100.00 % 100.00 % = TOTAL OXIDE Empirical Formula: Al 2 Si 4 O 10 (OH) 2 Environment: Somewhat uncommon, found both in hydrothermal veins and in bedded deposits in schistose metamorphic rocks. IMA Status: Valid Species (Pre-IMA) 1829 Locality: Tres Cerritos, California, USA; Pyschminsk and Beresovsk, Ural Mountains, Russia. Link to …
view more2022131 · Substitutes: Substitutes for talc include bentonite, chlorite, feldspar, kaolin, and pyrophyllite in ceramics; chlorite, kaolin, and mica in paint; calcium carbonate and kaolin in paper; bentonite, kaolin, mica, and wollastonite in plastics; and kaolin and mica in rubber.
view more2022124 · The differences between pyrophyllite and. talc in the near – infrared (NIR) region a re clear in the 4000 – 4700 cm– region, and pyrophyllite ex-. hibits an intense peak a round 4615 cm ...
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view more2021121 · Furthermore, pyrophyllite can replace talc in many applications, especially as a filler pharmaceutical and medical applications, since pyrophyllite is safe and free from associated toxic minerals such as asbestos [14]. Determining the market price of pyrophyllite depends on the mineral’s Al2O3content and the presence of impurities (Table1) [15].
view moreDownload scientific diagram | Pyrophyllite (a) and talc (b) structures projected along [001]. The gray sphere represents the (OH) group from publication: Ab initio quantum-mechanical modeling of ...
view more201931 · Detailed Description. Two page data sheet (PDF) on talc and pyrophyllite extracted from Mineral Commodity Summaries 2019.
view moreElastic behaviour and phase stability of pyrophyllite and talc at high pressure and temperature G. Gatta P. Lotti +4 authors A. Pavese Materials Science, Physics Physics and Chemistry of Minerals 2014 The compressional behaviour of (triclinic) pyrophyllite-1Tc was investigated by means of in situ synchrotron single-crystal diffraction up to 6.2 GPa (at …
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