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Ferritschermakite Mineral Data
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General Ferritschermakite Information
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 Chemical Formula: |
Ca2(Fe++,Mg)3Al2(Si7Al)O22(OH)2 |
| Composition: |
Molecular Weight = 879.70 gm |
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Calcium 9.11 % Ca 12.75 % CaO |
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Magnesium 2.76 % Mg 4.58 % MgO |
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Aluminum 9.20 % Al 17.39 % Al2O3 |
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Iron 12.70 % Fe 16.33 % FeO |
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Silicon 22.35 % Si 47.81 % SiO2 |
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Hydrogen 0.23 % H 2.05 % H2O |
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Oxygen 43.65 % O |
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______ ______ |
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100.00 % 100.91 % = TOTAL OXIDE |
| Empirical Formula: |
Ca2Fe2+2MgAl3Si7O22(OH)2 |
| IMA Status: |
Approved IMA 1978 |
| Locality: |
Link to MinDat.org Location Data. |
| Name Origin: |
Named for its composition and for Gustav Tschermak von Sessenegg (1836-1927), Austrian mineralogist. |
| Name Pronunciation: |
Ferritschermakite  |
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