,Zn,Fe,In,Sn)S
2.CB.05aSphalerite
ZnS
2.CB.05aStilleite
ZnSe
2.CB.05aTiemannite
HgSe
2.CB.05UM1998-15-S:CuFeZn
Cu
 
2
Fe
 
3
Zn
 
5
S
 
10
2.CB.05aRudashevskyite
(Fe,Zn)S
2.CB.10aChalcopyrite
CuFeS
 
2
2.CB.10aEskebornite
CuFeSe
 
2
2.CB.10aGallite
CuGaS
 
2
2.CB.10bHaycockite
Cu
 
4
Fe
 
5
S
 
8
2.CB.10aLenaite
AgFeS
 
2
2.CB.10bMooihoekite
Cu
 
9
Fe
 
9
S
 
16
2.CB.10bPutoranite
Cu
 
9
(Fe,Ni)
 
9
S
 
16
2.CB.10aRoquesite
CuInS
 
2
2.CB.10bTalnakhite
Cu
 
9
(Fe,Ni)
 
8
S
 
16
2.CB.10aLaforêtite
AgInS
 
2
2.CB.15aČernýite
Cu
 
2
(Cd,Zn,Fe)SnS
 
4
2.CB.15aFerrokesterite
Cu
 
2
(Fe,Zn)SnS
 
4
2.CB.15aHocartite
Ag
 
2
(Fe
2+
 
,Zn)SnS
 
4
2.CB.15aIdaite
Cu
 
5
FeS
 
6
2.CB.15aKesterite
Cu
 
2
(Zn,Fe)SnS
 
4
2.CB.15aKuramite
Cu
 
3
SnS
 
4
2.CB.15bMohite
Cu
 
2
SnS
 
3
2.CB.15aPirquitasite
Ag
 
2
ZnSnS
 
4
2.CB.15aStannite
Cu
 
2
(Fe,Zn)SnS
 
4
2.CB.15cStannoidite
Cu
+
6
Cu
2+
2
(Fe
2+
 
,Zn)
 
3
Sn
 
2
S
 
12
2.CB.15aVelikite
Cu
 
2
HgSnS
 
4
2.CB.15cUM2006-11-S:CuFeGeZn
Cu
 
8
(Fe,Zn)
 
3
Ge
 
2
S
 
12
(?)
2.CB.20Chatkalite
Cu
 
6
FeSn
 
2
S
 
8
2.CB.20Mawsonite
Cu
 
6
Fe
 
2
SnS
 
8
2.CB.30Colusite
Cu
 
26
V
 
2
(As,Sn,Sb)
 
6
S
 
32
2.CB.30Germanite
Cu
 
13
Fe
 
2
Ge
 
2
S
 
16
2.CB.30Germanocolusite
Cu
 
26
V
 
2
(Ge,As)
 
6
S
 
32
2.CB.30Nekrasovite
Cu
 
26
V
 
2
(Sn,As,Sb)
 
6
S
 
32
2.CB.30Stibiocolusite
Cu
 
13
V
 
4
(Sb,Sn,As)
 
3
S
 
16
2.CB.30Ovamboite
Cu
 
20
(Fe,Cu,Zn)
 
6
W
 
2
Ge
 
6
S
 
32
2.CB.30Maikainite
Cu
 
20
(Fe,Cu)
 
6
Mo
 
2
Ge
 
6
S
 
32
2.CB.35aHemusite
Cu
 
6
SnMoS
 
8
2.CB.35aKiddcreekite
Cu
 
6
SnWS
 
8
2.CB.35aPolkovicite
(Fe,Pb)
 
3
(Ge,Fe)
 
1-x
S
 
4
2.CB.35aRenierite
(Cu,Zn)
 
11
(Ge,As)
 
2
Fe
 
4
S
 
16
2.CB.35aVinciennite
Cu
+
7
Cu
2+
3
Fe
2+
2
Fe
3+
2
Sn(As,Sb)S
 
16
2.CB.35aMorozeviczite
(Pb,Fe)
 
3
Ge
 
1-x
S
 
4
2.CB.35bCatamarcaite
Cu
 
6
GeWS
 
8
2.CB.40Lautite
CuAsS
2.CB.45Cadmoselite
CdSe
2.CB.45Greenockite
CdS
2.CB.45Wurtzite
(Zn,Fe)S
2.CB.45Rambergite
MnS
2.CB.45Buseckite
(Fe,Zn,Mn)S
2.CB.55aCubanite
CuFe
 
