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Metahohmannite Mineral Data
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General Metahohmannite Information
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 Chemical Formula: |
Fe+++2[O(SO4)2]•4(H2O) |
| Composition: |
Molecular Weight = 391.88 gm |
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Iron 28.50 % Fe 40.75 % Fe2O3 |
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Hydrogen 2.06 % H 18.39 % H2O |
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Sulfur 16.37 % S 40.86 % SO3 |
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Oxygen 53.08 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
Fe3+2(O)(SO4)2•4(H2O) |
| Environment: |
Formed rapidly from the dehydration of hohmannite. |
| IMA Status: |
Valid Species (Pre-IMA) 1938 |
| Locality: |
Chuquicamata, Quetena, and Alcaparrosa, Chile. Link to MinDat.org Location Data. |
| Name Origin: |
Named after the similarity to hohmannite, with a lower state of hydration. |
| Name Pronunciation: |
Metahohmannite + Pronunciation  |
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