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Eucryptite Mineral Data
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General Eucryptite Information
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Chemical Formula: |
LiAlSiO4 |
Composition: |
Molecular Weight = 126.01 gm |
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Lithium 5.51 % Li 11.86 % Li2O |
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Aluminum 21.41 % Al 40.46 % Al2O3 |
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Silicon 22.29 % Si 47.68 % SiO2 |
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Oxygen 50.79 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
Empirical Formula: |
LiAlSiO4 |
Environment: |
In lithium-rich pegmatites. Secondary mineral derived from spodumene. |
IMA Status: |
Valid Species (Pre-IMA) 1880 |
Locality: |
Branchville, Faifield Co., Connecticut, USA. Link to MinDat.org Location Data. |
Name Origin: |
Named from the Greek for well and concealed, in reference to its occurrence as intimate intergrowths with albite. |
Name Pronunciation: |
Eucryptite + Pronunciation |
Synonym: |
ICSD 30982 |
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PDF 14-667 |
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