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phlogopite

[flog-uh-pahyt] /ˈflɒg əˌpaɪt/
noun
1.
a magnesium-rich mica mineral, usually yellowish-brown, but sometimes reddish-brown.
Origin of phlogopite
1840-1850
1840-50; < Greek phlogōp(ós) fiery-looking (phlog-, stem of phlóx flame + ōp() view, look + -os adj. suffix) + -ite1
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Based on the Random House Dictionary, © Random House, Inc. 2015.
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British Dictionary definitions for phlogopite

phlogopite

/ˈflɒɡəˌpaɪt/
noun
1.
a brownish mica consisting of a hydrous silicate of potassium, magnesium, and aluminium, occurring principally in metamorphic limestones and ultrabasic rocks. Formula: KMg3AlSi3O10(OH)2 See also mica
Word Origin
C19: from Greek phlogōpos of fiery appearance, from phlox flame +ōps eye
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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phlogopite in Science
phlogopite
  (flŏg'ə-pīt')   
A yellow to dark-brown mica. Phlogopite is monoclinic and is usually found in limestone. It is used in insulation. Chemical formula: K(Mg,Fe)3AlSi3O10(OH)2.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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