Eucryptite

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1	See Alexandrite Tsarstone collectors guide, American alexandrite, La Madera Mountain Mine, http://www.alexandrite.net/viewpage.html?id=ALXS Add to Reading List Source URL: www.alexandrite.net Language: English Gemstones Beryllium minerals Oxide minerals Nesosilicates Chrysoberyl Pegmatite Lepidolite Microlite Eucryptite Silicate minerals Crystallography Natural resources
2	The American Journal of Science Add to Reading List Source URL: rruff.info Language: English - Date: 2008-12-26 22:33:18 Tectosilicates Feldspar Inosilicates Mineralogy Gemstones Eucryptite Spodumene Lithiophilite Albite Silicate minerals Chemistry Crystallography