pyrophyllite
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Related to pyrophyllite: talc
py·ro·phyl·lite
(pī′rō-fĭl′īt′, pī-rŏf′ə-līt′)n.
A silvery white or pale green aluminum silicate mineral, Al2Si4O10(OH)2, occurring naturally in soft compact masses.
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.
pyrophyllite
(ˌpaɪrəʊˈfɪlaɪt)n
(Minerals) a white, silvery, or green micaceous mineral that consists of hydrated aluminium silicate in monoclinic crystalline form and occurs in metamorphic rocks. Formula: Al2Si4O10(OH)2
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
py•ro•phyl•lite
(ˌpaɪ rəˈfɪl aɪt, paɪˈrɒf əˌlaɪt)n.
a mineral, hydrous aluminum silicate, Al2Si4O10(OH)2, usu. having a white or greenish color and occurring in foliated and granular masses.
[1820–30; < German Pyrophyllit; so called because it exfoliates when heated. See pyro-, -phyll, -ite1]
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Noun | 1. | pyrophyllite - a white or greenish aluminum silicate mineral (resembles talc) mineral - solid homogeneous inorganic substances occurring in nature having a definite chemical composition |
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