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Anandite Mineral Data
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General Anandite Information
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Chemical Formula: |
(Ba,K)(Fe++,Mg)3(Si,Al,Fe)4O10(S,OH)2 |
Composition: |
Molecular Weight = 593.15 gm |
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Potassium 1.65 % K 1.99 % K2O |
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Barium 17.36 % Ba 19.39 % BaO |
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Magnesium 3.07 % Mg 5.10 % MgO |
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Aluminum 3.18 % Al 6.02 % Al2O3 |
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Iron 24.01 % Fe 27.25 % FeO / 4.04 % Fe2O3 |
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Silicon 14.20 % Si 30.39 % SiO2 |
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Hydrogen 0.08 % H 0.76 % H2O |
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Sulfur 8.11 % S 8.11 % S2- |
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- % S -4.05 % -O=S |
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Oxygen 28.32 % O |
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______ ______ |
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100.00 % 98.99 % = TOTAL OXIDE |
Empirical Formula: |
Ba0.75K0.25Fe2+2.25Mg0.75Si3Al0.7Fe3+0.3O10S1.5(OH)0.5 |
Environment: |
Found in banded iron ores. |
IMA Status: |
Approved IMA 1967 |
Locality: |
Wilagedera prospect, North Western Province, Sri Lanka. Link to MinDat.org Location Data. |
Name Origin: |
Named for Ananda Kentish Coomaraswamy (1877-1947), first director of the Mineral Survey of Ceylon (Sri Lanka). |
Name Pronunciation: |
Anandite |
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