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Muscovite |
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muscovite [ˈmʌskəˌvaɪt] n (Earth Sciences / Minerals) a pale brown, or green, or colourless mineral of the mica group, found in plutonic rocks such as granite and in sedimentary rocks. It is used in the manufacture of lubricants, insulators, paints, and Christmas ``snow''. Composition: potassium aluminium silicate. Formula: KAl2(AlSi3)O10(OH)2. Crystal structure: monoclinic See also mica [from the phrase Muscovy glass, an early name for mica] Muscovite [ˈmʌskəˌvaɪt] n (Social Science / Peoples) a native or inhabitant of Moscow adj (Social Science / Peoples) (Linguistics / Languages) an archaic word for Russian Mus•co•vite (ˈmʌs kəˌvaɪt) n. 1. a native or inhabitant of Moscow. 2. a native or inhabitant of the Grand Duchy of Muscovy. 3. (l.c.) common light-colored mica, essentially KAl3Si3O10(OH)2, used as an electrical insulator. adj. 5. of or pertaining to Moscow, Muscovy, or the Muscovites. [1545–55]
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