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Uvite Mineral Data
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General Uvite Information
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 Chemical Formula: |
(Ca,Na)(Mg,Fe++)3Al5Mg(BO3)3Si6O18(OH,F)4 |
| Composition: |
Molecular Weight = 970.23 gm |
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Sodium 0.59 % Na 0.80 % Na2O |
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Calcium 3.10 % Ca 4.33 % CaO |
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Magnesium 5.64 % Mg 9.35 % MgO |
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Aluminum 13.90 % Al 26.27 % Al2O3 |
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Iron 4.32 % Fe 5.55 % FeO |
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Silicon 17.37 % Si 37.16 % SiO2 |
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Boron 3.34 % B 10.76 % B2O3 |
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Hydrogen 0.31 % H 2.79 % H2O |
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Oxygen 49.47 % O |
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Fluorine 1.96 % F 1.96 % F |
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- %
F -0.82 % -O=F2 |
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______ ______ |
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100.00 % 98.14 % = TOTAL OXIDE |
| Empirical Formula: |
Ca0.75Na0.25Mg2.25Fe2+0.75Al5(BO3)3Si6O18(OH)3F |
| Environment: |
Pegmatitic and skarn rocks. |
| IMA Status: |
Valid Species (Pre-IMA) 1929 (Dana # Changed) |
| Locality: |
Province Uva, Sri Lanka. Link to MinDat.org Location Data. |
| Name Origin: |
Named after its locality. |
| Name Pronunciation: |
Uvite  |
| Synonym: |
ICSD 74189 |
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PDF 29-342 |
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Tourmaline |
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Uvite - (61.3.1.3) |
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