Mineralogy Database

Irarsite Mineral Data

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General Irarsite Information

Help on Chemical  Formula: Chemical Formula: (Ir,Ru,Rh,Pt)AsS
Help on Composition: Composition: Molecular Weight = 254.29 gm
   Arsenic    29.46 %  As
   Iridium    30.24 %  Ir
   Ruthenium  11.92 %  Ru
   Platinum    7.67 %  Pt
   Rhodium     8.09 %  Rh
   Sulfur     12.61 %  S
             100.00 % 
Help on Empirical Formula: Empirical Formula: Ir0.4Ru0.3Rh0.2Pt0.1AsS
Help on Environment: Environment: Grains in chromite in hortonolite dunite. Intergrown with hollingworthite or laurite.
Help on IMA Status: IMA Status: Approved IMA 1966
Help on Locality: Locality: Ub tge Onverwacht and Driekop mines, Transvaal, South Africa. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: For the Iridium and ARSenic in the composition.
Help on Name Pronunciation: Name Pronunciation: Irarsite Say IRARSITE