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Definition of Pyrophyllite
1. Noun. A white or greenish aluminum silicate mineral (resembles talc).
Definition of Pyrophyllite
1. n. A mineral, usually of a white or greenish color and pearly luster, consisting chiefly of the hydrous silicate of alumina.
Definition of Pyrophyllite
1. Noun. (minerology) A soft, pale aluminosilicate mineral, somewhat resembling talc. ¹
¹ Source: wiktionary.com
Definition of Pyrophyllite
1. [n -S]
Lexicographical Neighbors of Pyrophyllite
Literary usage of Pyrophyllite
Below you will find example usage of this term as found in modern and/or classical literature:
1. General Economic Geology: A Textbook by William Harvey Emmons (1922)
"2 PRATT, JH: Talc and pyrophyllite Deposits in North Carolina. NC Geol. Survey Econ.
Paper, NO. 3, pp. 7-29, 1900. ' DILLER, JS: Talc and Soapstone. ..."
2. Proceedings of the Good Roads Institute, Held at the University of North by University of North Carolina (1793-1962) (1897)
"The production of talc is included with that of pyrophyllite. ... Although pyrophyllite
probably cannot be put to all the uses of talc, it can be used for ..."
3. The Non-metallic Minerals: Their Occurrence and Uses by George Perkins Merrill (1904)
"The principal localities furnishing pyrophyllite in any considerable quantities
in the United States are in the extreme north-central portion of Moore ..."
4. Journal of Applied Microscopy by Bausch & Lomb Optical Company (1901)
"... the mineral being decomposed and losing practically \ of its SiO2, as required
by theory. pyrophyllite not proved to be a metasilicate by same test. ..."
5. Edinburgh New Philosophical Journal, Exhibiting a View of the Progressive by Robert Jameson, Sir William Jardine, Henry D Rogers (1830)
"Analysis of pyrophyllite, a New Mineral. By MR HERMANN of Moscow, ... The name
pyrophyllite is given to it on account of iu exfoliation on exposure to heat. ..."
6. The Non-metallic Minerals: Their Occurrence and Uses by George Perkins Merrill (1910)
"... or the entire output in certain cases, is pulverized and used as a lubricant
or white earth, as is the micaceous variety. 13. pyrophyllite ..."
7. Economic Geology of the United States by Heinrich Ries (1907)
"pyrophyllite differs from talc chemically, being a hydrous aluminum silicate,
instead of a magnesium silicate, but when sufficiently free from grit it is ..."
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