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Ferroglaucophane Mineral Data
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General Ferroglaucophane Information
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Chemical Formula: |
[ ]Na2(Fe++3Al2)Si8O22(OH)2 |
Composition: |
Molecular Weight = 878.17 gm |
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Sodium 5.24 % Na 7.06 % Na2O |
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Aluminum 6.14 % Al 11.61 % Al2O3 |
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Iron 19.08 % Fe 24.54 % FeO |
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Silicon 25.59 % Si 54.74 % SiO2 |
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Hydrogen 0.23 % H 2.05 % H2O |
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Oxygen 43.73 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
Empirical Formula: |
Na2Fe2+3Al2(Si8O22)(OH)2 |
IMA Status: |
Valid Species (Pre-IMA) 1957 |
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). |
Name Pronunciation: |
Ferroglaucophane + Pronunciation |
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