1 pyrophyllite | Definition of pyrophyllite
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pyrophyllite

noun
py·​ro·​phyl·​lite | \ ˌpī-rō-ˈfi-ˌlīt How to pronounce pyrophyllite (audio) , pī-ˈrä-fə-ˌlīt How to pronounce pyrophyllite (audio) \

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

First Known Use of pyrophyllite

1830, in the meaning defined above

History and Etymology for pyrophyllite

German Pyrophyllit, from Greek pyr- + phyllon leaf — more at blade

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More from Merriam-Webster on pyrophyllite

Britannica.com: Encyclopedia article about pyrophyllite

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