Mineralogy Database

Pearceite Mineral Data

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General Pearceite Information

Help on Chemical  Formula: Chemical Formula: [Ag9CuS4] [(Ag,Cu)6(As,Sb)2S7]
Help on Composition: Composition: Molecular Weight = 2,096.80 gm
   Copper    11.64 %  Cu
   Silver    62.50 %  Ag
   Antimony   4.82 %  Sb
   Arsenic    4.22 %  As
   Sulfur    16.82 %  S
            ______ 
            100.00 % 
Help on Empirical Formula: Empirical Formula: Ag12.15Cu3.84As1.18Sb0.83S11
Help on Environment: Environment: The arsenic analog of polybasite.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1896
Help on Locality: Locality: Aspen, Colorado. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after the American chemist, R. Pearce (1837-1927).
Help on Name Pronunciation: Name Pronunciation: Pearceite + Pronunciation Say PEARCEITE
Help on Synonym: Synonym: Pearceite-Tac - Suggested nomenclature from AmMin v92:918