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Iwakiite Mineral Data
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General Iwakiite Information
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 Chemical Formula: |
Mn++(Fe+++,Mn+++)2O4 |
| Composition: |
Molecular Weight = 229.99 gm |
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Manganese 40.61 % Mn 30.84 % MnO / 24.03 % Mn2O3 |
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Iron 31.57 % Fe 40.61 % FeO |
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Oxygen 27.83 % O |
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______ ______ |
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100.00 % 95.48 % = TOTAL OXIDE |
| Empirical Formula: |
Mn2+Fe2+1.3Mn3+0.7O4 |
| Environment: |
Regionally metamorphosed bedded manganese deposit. |
| IMA Status: |
Approved IMA 1979 |
| Locality: |
Gozaisho mine, Iwaki, Fukushima Prefecture, Japan. Link to MinDat.org Location Data. |
| Name Origin: |
Named for the locality. |
| Name Pronunciation: |
Iwakiite  |
| Synonym: |
ICSD 76612 |
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PDF 38-430 |
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alpha vrendenbergite |
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vrendenbergite alpha |
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