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See also: Muscovite



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In 1850 from Muscovy glass +‎ -ite, from the province Muscovy in Russia. Named by James Dwight Dana.[1]


muscovite (countable and uncountable, plural muscovites)

  1. (mineralogy) A pale brown mineral of the mica group, being a basic potassium aluminosilicate with the chemical formula KAl2(Si3Al)O10(OH,F)2; used as an electrical insulator etc.
    • 2009, James S. Monroe; Reed Wicander, The Changing Earth: Exploring Geology and Evolution, 5th edition, Belmont, Calif.: Brooks/Cole, →ISBN, page 76:
      Do you enjoy the amber glow seen through the isinglass window of a wood stove? [] Muscovite (colorless, white, or pale red or green) mica is also common []; it was named for Moskva (Moscow), where much of Europe's mica was mined. Isinglass, mentioned above, consists of thin, transparent sheets of muscovite.


Further readingEdit

  • Muscovite” in David Barthelmy, Webmineral Mineralogy Database[1], 1997–.
  • muscovite[2], Hudson Institute of Mineralogy, accessed 29 August 2016
  1. ^ Richard V. Gaines, H. Catherine W. Skinner, Eugene E. Foord, Brian Mason, and Abraham Rosenzweig: Dana's new mineralogy, John Wiley & Sons, 1997