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Related to pyrophyllite: talc


 (pī′rō-fĭl′īt′, pī-rŏf′ə-līt′)
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.


(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


(ˌpaɪ rəˈfɪl aɪt, paɪˈrɒf əˌlaɪt)

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]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.pyrophyllite - a white or greenish aluminum silicate mineral (resembles talc)
mineral - solid homogeneous inorganic substances occurring in nature having a definite chemical composition
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
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References in periodicals archive ?
Patchy texture, with dickite and pyrophyllite was also observed and mapped on surface 300 meters to the north of drill hole FMSC18006 and remains a compelling target for future testing.
Previous studies (Calagari and Abedini, 2007) indicated that most common mineral phases in this horizon were diaspore, hematite, kaolinite, nacrite, chlorite, pyrophyllite, quartz, muscovite, rutile, calcite, and magnesio-sidero-riebeckite.
Minerals typical of high temperature environments, such as silica and pyrophyllite, have been recognized in the area.
They are based on expandable layered kaolin and serpentine a 2:1 layered silicate such as phyllosilicate, talc, or pyrophyllite. These hybrids involve interlayer or exchangeable metal cations to balance charges like alkali metals or alkali earth metals.
Cygan, "Water structure and aqueous uranyl(VI) adsorption equilibria onto external surfaces of beidellite, montmorillonite, and pyrophyllite: results from molecular simulations," Environmental Science and Technology, vol.
Wang, "Pyrophyllite mapping in the Nohwa deposit, Korea, using ASTER remote sensing data," Geosciences Journal, vol.
Zerrouq, "Assessment of adsorption kinetics for removal potential of crystal violet dye from aqueous solutions using Moroccan pyrophyllite," Journal of the Association of Arab Universities for Basic and Applied Sciences, vol.
During this process, 8 pure minerals, gibbsite, muscovite, kaolinite, K-feldspar, pyrophyllite, analcime, albite, and Na-beidellite, were taken into account to depict the phase stability relations in the [K.sub.2]O-[Al.sub.2][O.sub.3]-Si[O.sub.2]-[H.sub.2]O and [Na.sub.2]O-[Al.sub.2][O.sub.3]-Si[O.sub.2]-[H.sub.2]O systems.
Final report on the safety assessment of aluminum silicate, calcium silicate, magnesium aluminum silicate, magnesium silicate, magnesium trisilicate, sodium magnesium silicate, zirconium silicate, attapulgite, bentonite, Fuller's earth, hectorite, kaolin, lithium magnesium silicate, lithium magnesium sodium silicate, montmorillonite, pyrophyllite, and zeolite.
Xu, "Role of crystal structure in flotation separation of diaspore from kaolinite, pyrophyllite and illite," Minerals Engineering, vol.
Virta, "Talc and Pyrophyllite," The American Ceramic Society Bulletin, vol.