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Aluminobarroisite Mineral Data
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General Aluminobarroisite Information
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 Chemical Formula: |
[ ]CaNaMg3Al2(Si7Al)O22(OH)2 |
| Composition: |
Molecular Weight = 799.53 gm |
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Sodium 2.88 % Na 3.88 % Na2O |
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Calcium 5.01 % Ca 7.01 % CaO |
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Magnesium 9.12 % Mg 15.12 % MgO |
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Aluminum 10.12 % Al 19.13 % Al2O3 |
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Silicon 24.59 % Si 52.60 % SiO2 |
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Hydrogen 0.25 % H 2.25 % H2O |
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Oxygen 48.03 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
CaNaMg3Al2(Si7AlO22)(OH)2 |
| IMA Status: |
Approved IMA 1997 (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). |
| Name Pronunciation: |
Aluminobarroisite  |
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