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