2
S
 
3
2.CB.55bIsocubanite
CuFe
 
2
S
 
3
2.CB.60Picotpaulite
TlFe
 
2
S
 
3
2.CB.60Raguinite
TlFeS
 
2
2.CB.65Argentopyrite
AgFe
 
2
S
 
3
2.CB.70Sulvanite
Cu
 
3
VS
 
4
2.CB.75Vulcanite
CuTe
2.CB.80Empressite
AgTe
2.CB.85Muthmannite
AuAgTe
 
2
Related Minerals - Hey's Index Grouping:

- +
3.2.1Acanthite
Ag
 
2
S
3.2.3Naumannite
Ag
 
2
Se
3.2.4Aguilarite
Ag
 
4
SeS
3.2.5Hessite
Ag
 
2
Te
3.2.6Empressite
AgTe
3.2.7Stützite
Ag
 
5-x
Te
 
3
, x = 0.24-0.36
3.2.8Cervelleite
Ag
 
4
TeS
3.2.9Dervillite
Ag
 
2
AsS
 
2
3.2.10Stromeyerite
AgCuS
3.2.11Mckinstryite
Ag
 
5-x
Cu
 
3+x
S
 
4
3.2.12Jalpaite
Ag
 
3
CuS
 
2
3.2.13Eucairite
AgCuSe
3.2.14Cameronite
AgCu
 
7
Te
 
10
3.2.15Henryite
Ag
 
3
Cu
 
4
Te
 
4
3.2.17Argentopyrite
AgFe
 
2
S
 
3
3.2.18Geffroyite
(Cu,Fe,Ag)
 
9
(Se,S)
 
8
3.2.19Argentopentlandite
Ag(Fe,Ni)
 
8
S
 
8

Other Names for Sternbergite

Synonyms:
Argyropyrrhotite
Other Languages:
French:Argent sulfuré flexible
German:Argyropyrrhotit
Sternbergit
Norwegian (Bokmål):Sølvkis
Russian:Штернбергит
Simplified Chinese:硫银铁矿
Spanish:Argyropyrrhotita
Sternbergita

Other Information

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

References for Sternbergite

Reference List:

- +
Haidinger (1827), Edinburgh Journal of Science: 7: 242.

Haidinger (1828), Royal Society of Edinburgh, Transactions: 11: 1.

Palache, Charles, Harry Berman & Clifford Frondel (1944), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana Yale University 1837-1892, Volume I: Elements, Sulfides, Sulfosalts, Oxides. John Wiley and Sons, Inc., New York. 7th edition, revised and enlarged, 834pp.: 246-248.

American Mineralogist (1969): 54: 1198.

Neues Jahrbuch für Mineralogie, Abhandlungen (1986): 154: 207-222.

Neues Jahrbuch für Mineralogie, Monatshefte (1987): 458-464.

Internet Links for Sternbergite

Search Engines:
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  • Look for Sternbergite on Athena Mineralogy
  • Look for Sternbergite on Mineralien Atlas
  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Sternbergite details from Handbook of Mineralogy (PDF)
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  • Localities for Sternbergite

    The 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.
    (TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
    Australia
     
    • Queensland
      • Mount Isa - Cloncurry area
        • Cloncurry district
          • Kuridala
    Alan Melbournes collection
    Austria
     
    • Carinthia
      • Hohe Tauern
        • Reißeck group
          • Kolbnitz
    Pichler (2009)
    Canada
     
    • British Columbia
      • Greenwood Mining Division
        • Beaverdell
    [MinRec 1989]
    • Nunavut Territory
      • Mackenzie District
        • Itchen Lake
    Canadian Mineralogist (1984) 22, 493-498
    China
     
    • Guangdong Province
      • Zhanjiang Prefecture
        • Lianjiang Co.
    Zuwei Wang and Yongzhang Zhou (2002): Geotectonica et Metallogenia 26(2), 193-197
    • Inner Mongolia Autonomous Region
      • Hulunbuir League (Hulunbei'er Prefecture)
        • New Barag Right Banner (Xin Barag Youqi)
    Dong Zhensheng et al. (1996). In: Tu Guangzhi, Ed.: Low Temperature Geochemistry, Science Press (Beijing), 32-42.
    • Jiangxi Province
      • Shangrao Prefecture
        • Wannian Co.
    Dong Zhensheng et al. (1996). In: Tu Guangzhi, Ed.: Low Temperature Geochemistry, Science Press (Beijing), 32-42.
    • Liaoning Province (Manchuria; Dongbei Region)
      • Liaodong Peninsula
        • Yingkou Prefecture
          • Gaizhou Co.
    Qinghua Xu, Yanlong Wang, Haiquan Zhao, and Yulan Qiao (2014): Northwestern Geology 47(2), 164-171
    • Shanxi Province
      • Datong Prefecture
        • Lingqiu Co.
    Qingrong Zheng, Xinjun Zhang, and Erhu Sun (2012): Resources & Industries 14(2), 106-111
    Jin Chen and Yuelin Tang (1993): Geology and Prospecting 29(11), 16-22, 28; Shaozhi Zhou (1999): Geology and Prospecting 35(3), 6-8, 23; Shuchen Li and Lixia Zhou (2008): Geology and Prospecting 44(3), 18-21
    Czech Republic
     
