Mineralogy Database

Osarsite Mineral Data

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General Osarsite Information

Help on Chemical  Formula: Chemical Formula: (Os,Ru)AsS
Help on Composition: Composition: Molecular Weight = 274.91 gm
   Arsenic    27.25 %  As
   Osmium     51.89 %  Os
   Ruthenium   9.19 %  Ru
   Sulfur     11.66 %  S
             100.00 % 
Help on Empirical Formula: Empirical Formula: Os0.75Ru0.25AsS
Help on Environment: Environment: In a platinum-bearing sample of placer sand.
Help on IMA Status: IMA Status: Approved IMA 1972
Help on Locality: Locality: Gold Bluff, 3 to 6 miles north of Orick, Humboldt Co., California. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after it's chemical composition of osmium and arsenic.
Help on Name Pronunciation: Name Pronunciation: Osarsite Say OSARSITE
Help on Synonym: Synonym: ICSD 42580
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