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zoisite |
1 definition found From Webster's Revised Unabridged Dictionary (1913) [web1913]: Zoisite \Zois"ite\, n. [After its discoverer, Von Zois, an Austrian mineralogist.] (Min.) A grayish or whitish mineral occurring in orthorhombic, prismatic crystals, also in columnar masses. It is a silicate of alumina and lime, and is allied to epidote.