phlogopite(redirected from Magnesium mica)
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A yellow to dark brown mica, K(Mg,Fe)3AlSi3O10(OH)2, used in insulation.
[Greek phlogōpos, fiery-looking (phlox, phlog-, flame; see bhel- in Indo-European roots + ōps, ōp-, eye, face; see okw- in Indo-European roots) + -ite.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
(Minerals) 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
[C19: from Greek phlogōpos of fiery appearance, from phlox flame +ōps eye]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
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|Noun||1.||phlogopite - a brown form of mica consisting of hydrous silicate of potassium and magnesium and aluminum|
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