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Abswurmbachite Mineral Data
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General Abswurmbachite Information
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 Chemical Formula: |
Cu++Mn+++6SiO12 |
| Composition: |
Molecular Weight = 615.45 gm |
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Manganese 50.88 % Mn 2.31 % MnO / 70.54 % Mn2O3 |
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Aluminum 0.44 % Al 0.83 % Al2O3 |
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Iron 3.63 % Fe 5.19 % Fe2O3 |
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Copper 9.29 % Cu 11.63 % CuO |
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Silicon 4.56 % Si 9.76 % SiO2 |
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Oxygen 31.20 % O |
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______ ______ |
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100.00 % 100.26 % = TOTAL OXIDE |
| Empirical Formula: |
Cu0.9Mn2+0.2Mn3+5.5Fe3+0.4Al0.1SiO12 |
| Environment: |
In very low-grade, high pressure metamorphic Mn, Al-rich sediments. |
| IMA Status: |
Approved IMA 1991 |
| Locality: |
Milli, Avia and Andros Island, Greece. Link to MinDat.org Location Data. |
| Name Origin: |
Named for Irmgard Abs-Wurmbach (1938-), German mineralogist. |
| Name Pronunciation: |
Abswurmbachite + Pronunciation  |
| Synonym: |
ICSD 71823 |
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IMA1990-007 |
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PDF 41-576 |
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