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euclase |
1 definition found From Webster's Revised Unabridged Dictionary (1913) [web1913]: Euclase \Eu"clase\n. [Gr. ? well easily + ? to break. Cf F. euclase, G. euklas See named from its brittleness.] (Min.) A brittle gem occurring in light green, transparent crystals, affording a brilliant clinodiagonal cleavage. It is a silicate of alumina and glucina.