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Cordierite Mineral Data
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General Cordierite Information
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 Chemical Formula: |
Mg2Al4Si5O18 |
| Composition: |
Molecular Weight = 584.95 gm |
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Magnesium 8.31 % Mg 13.78 % MgO |
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Aluminum 18.45 % Al 34.86 % Al2O3 |
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Silicon 24.01 % Si 51.36 % SiO2 |
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Oxygen 49.23 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
Mg2Al4Si5O18 |
| Environment: |
Magmatic, metamorphic, and pegmatitic rocks. |
| IMA Status: |
Valid Species (Pre-IMA) 1813 |
| Locality: |
Bodenmais, Germany. Link to MinDat.org Location Data. |
| Name Origin: |
From the French mining engineer and geologist P. L. A. Cordier (1777-1861). |
| Name Pronunciation: |
Cordierite + Pronunciation  |
| Synonym: |
Dichroite |
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ICSD 100250 |
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Iolite |
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PDF 12-303 |
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