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Oxykinoshitalite Mineral Data
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General Oxykinoshitalite Information
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Chemical Formula: |
(Ba,K)(Mg,Fe++,Ti)3(Si,Al)4O10O2 |
Composition: |
Molecular Weight = 507.95 gm |
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Potassium 3.31 % K 3.99 % K2O |
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Barium 12.98 % Ba 14.49 % BaO |
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Sodium 0.32 % Na 0.43 % Na2O |
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Calcium 0.08 % Ca 0.11 % CaO |
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Magnesium 6.60 % Mg 10.95 % MgO |
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Titanium 7.26 % Ti 12.11 % TiO2 |
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Manganese 0.11 % Mn 0.14 % MnO |
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Aluminum 8.50 % Al 16.06 % Al2O3 |
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Iron 9.79 % Fe 11.74 % FeO / 0.94 % Fe2O3 |
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Silicon 13.05 % Si 27.92 % SiO2 |
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Hydrogen 0.06 % H 0.57 % H2O |
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Oxygen 36.98 % O |
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Fluorine 0.97 % F 0.97 % F |
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- %
F -0.41 % -O=F2 |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
Empirical Formula: |
Ba0.48K0.43Na0.07Ca0.01Mg1.38Fe2+0.83Ti0.77Fe3+0.02Mn2+0.01Si2.36Al1.6Fe3+0.04
O1.42O10(OH)0.32F0.26 |
Environment: |
Found in olivine nephelinite dominated by nepheline basalt flows with minor nephelinite dykes, tuffs, and breccias. Mica group |
IMA Status: |
Approved IMA 2004 (Dana # Added) |
Locality: |
Fernando-do-Noronha Island, Brazil Link to MinDat.org Location Data. |
Name Origin: |
Named in accord with the IMA-approved nomenclature for minerals of them mica group (Rieder et al. 1998, Can. Mineral., 36, 905-912). |
Synonym: |
IMA2004-013 |
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