muscovite

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“
Sheet muscovite (white) mica is used in electronic insulators (mainly in vacuum tubes), ground mica in paint, as joint cement, as a dusting agent, in well-drilling muds, and in plastics, roofing, rubber, and welding rods.

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Definitions (5)

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  1. noun A potassium aluminum silicate mineral, KAl2(AlSi3O10)(OH)2, the most common form of mica, which ranges from colorless or pale yellow to gray and brown, has a pearly luster, and is used as an insulator. Also called white mica.

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Examples (17)

  • Freshly cleaved muscovite mica is often used for this purpose.
  • Sheet muscovite (white) mica is used in electronic insulators (mainly in vacuum tubes), ground mica in paint, as joint cement, as a dusting agent, in well-drilling muds, and in plastics, roofing, rubber, and welding rods. —  Netvouz - new bookmarks
  • MICA (another group, primarily the minerals muscovite and biotite) comprises about 8\% of the crust. —  Netvouz - new bookmarks
  • It seems to be a true muscovite, and is seldom marred by magnetic markings or crystalline inclusions that would interfere with its industrial use. —  Scientific American Supplement No. 822, October 3, 1891
  • States is chiefly muscovite. —  The Economic Aspect of Geology
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Etymologies (1)

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  1. Muscovy glass, its former name + -ite1.
 

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