Mineralogy Database

Arsenopyrite Mineral Data

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General Arsenopyrite Information

Help on Chemical  Formula: Chemical Formula: FeAsS
Help on Composition: Composition: Molecular Weight = 162.83 gm
   Iron     34.30 %  Fe
   Arsenic  46.01 %  As
   Sulfur   19.69 %  S
           100.00 % 
Help on Empirical Formula: Empirical Formula: Fe3+AsS
Help on Environment: Environment: High temperature veins. Found in igneous pegmatites and contact metamorphic rocks.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1847
Help on Locality: Locality: Most common arsenic-bearing mineral found world wide. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after the minerals chemical composition.
Help on Name Pronunciation: Name Pronunciation: Arsenopyrite + Pronunciation Say ARSENOPYRITE
Help on Synonym: Synonym: Arsenical pyrite
  Bismuthian Arsenopyrite
  Cobaltian Arsenopyrite
  ICSD 62400
  PDF 42-1320