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Mullite Mineral Data
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General Mullite Information
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 Chemical Formula: |
Al(4+2x)Si(2-2x)O(10-x) where x =0.17 to 0.59 |
| Composition: |
Molecular Weight = 319.54 gm |
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Aluminum 38.00 % Al 71.79 % Al2O3 |
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Silicon 13.18 % Si 28.21 % SiO2 |
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Oxygen 48.82 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
Al4.5Si1.5O9.75 |
| Environment: |
Remelted Tertiary-aged clays. |
| IMA Status: |
Valid Species (Pre-IMA) 1924 |
| Locality: |
Isle of Mull, Scotland, England. Link to MinDat.org Location Data. |
| Name Origin: |
Named after its locality. |
| Name Pronunciation: |
Mullite  |
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