[ pahy-ruh-fil-ahyt, pahy-rof-uh-lahyt ]
/ ˌpaɪ rəˈfɪl aɪt, paɪˈrɒf əˌlaɪt /
Mineralogy. a phyllosilicate, AlSi2O5(OH), usually having a white or greenish color, and occurring in either foliated or compact masses, the latter variety being used like soapstone.
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Words nearby pyrophyllite
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
Example sentences from the Web for pyrophyllite
Pyrophyllite (hydrated aluminum silicate) resembles talc in some of its properties and is used in much the same way.The Economic Aspect of Geology|C. K. Leith
British Dictionary definitions for pyrophyllite
/ (ˌpaɪrəʊˈfɪlaɪt) /
a white, silvery, or green micaceous mineral that consists of hydrated aluminium silicate in monoclinic crystalline form and occurs in metamorphic rocks. Formula: Al 2 Si 4 O 10 (OH) 2
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