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Mandarinoite Mineral Data
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General Mandarinoite Information
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 Chemical Formula: |
Fe+++2Se3O9•6(H2O) |
| Composition: |
Molecular Weight = 600.66 gm |
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Iron 18.60 % Fe 26.59 % Fe2O3 |
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Hydrogen 2.01 % H 18.00 % H2O |
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Selenium 39.44 % Se 51.42 % Se2O3 |
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Oxygen 39.95 % O |
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______ ______ |
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100.00 % 96.00 % = TOTAL OXIDE |
| Empirical Formula: |
Fe3+2Se3O9•6(H2O) |
| Environment: |
Found on a penroseite museum specimen. Probable oxidation product of penroseite and siderite or pyrite. |
| IMA Status: |
Approved IMA 1978 |
| Locality: |
Pacajake mine, Potosi, Bolivia. Link to MinDat.org Location Data. |
| Name Origin: |
Named for Joseph A. Mandarino of the Royal Ontario Museum in recognition of his work on selenites. |
| Name Pronunciation: |
Mandarinoite + Pronunciation  |
| Synonym: |
ICSD 201805 |
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IMA1977-049 |
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PDF 29-719 |
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