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Augite Mineral Data
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General Augite Information
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 Chemical Formula: |
(Ca,Na)(Mg,Fe,Al,Ti)(Si,Al)2O6 |
| Composition: |
Molecular Weight = 236.35 gm |
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Sodium 0.97 % Na 1.31 % Na2O |
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Calcium 15.26 % Ca 21.35 % CaO |
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Magnesium 9.26 % Mg 15.35 % MgO |
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Titanium 2.03 % Ti 3.38 % TiO2 |
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Aluminum 4.57 % Al 8.63 % Al2O3 |
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Iron 4.73 % Fe 6.08 % FeO |
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Silicon 22.58 % Si 48.30 % SiO2 |
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Oxygen 40.62 % O |
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______ ______ |
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100.00 % 104.40 % = TOTAL OXIDE |
| Empirical Formula: |
Ca0.9Na0.1Mg0.9Fe2+0.2Al0.4Ti0.1Si1.9O6 |
| Environment: |
Basic igneous and metamorphic rocks. |
| IMA Status: |
Valid Species (Pre-IMA) 1792 |
| Locality: |
Common world wide. Link to MinDat.org Location Data. |
| Name Origin: |
From the Greek auge - "luster." |
| Name Pronunciation: |
Augite  |
| Synonym: |
Fassaite |
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ICSD 9257 |
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PDF 24-203 |
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