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Manganhumite Mineral Data
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General Manganhumite Information
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 Chemical Formula: |
(Mn,Mg)7(SiO4)3(OH)2 |
| Composition: |
Molecular Weight = 641.22 gm |
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Magnesium 6.63 % Mg 11.00 % MgO |
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Manganese 44.98 % Mn 58.08 % MnO |
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Silicon 13.14 % Si 28.11 % SiO2 |
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Hydrogen 0.31 % H 2.81 % H2O |
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Oxygen 34.93 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
Mn2+5.25Mg1.75(SiO4)3(OH)2 |
| Environment: |
A late-stage skarn mineral formed in recrystallized limestone banded between layers of manganese ore minerals |
| IMA Status: |
Approved IMA 1978 |
| Locality: |
Brattfors mine, Nordmark, and at Langban, Varmland, Sweden. Link to MinDat.org Location Data. |
| Name Origin: |
Named for manganese in the composition and relation to humite. |
| Name Pronunciation: |
Manganhumite + Pronunciation  |
| Synonym: |
ICSD 200351 |
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PDF 29-866 |
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