Mineralogy Database

Polybasite Mineral Data

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General Polybasite Information

Help on Chemical  Formula: Chemical Formula: [Ag9CuS4] [(Ag,Cu)6(Sb,As)2S7]
Help on Composition: Composition: Molecular Weight = 2,154.03 gm
   Copper     8.85 %  Cu
   Silver    65.10 %  Ag
   Antimony   7.07 %  Sb
   Arsenic    2.61 %  As
   Sulfur    16.38 %  S
            ______ 
            100.00 % 
Help on Empirical Formula: Empirical Formula: Ag9CuS4Ag4Cu2Sb1.25As0.75S7
Help on Environment: Environment: In silver viens of low to moderate temperature of formation.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1829
Help on Locality: Locality: Common world wide. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: From the Greek, poly, "many" and basis, "a base" in allusion to the basic character of the compound.
Help on Name Pronunciation: Name Pronunciation: Polybasite + Pronunciation Say POLYBASITE
Help on Synonym: Synonym: Polybasite-M2a2b2c - Suggested nomenclature from AmMin v92:918
  Polybasite-T2ac - Suggested nomenclature from AmMin v92:918