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Ferri-magnesiotaramite Mineral Data
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General Ferri-magnesiotaramite Information
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Chemical Formula: |
NaCaNaMg3Fe+++2[Si6Al2O22](OH)2 |
Composition: |
Molecular Weight = 879.14 gm |
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Sodium 5.23 % Na 7.05 % Na2O |
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Calcium 4.56 % Ca 6.38 % CaO |
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Magnesium 8.29 % Mg 13.75 % MgO |
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Aluminum 6.14 % Al 11.60 % Al2O3 |
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Iron 12.70 % Fe 18.16 % Fe2O3 |
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Silicon 19.17 % Si 41.01 % SiO2 |
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Hydrogen 0.23 % H 2.05 % H2O |
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Oxygen 43.68 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
Empirical Formula: |
NaCaNaMg3Fe3+2Si6Al2O22(OH)2 |
IMA Status: |
Proposed IMA 1987 (Dana # Added) |
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). |
Synonym: |
Magnesioferritaramite |
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