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afwillite

noun
af·​wil·​lite | \ ˈaf-wə-ˌlīt\
plural -s

Definition of afwillite

: a mineral Ca3Si2O4(OH)6 consisting of a hydrous calcium silicate and occurring in colorless monoclinic crystals (specific gravity 2.6)

First Known Use of afwillite

1925, in the meaning defined above

History and Etymology for afwillite

Alpheus Fuller Williams †1953 American mining engineer + -ite entry 1

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