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Trechmannite Mineral Data
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General Trechmannite Information
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 Chemical Formula: |
AgAsS2 |
| Composition: |
Molecular Weight = 246.92 gm |
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Silver 43.69 % Ag |
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Arsenic 30.34 % As |
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Sulfur 25.97 % S |
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______ |
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100.00 % |
| Empirical Formula: |
AgAsS2 |
| Environment: |
Of hydrothermal origin, in dolomite. Dimorphous with smithite. |
| IMA Status: |
Valid Species (Pre-IMA) 1905 |
| Locality: |
Lengenbach, Binnental, Switzerland. Link to MinDat.org Location Data. |
| Name Origin: |
Named for Charles O. Trechmenn (1851-1917), English mineralogist. |
| Name Pronunciation: |
Trechmannite + Pronunciation  |
| Synonym: |
ICSD 18101 |
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PDF 42-555 |
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