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Ferritaramite Mineral Data
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General Ferritaramite Information
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Chemical Formula: |
Na(CaNa)(Fe++,Mg)3Fe+++2[Si6Al2O22](OH)2 |
Composition: |
Molecular Weight = 942.23 gm |
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Sodium 4.88 % Na 6.58 % Na2O |
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Calcium 4.25 % Ca 5.95 % CaO |
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Magnesium 2.58 % Mg 4.28 % MgO |
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Aluminum 5.73 % Al 10.82 % Al2O3 |
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Iron 23.71 % Fe 15.25 % FeO / 16.95 % Fe2O3 |
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Silicon 17.88 % Si 38.26 % SiO2 |
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Hydrogen 0.21 % H 1.91 % H2O |
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Oxygen 40.75 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
Empirical Formula: |
Na2CaMgFe2+2Fe3+2(Si6Al2O22)(OH)2 |
Environment: |
Nepheline-bearing igneous rocks. |
IMA Status: |
Approved IMA 1978 |
Locality: |
Wali-tarama, Mariupol, Ukraine. 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: |
Ferritaramite |
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