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Orpiment Mineral Data
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General Orpiment Information
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 Chemical Formula: |
As2S3 |
| Composition: |
Molecular Weight = 246.04 gm |
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Arsenic 60.90 % As |
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Sulfur 39.10 % S |
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______ |
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100.00 % |
| Empirical Formula: |
As2S3 |
| Environment: |
Low temperature hydrothermal veins, hot springs, and fumaroles; also commony as an alteration product of arsenic minerals, especially realgar. |
| IMA Status: |
Valid Species (Pre-IMA) 1747 |
| Locality: |
Common world wide. Link to MinDat.org Location Data. |
| Name Origin: |
From the Latin, auripigmentum, in allusion to the vivid golden hue. |
| Name Pronunciation: |
Orpiment  |
| Synonym: |
ICSD 15239 |
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PDF 24-75 |
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