Chemical Formula: Fe++Fe+++2S4
Help on Composition: Composition: Molecular Weight = 239.96 g
 
Sulfur 53.45 % S 0.00 % 0.00 %
Iron 46.55 % Fe 0.00 % 0.00 %

100.00 %
 
Help on Empirical Formula: Empirical Formula: Fe2+Fe3+S4
Help on Environment: Environment: In part, a biomineral
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 Synonym: Synonym: Melnikovite