eucryptite

noun

eu·​cryp·​tite

yüˈkripˌtīt

plural -s

: a mineral LiAlSiO₄ consisting of a colorless or white lithium aluminum silicate occurring in hexagonal crystals (specific gravity 2.67)

Word History

Etymology

Greek eukryptos easily hidden (from eu- + kryptos hidden) + English -ite

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