General Permanganogrunerite Information
|
 Chemical Formula: |
[ ]Mn4(Fe++)3(Si8O22)(OH)2 |
| Composition: |
Molecular Weight = 997.98 gm |
| |
Manganese 22.02 % Mn 28.43 % MnO |
| |
Iron 16.79 % Fe 21.60 % FeO |
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Silicon 22.51 % Si 48.16 % SiO2 |
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Hydrogen 0.20 % H 1.81 % H2O |
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Oxygen 38.48 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
Mn2+4Fe2+3Si8O22(OH)2 |
| IMA Status: |
Proposed IMA 1997 (Dana # Added) |
| Locality: |
Link to MinDat.org Location Data. |
| Name Origin: |
Named as per current IMA amphibole nomenclature (Burke and Leake 2004; Can. Mineral., 42, 1881-1883). Dashkensanite (1936) was revalidated and renamed 2005. |
| Name Pronunciation: |
Permanganogrunerite + Pronunciation  |
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