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Clinobirnessite Mineral Data
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General Clinobirnessite Information
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 Chemical Formula: |
Na4Mn14O27•9(H2O) |
| Composition: |
Molecular Weight = 1,455.21 gm |
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Sodium 6.32 % Na 8.52 % Na2O |
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Manganese 52.85 % Mn 37.97 % Mn2O3 / 41.82 % MnO2 |
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Hydrogen 1.25 % H 11.14 % H2O |
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Oxygen 39.58 % O |
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______ ______ |
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100.00 % 99.45 % = TOTAL OXIDE |
| Empirical Formula: |
Na4Mn3+7Mn4+7O27•9(H2O) |
| IMA Status: |
Not Approved IMA |
| Locality: |
Link to MinDat.org Location Data. |
| Name Origin: |
Name as the monoclinic polymorph of birnessite. |
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