muscovite definition

  • noun:
    • A potassium aluminum silicate mineral, KAl2(AlSi3O10)(OH)2, the most frequent form of mica, which ranges from colorless or pale yellow to grey and brown, has a pearly luster, and it is made use of as an insulator. Also called white mica.
    • A pale brown mineral of mica team, being a basic potassium aluminosilicate using chemical formula KAl2(Si3Al)O10(OH,F)2; used as a power insulator etc.

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