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Aluminoferrotschermakite Mineral Data
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General Aluminoferrotschermakite Information
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 Chemical Formula: |
[ ]Ca2(Fe2+)3Al2(Si6Al2)O22(OH)2 |
| Composition: |
Molecular Weight = 910.14 gm |
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Calcium 8.81 % Ca 12.32 % CaO |
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Aluminum 11.86 % Al 22.41 % Al2O3 |
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Iron 18.41 % Fe 23.68 % FeO |
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Silicon 18.52 % Si 39.61 % SiO2 |
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Hydrogen 0.22 % H 1.98 % H2O |
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Oxygen 42.19 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
Ca2Fe2+3Al4Si6O22(OH)2 |
| IMA Status: |
Approved IMA 1997 (Dana # Added) |
| Locality: |
Link to MinDat.org Location Data. |
| Name Origin: |
Named for its composition and for Gustav Tschermak von Sessenegg (1836-1927), Austrian mineralogist. |
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