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Buckhornite

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Formula:
AuPb2BiTe2S3
Colour:
Black
Lustre:
Metallic
Hardness:
Crystal System:
Orthorhombic
Name:
Named for the type locality at the Buckhorn mine, Jamestown, Colorado, USA.
The AuPbS analogue of jaszczakite. Compositionally similar to 'UM1986-39-S:AuBiPbTe'.


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Classification of BuckhorniteHide

Approved
2.HB.20b

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
H : Sulfosalts of SnS archetype
B : With Cu, Ag, Fe, Sn and Pb
2.11.11.1

2 : SULFIDES
11 : AmBnXp, with (m+n):p = 2:3

Physical Properties of BuckhorniteHide

Metallic
Colour:
Black
Streak:
Grey
Hardness:
2½ on Mohs scale

Chemical Properties of BuckhorniteHide

Formula:
AuPb2BiTe2S3
IMA Formula:
(Pb2BiS3)(AuTe2)
Common Impurities:
Cu

Crystallography of BuckhorniteHide

Crystal System:
Orthorhombic
Cell Parameters:
a = 4.09 Å, b = 12.24 Å, c = 9.32 Å
Ratio:
a:b:c = 0.334 : 1 : 0.761
Unit Cell V:
466.57 ų (Calculated from Unit Cell)

Type Occurrence of BuckhorniteHide

Synonyms of BuckhorniteHide

Other Language Names for BuckhorniteHide

German:Buckhornit
Simplified Chinese:硫碲铋铅金矿
Spanish:Buckhornita

Common AssociatesHide

Associated Minerals Based on Photo Data:
Gold2 photos of Buckhornite associated with Gold on mindat.org.
Aikinite2 photos of Buckhornite associated with Aikinite on mindat.org.
Pyrite1 photo of Buckhornite associated with Pyrite on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

2.HB.05aAikinitePbCuBiS3Orth. mmm (2/m 2/m 2/m) : Pnma
2.HB.05aFriedrichitePb5Cu5Bi7S18Orth. mm2
2.HB.05aGladitePbCuBi5S9Orth. mmm (2/m 2/m 2/m)
2.HB.05aHammaritePb2Cu2Bi4S9Orth.
2.HB.05cJaskólskiiteCuxPb2+x(Sb,Bi)2-xS5 (x ~ 0.15)Orth.
2.HB.05aKrupkaitePbCuBi3S6Orth.
2.HB.05aLindströmitePb3Cu3Bi7S15Orth. mmm (2/m 2/m 2/m)
2.HB.05bMeneghinitePb13CuSb7S24Orth. mmm (2/m 2/m 2/m)
2.HB.05aPekoitePbCuBi11(S,Se)18Orth.
2.HB.05aEmilitePb2.7Cu2.7Bi5.3S12Orth. mm2
2.HB.05UM2000-46-S:BiCuPbCu0.33Pb0.33Bi7.67S12
2.HB.05aSalzburgitePb1.6Cu1.6Bi6.4S12Orth. mm2
2.HB.05UM1990-54-Se:BiCuPbCuPb(Ni,Co)0.3Bi3Se6
2.HB.05aPaaritePb1.7Cu1.7Bi6.3S12Orth. mmm (2/m 2/m 2/m)
2.HB.10cEclarite(Cu,Fe)Pb9Bi12S28Orth. mmm (2/m 2/m 2/m) : Pnma
2.HB.10bGiessenitePb27Cu2(Bi,Sb)19S57Mon. 2/m
2.HB.10bIzoklakeitePb27(Cu,Fe,Ag)2(Sb,Bi)19S57Orth.
2.HB.10aKobellitePb22Cu4(Bi,Sb)30S69Orth. mmm (2/m 2/m 2/m) : Pnnm
2.HB.10aTintinaitePb22Cu4(Sb,Bi)30S69Orth. mmm (2/m 2/m 2/m) : Pnnm
2.HB.15BenavidesitePb4MnSb6S14Mon. 2/m : P21/b
2.HB.15JamesonitePb4FeSb6S14Mon. 2/m : P21/b
2.HB.20dBerryiteCu3Ag2Pb3Bi7S16Mon. 2/m : P21/m
2.HB.20aNagyágite[Pb3(Pb,Sb)3S6](Au,Te)3Mon. 2/m : P21/m
2.HB.20eWatkinsoniteCu2PbBi4(Se,S,Te)8Mon.
2.HB.20cMuseumite[Pb2(Pb,Sb)2S8][(Te,Au)2]Mon. 2
2.HB.20eLitochlebiteAg2PbBi4Se8Mon. 2/m : P21/m

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.

