Dictionary

pyrophyllite

noun py·ro·phyl·lite \ˌpī-rō-ˈfi-ˌlīt, pī-ˈrä-fə-ˌlīt\

Definition of PYROPHYLLITE

:  a soft usually white or greenish mineral that is a hydrous aluminum silicate, resembles talc, occurs in a foliated form or in compact masses, and is used especially in ceramic wares
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Origin of PYROPHYLLITE

German Pyrophyllit, from Greek pyr- + phyllon leaf — more at blade
First Known Use: 1830

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