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Manganochromite Mineral Data
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General Manganochromite Information
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 Chemical Formula: |
(Mn,Fe++)(Cr,V)2O4 |
| Composition: |
Molecular Weight = 225.53 gm |
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Manganese 19.49 % Mn 25.16 % MnO |
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Vanadium 0.90 % V 1.33 % V2O3 |
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Chromium 43.80 % Cr 64.02 % Cr2O3 |
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Iron 7.43 % Fe 9.56 % FeO |
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Oxygen 28.38 % O |
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______ ______ |
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100.00 % 100.07 % = TOTAL OXIDE |
| Empirical Formula: |
Mn2+0.8Fe2+0.3Cr1.9V3+0.04O4 |
| Environment: |
Extensional gash vein in a metamorphosed hydrothermal pyrite deposit. |
| IMA Status: |
Approved IMA 1978 |
| Locality: |
Nairne deposit, near Brukunga, 47 km east of Adelaide, South Australia. Link to MinDat.org Location Data. |
| Name Origin: |
Named for its MANGANese in the composition and relationship to magnesiochromite. |
| Name Pronunciation: |
Manganochromite  |
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