    • Bohemia (Böhmen; Boehmen)
      • Karlovy Vary Region
        • Krušné Hory Mts (Erzgebirge)
          • Jáchymov District (St Joachimsthal)
    Am Min 54 (1969), 1198
      • Ústí Region
        • Krušné Hory Mts (Erzgebirge)
          • Dubí (Eichwald)
    No reference listed
          • Klášterec nad Ohří
    No reference listed
    - Hyrsl, J. & Korbel, P. (2009): Tschechien & Slowakei, Mineralien und Fundstellen. Page 60-75.
    Finland
     
    • Western and Inner Finland Region
      • Ylöjärvi
    Clark Alan H. & Taylor, L. A. 1970. Sternbergite from Ylöjärvi, Finland. Occurrence and stability. Economic Geology 65 (1), 54-59
    France
     
    • Brittany
      • Finistère
        • Châteauneuf-du-Faou
    http://www.micromineral.org/collec_ENSMP/ensmp-oct2003/Rech_france_oct2003.pdf
    • Lorraine
      • Vosges
        • La-Croix-aux-Mines District
          • La-Croix-aux-Mines
    J.-L. Hohl: "Minéraux et Mines du Massif Vosgien", Editions du Rhin (Mulhouse), 1994
    Germany
     
    • Baden-Württemberg
      • Black Forest
        • Wieden
    K. Walenta: "Die Mineralien des Schwarzwaldes", Weise (Munich), 1992
    • Bavaria
      • Upper Palatinate
        • Waidhaus
          • Hagendorf
    http://www.berthold-weber.de/h_miner.htm
    • Hesse
      • Odenwald
        • Mühltal
          • Nieder-Beerbach
    • Lower Saxony
      • Harz
        • St Andreasberg District
    No reference listed
    • North Rhine-Westphalia
      • Sauerland
        • Meschede
    Wittern: "Mineralfundorte in Deutschland", 2001
    • Saxony
      • Erzgebirge
    Naumann, Zirkel: "Elemente der Mineralogie", 10th Ed., Leipzig (1898)
        • Johanngeorgenstadt District
    Wittern: "Mineralfundorte in Deutschland", 2001
        • Marienberg District
          • Gehringswalde
    Ramdohr, Paul, 1969, The Ore Minerals and their Intergrowths, Pergamon Press, p. 371.
          • Lauta
    Wittern: "Mineralfundorte in Deutschland", 2001
        • Niederschlag-Bärenstein District
          • Bärenstein
    Baumann, L., Kuschka, E. and Seifert, T. (2000): Lagerstätten des Erzgebirges. Enke Verlag, Stuttgart, pp. 170-176
        • Schneeberg District
          • Neustädtel
    Lapis 30(7/8):41-70 (2005)
    Lapis 30(7/8):41-70 (2005)
        • Schwarzenberg District
          • Pöhla
    Wittern: "Mineralfundorte in Deutschland", 2001
    Hungary
     
    • Pest Co.
      • Börzsöny Mtns
        • Márianosztra
    Szakáll & Jánosi. Minerals of Hungary, 1995
    Japan
     
    • Honshu Island
      • Tohoku Region
        • Aomori Prefecture
    Dr. Matsuo Nambu collection (curated at Geological Survey of Japan)
    • Kyushu Region
      • Kagoshima Prefecture
        • Suzuyama District
    Matsukuma, T. (1962) Journal of the Mining College, Akita University, Ser. A, 2, #2, 20-59.
      • Miyazaki Prefecture
        • Tohgoh-cho
    T. Matsukuma (1958)
    Mexico
     
    • Hidalgo
      • Mun. de Pachuca
    Panczner(1987): 360.
    • Mexico
      • Mun. de Temascaltepec
        • Temascaltepec de González (Temascaltepec)
    Camprubi, A., Canals, A., Cardellach, E., Prol-Ledesma, R.M., Rivera, R., 2001, The La Guitarra Ag-Au low-sulfidation epithermal deposit, Temascaltepec district, Mexico: vein structure, mineralogy, and sulfide-sulfosalt chemistry. Society of Economic Geologists Special Publication, v. 8, p. 133-158.
    Morocco
     
