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Pyroxferroite Mineral Data
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General Pyroxferroite Information
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 Chemical Formula: |
(Fe++,Mn)7[Si7O21] |
| Composition: |
Molecular Weight = 922.61 gm |
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Manganese 5.95 % Mn 7.69 % MnO |
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Iron 36.32 % Fe 46.72 % FeO |
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Silicon 21.31 % Si 45.59 % SiO2 |
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Oxygen 36.42 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
Fe2+6Mn2+Si7O21 |
| Environment: |
Gabbroic rocks. Forms a series with pyroxmangite. |
| IMA Status: |
Approved IMA 1970 |
| Locality: |
Sea of Tranquility, Moon and Isanago mine, Kyoto Prefecture, Japan. Link to MinDat.org Location Data. |
| Name Origin: |
Named after its resemblance to the pyroxenes and containing iron over manganese.. |
| Name Pronunciation: |
Pyroxferroite + Pronunciation  |
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