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Anhydrite Mineral Data
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General Anhydrite Information
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 Chemical Formula: |
CaSO4 |
| Composition: |
Molecular Weight = 136.14 gm |
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Calcium 29.44 % Ca 41.19 % CaO |
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Sulfur 23.55 % S 58.81 % SO3 |
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Oxygen 47.01 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
Ca(SO4) |
| Environment: |
Sedimentary beds, gangue in ore veins, and in traprock zeolite occurrences. |
| IMA Status: |
Valid Species (Pre-IMA) 1795 |
| Locality: |
World wide occurrences where marine evaporite beds occur. Often interbedded with halite. Link to MinDat.org Location Data. |
| Name Origin: |
From the Greek anhydros, meaning "waterless" (In contrast to Gypsum, which contains water). |
| Name Pronunciation: |
Anhydrite + Pronunciation  |
| Synonym: |
Calcium Sulfate |
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ICSD 16382 |
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PDF 37-1496 |
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