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Andalusite Mineral Data
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General Andalusite Information
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 Chemical Formula: |
Al2SiO5 = Al[6]Al[5]OSiO4 |
| Composition: |
Molecular Weight = 162.05 gm |
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Aluminum 33.30 % Al 62.92 % Al2O3 |
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Silicon 17.33 % Si 37.08 % SiO2 |
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Oxygen 49.37 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
Al2SiO5 |
| Environment: |
Metamorphosed peri-aluminous sedimentary rocks. |
| IMA Status: |
Valid Species (Pre-IMA) 1789 |
| Locality: |
Andalucia (Spain), an early but now unimportant location. Link to MinDat.org Location Data. |
| Name Origin: |
Named after its locality. |
| Name Pronunciation: |
Andalusite + Pronunciation  |
| Synonym: |
Chiastolite |
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ICSD 24275 |
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PDF 39-376 |
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