Mineralogy Database

Greigite Mineral Data

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General Greigite Information

Help on Chemical  Formula: Chemical Formula: Fe++Fe+++2S4
Help on Composition: Composition: Molecular Weight = 295.81 gm
   Iron    56.64 %  Fe
   Sulfur  43.36 %  S
          ______ 
          100.00 % 
Help on Empirical Formula: Empirical Formula: Fe2+Fe3+2S4
Help on Environment: Environment: In part, a biomineral
Help on IMA Status: IMA Status: Approved IMA 1964
Help on Locality: Locality: Kramer - Four Corners area (Drill cores), San Bernardino Co. California. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: For Dr. Joseph Wilson Grieg (1895-1977).
Help on Name Pronunciation: Name Pronunciation: Greigite Say GREIGITE
Help on Synonym: Synonym: ICSD 42535
  Melnikovite
  PDF 16-713