Mineralogy Database

Cupropolybasite Mineral Data

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General Cupropolybasite Information

Help on Chemical  Formula: Chemical Formula: [Cu6Sb2S7][Ag9CuS4]
Help on Composition: Composition: Molecular Weight = 2,011.86 gm
   Copper    22.11 %  Cu
   Silver    48.25 %  Ag
   Antimony  12.10 %  Sb
   Sulfur    17.53 %  S
            100.00 % 
Help on Empirical Formula: Empirical Formula: Cu6Sb2S7Ag9CuS4
Help on Environment: Environment: Pearceite-polybasite group
Help on IMA Status: IMA Status: Proposed IMA 2008 (Dana # Added)
Help on Locality: Locality: Premier Mine, Stewart, British Columbia, Canada Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named as the Cu-rich analog of polybasite
Help on Synonym: Synonym: IMA2008-004