from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A yellow to dark brown mica, K(Mg,Fe)3AlSi3O10(OH)2, used in insulation.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A mica mineral with the chemical formula KMg3AlSi3O10(F,OH)2, a basic potassium magnesium aluminosilicate, used as an insulator.

from the GNU version of the Collaborative International Dictionary of English

  • n. A kind of mica having generally a peculiar bronze-red or copperlike color and a pearly luster. It is a silicate of aluminia, with magnesia, potash, and some fluorine. It is characteristic of crystalline limestone or dolomite and serpentine. See mica.

from The Century Dictionary and Cyclopedia

  • n. A kind of magnesia mica (see mica, 1) commonly occurring in crystalline limestone and in serpentine.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. a brown form of mica consisting of hydrous silicate of potassium and magnesium and aluminum


Greek phlogōpos, fiery-looking (phlox, phlog-, flame; see bhel-1 in Indo-European roots + ōps, ōp-, eye, face; see okw- in Indo-European roots) + -ite1.
(American Heritage® Dictionary of the English Language, Fourth Edition)
From German Phlogopit, from Ancient Greek ϕλογωπός ("fiery-looking") +‎ -ite. (Wiktionary)


  • The name phlogopite, named by F.A. Breithaupt in 1841, comes from the Greek word phologopos meaning fiery in reference to the reddish color seen on some specimens of this mica.


  • Vermiculite is formed by the alteration and/or weathering of the minerals biotite and phlogopite.


  • The breakdown of biotite and phlogopite creates vermiculite.


  • The two micas used as a commodity are: brown mica or phlogopite which contains iron and magnesium; and the "reddish, green, or white (or clear) mica" or muscovite which contains potassium and aluminum.


  • Mica is also used as segment plates between copper commutator sections to insulate copper from the steel; phlogopite mica is used because it wears at the same rate as the copper segments.


  • The mica group of minerals includes: biotite, muscovite, lepidolite, and phlogopite.


  • Phalaborwa to Maputo, and the Palmag project, which will extract various minerals from a substance known as phlogopite.

    ANC Daily News Briefing

  • The plant would produce 330,000 tons of alumina, 300,000 tons of magnesia and 230,000 tons of potassium sulphate a year from mineral phlogopite currently being discarded as tailings from the phosphate operations of Foskor, the IDC said in a statement.

    ANC Daily News Briefing

  • The phlogopite mica of Canada occurs in pyroxenite dikes.

    The Economic Aspect of Geology

  • Pet cheap plymouth hotels are disenchanted to refrigeration the medroxyprogesterone for pet phlogopite as the ingratitude of noncompliant for a pet are piggyback agamogenetic than june padding.

    Rational Review


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