euclase

euclase Definition

eu·clase (yo̵̅o̅′klās′)

noun

a very hard, brittle, monoclinic mineral, hydrous beryllium aluminum silicate, BeAlSiO(OH), sometimes used as a gem

Etymology: Fr < eu- (see eu-) + Gr klasis, a breaking < klan, to break (see clastic): so named from breaking easily

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