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Magnesiocopiapite Mineral Data
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General Magnesiocopiapite Information
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 Chemical Formula: |
MgFe+++4(SO4)6(OH)2•20(H2O) |
| Composition: |
Molecular Weight = 1,218.39 gm |
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Magnesium 1.99 % Mg 3.31 % MgO |
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Iron 18.33 % Fe 26.21 % Fe2O3 |
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Hydrogen 3.47 % H 31.05 % H2O |
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Sulfur 15.79 % S 39.43 % SO3 |
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Oxygen 60.41 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
MgFe3+4(SO4)6(OH)2•20(H2O) |
| Environment: |
Secondary mineral, typically formed by oxidation of pyrite. |
| IMA Status: |
Valid Species (Pre-IMA) 1938 |
| Locality: |
Blythe, Riverside Co., and at the Redington mercury mine, Knoxville, Napa Co., California, USA. Link to MinDat.org Location Data. |
| Name Origin: |
Named for its magnesium content and relation to copiapite. |
| Name Pronunciation: |
Magnesiocopiapite  |
| Synonym: |
ICSD 2917 |
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PDF 42-599 |
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