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Unnamed (Cu-Bi Sulphide)

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Formula:
Cu4BiS4
Synonym:
A synonym of UM1975-12-S:BiCu
Stability limit is from 200-400°.

In the synthetic system Cu-Bi-S, Wang (1994) observed a metastable solid solution series Cu10Bi2S13 at 178°C, coexisting with CuS.


References for Unnamed (Cu-Bi Sulphide)

Reference List:
Abulgazina, S. D., Kuznetsova, E. I., Slyusarev, A. P. (1975): Composition and properties of two bismuth sulfo salts of copper from skarn deposits of the Sayak group. Doklady Akademii Nauk SSSR 222, 183-185 (in Russian).

Wang, N. (1994): The Cu-Bi-S system: results from low-temperature experiments. Mineralogical Magazine 58, 201-214.

Gertsen, L. E.; Pavlova, Z. N. (2005): Geochemistry and mineralogy of bismuth in ores of porphyry copper deposits in Kazakhstan. Kazakstan Respublikasy Ulttyk Gylym Akademiyasynyn Khabarlary, Geologiyalyk Seriyasy 2005 (4), 17-30 (in Russian).

Internet Links for Unnamed (Cu-Bi Sulphide)

Localities for Unnamed (Cu-Bi Sulphide)

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 for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? 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.
Kazakhstan
 
  • Karagandy Province (Qaragandy Oblysy; Karaganda Oblast')
    • Balkhash Region (Balqash; Karatas; Prebalkhashie)
      • Sayak
Abulgazina, S. D., Kuznetsova, E. I., Slyusarev, A. P. (1975): Composition and properties of two bismuth sulfo salts of copper from skarn deposits of the Sayak group. Doklady Akademii Nauk SSSR 222, 183-185 (in Russian).
Mineral and/or Locality  
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