Mineralogy Database

Miassite Mineral Data

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General Miassite Information

Help on Chemical  Formula: Chemical Formula: Rh17S15
Help on Composition: Composition: Molecular Weight = 2,230.38 gm
   Rhodium  78.43 %  Rh
   Sulfur   21.57 %  S
           100.00 % 
Help on Empirical Formula: Empirical Formula: Rh17S15
Help on Environment: Environment: Inclusions in isoferroplatinum from placer concentrates. The rhodium and sulfur analogue of palladseite. Identical with prassoite.
Help on IMA Status: IMA Status: Approved IMA 1997 (Dana # Added)
Help on Locality: Locality: Miass river, Ural Mountains, Russia Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after the locality.
Help on Synonym: Synonym: IMA1997-029