phlogopite

Definitions

  • WordNet 3.6
    • n phlogopite a brown form of mica consisting of hydrous silicate of potassium and magnesium and aluminum
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Webster's Revised Unabridged Dictionary
    • n Phlogopite (Min) 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.
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Century Dictionary and Cyclopedia
    • n phlogopite A kind of magnesia mica (see mica, 1) commonly occurring in crystalline limestone and in serpentine. It has often a copper-like color and pearly luster; chemically it is usually characterized by the presence of a small percentage of fluorin.
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Etymology

Webster's Revised Unabridged Dictionary
Gr. firelike

Usage

In literature:

The phlogopite mica of Canada occurs in pyroxenite dikes.
"The Economic Aspect of Geology" by C. K. Leith
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