References for BuckhorniteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
New Minerals (1997) New Minerals 1990-1994.
Effenberger, H., Culetto, F.J., Topa, D., and Paar, W.H. (2000) The crystal structure of synthetic buckhornite, [Pb2BiS3][AuTe2]. Zeits. Kristallogr.: 215: 10–16.
Jambor, J.L. and Roberts, A.C. (2001) New mineral names. American Mineralogist: 86: 197-200.
Canadian Mineralogist: 30: 1039-1047.

Internet Links for BuckhorniteHide

Localities for BuckhorniteHide

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 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 (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Armenia
 
  • Kotayk' Province
    • Hrazdan
extraLapis no. 2, Gold, p. 52
Australia
 
  • Western Australia
    • Coolgardie Shire
      • Kambalda
        • St. Ives gold camp
Xue, Y., Campbell, I (2014), The Mineralogy of the Bellerophon-Nelson Telluride Bearing gold Deposit St Ives Camp, Canadian Mineralogist 52 p981-1006 2014
Bulgaria
 
  • Pazardzhik Oblast (Pazardjik Oblast)
    • Panagyurishte (Panagurishte) Obshtina
      • Levski
Bogdanov, K., Tsonev, D., Popov, K. (2004): Mineral assemblages and genesis of the Cu-Au epithermal deposits in the southern part of the Panagyurishte ore district, Bulgaria. In: Proceedings of the 10th International Congress, Thessaloniki, April 2004.; Bogdanov, K., Tsonev, D., & Popov, K. (2004). Mineral Assemblages And Genesis Of The Cu-Au Epithermal Deposits In The Southern Part Of The Panaguyrishte Ore District, Bulgaria. Bulletin of the Geological Society of Greece, 36:406-415
China
 
  • Henan Province
    • Sanmenxia Prefecture
      • Lingbao Co.
        • Qinling Mine
Wei Jian, Bernd Lehmann, Jingwen Mao, Huishou Ye, Zongyan Li, Jinge Zhang, Hai Zhang, Jiangwei Feng, and Yongzhe Ye (2014) Telluride and Bi-sulfosalt Mineralogy of the Yangzhaiyu Gold Deposit, Xiaoqinling Region, Central China. Can Mineral 52:883-898
Shuzhang Tian, Jingyu Chen, and Xiumei Li (1993): Gold Geology 5(4), 54-58; Shuzhang Tian, Jingyu Chen, and Xiumei Li (1994): Acta Mineralogica Sinica 14(3), 241-246
  • Jiangxi Province
    • Ganzhou Prefecture
      • Yudu Co.
        • Yinkeng polymetallic ore field
Mingxing Shi and Guirong Gao (2006): Resources Survey and Environment 27(2), 164-172
Czech Republic
 
  • Bohemia (Böhmen; Boehmen)
    • Central Bohemia Region
      • Jílové (Eule)
        • Jílové Gold mining District
          • Bohuliby
Lapis 2000(4), 13-30
          • Studené (Kaltengrund)
Lapis 2000(4), 13-30
Norway
 
  • Finnmark
    • Kautokeino
Cook, N.J. (1999): Telluride minerales in the Proterozoic Bidjovagge Au-Cu deposit, Finnmark, Norway and their formation conditions. Abstract volume, Gold ’99 Trondheim, Norway, 60-62.
Romania
 
  • Hunedoara Co.
    • Deva
Cook, N. J., Ciobanu, C. L., Capraru, N., Damian, G., & Cristea, P. (2005). Mineral assemblages from the vein salband at Sacarimb, Golden Quadrilateral, Romania: II. Tellurides. Geokhimiia, Mineralogiia i Petrologiia, 43, 56-63.
USA (TL)
 
  • Colorado
    • Boulder Co.
      • Jamestown District
        • Jamestown
Minerals of Colorado (1997) Eckels, E. B.
  • Montana
    • Jefferson Co.
      • Whitehall District (Cardwell District)
Spry, P.G., Foster, F., Truckle, J.S., and Chadwick, T.H. (1997): Mineralogy and Petrology 59, 143-164.; Economic Geology,(1996) Vol. 91-3, pp.507-526
Mineral and/or Locality  
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