    • Souss-Massa-Draâ Region
      • Ouarzazate Province
        • Djebel Saghro (Jbel Saghro)
          • Imiter District
    Barral, J.-P., Favreau, G. and Lheur, C. (2008). La mine d'argent d'Imiter (Maroc) - Géologie, histoire exploitation et description des espèces minérales. Le Cahier des Micromonteurs 3/2008, 1-110. (in French)
      • Taroudannt Province
        • Jebel Siroua
    Petruk, W. (1975). Mineralogy and geology of the Zgounder silver deposit in Morocco. The Canadian Mineralogist, 13(1), 43-54.
    Norway
     
    • Buskerud
      • Kongsberg
    Johnsen, O. (1986): Famous mineral localities: The Kongsberg silver Mines Norway. Mineralogical Record, 17: 19-35
          • Overberget Mining Field
    Brünnich, M. L. (1777): Forsøg til Mineralogie for Norge. Priskrift, Trondhjem, p. 22; Neumann, H. (1985): Norges Mineraler. Norges geologiske Undersøkelse Skrifter 68, p 23
    Brünnich, M. L. (1777): Forsøg til Mineralogie for Norge. Priskrift, Trondhjem, p. 22; Neumann, H. (1985): Norges Mineraler. Norges geologiske Undersøkelse Skrifter 68, p. 23
          • Underberget Mining Field
    Cronstedt, A.F.(1758): Försök til en Mineralogie, eller Mineralrikets Uppstälning. Stockholm 1758; Neumann, H. (1985): Norges Mineraler. Norges geologiske Undersøkelse Skrifter 68 p. 23).
    • Nordland
      • Hemnes
        • Bleikvassli
    Cook, N.J., Spry, P.G., and Vokes, F.M. (1998): Mineralogy and textural relationships among sulphosalts and related minerals in the Bleikvassli Zn-Pb-(Cu) deposit, Nordland, Norway. Mineralium Deposita 34, 35-56
    Peru
     
    • Cajamarca Department
      • Celendín Province
        • Lucmapampa
    Singer, D.A., Berger, V.I., and Moring, B.C. (2008): US Geological Survey Open-File Report 2008-1155.
    Romania
     
    • Maramureș Co.
      • Baia Mare (Nagybánya)
        • Chiuzbaia (Kisbánya)
    Papp, Gábor, Alan J. Criddle, Chris J. Stanley, László Kriston and Géza Nagy (2007): Parajamesonite revisited: background of the discreditation of an enigmatic mineral species. Swiss Journal of Geosciences, 100, 495-502.
    Russia
     
    • Far-Eastern Region
      • Kamchatka Oblast'
    [Der Aufschluss 1995:4 p163-180]
    [Der Aufschluss 1995:4 p.163-180]
      • Primorskiy Kray
        • Kavalerovo Mining District
    [MinRec 32:8]
    ROGULINA, L., MAKEEVA, T., PISKUNOV, Y. G., & SVESHNIKOVA, O. (2004). Первая находка платиноидов в рудах Майского золото-серебряного месторождения (Дальнегорск, Приморье).
    Dobrovol’skaya, M.G., Genkin, A.D., Bortnikov, N.S., and Golovanova, T.I. (2008): Geology of Ore Deposits 50(1), 75-85.
    Spain
     
    • Castile-La Mancha
      • Guadalajara
    Mineralogical Record, 23 (3), 241-249
    Jordi Fabre
    Sweden
     
    • Västerbotten
      • Boliden
    No reference listed
    • Västmanland
      • Hällefors
        • Grythyttan
    Burke, E. A., & Zakrzewski, M. A. (1990). Herzenbergite and associated antimony minerals from Björkskogsnäs, Hällefors, Sweden. GFF, 112(1), 85-86.
    UK
     
    • England
      • Cumbria
        • North and Western Region (Cumberland)
          • North Pennines
            • Alston Moor District
              • South Tynedale
                • Garrigill
    Ixer, R.A. and Stanley, C.J. (1987): Proceedings of the Yorkshire Geological Society 46, 133-139.
    USA
     
    • Arizona
      • Cochise Co.
        • Dos Cabezas Mts
          • Dos Cabezas (Two Heads) District
            • Dos Cabezas
              • LeRoy Mine group
    Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 381.
    • California
      • Riverside Co.
        • Crestmore
    Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 348; [email protected]
    • Colorado
      • Clear Creek Co.
        • Georgetown District
    Minerals of Colorado (1997) E.B. Eckels
    • Nevada
      • Lander Co.
    NBMG Spec. Pub. 31 Minerals of Nevada
      • Storey Co.
    R&M 74:6 p380-390
    • New Mexico
      • Catron Co.
    Northrop, 3rd rev. ed. (1996) Minerals of New Mexico
      • Grant Co.
    Northrop, Minerals of New Mexico, 3rd Rev. Ed., 1996
      • Socorro Co.
    Minerals of New Mexico 3rd ed.
    Mineral and/or Locality  
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