Mineralogy Database

Eucryptite Mineral Data

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General Eucryptite Information

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