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Ferro-aluminotschermakite Mineral Data
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General Ferro-aluminotschermakite Information
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 Chemical Formula: |
Ca2Fe++3Al2(Si7Al)O22(OH)2 |
| Composition: |
Molecular Weight = 911.24 gm |
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Calcium 8.80 % Ca 12.31 % CaO |
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Aluminum 8.88 % Al 16.78 % Al2O3 |
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Iron 18.39 % Fe 23.65 % FeO |
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Silicon 21.57 % Si 46.16 % SiO2 |
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Hydrogen 0.22 % H 1.98 % H2O |
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Oxygen 42.14 % O |
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______ ______ |
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100.00 % 100.88 % = TOTAL OXIDE |
| Empirical Formula: |
Ca2Fe2+3Al3Si7O22(OH)2 |
| IMA Status: |
Not Approved IMA 1997 |
| 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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