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smithsonite |
1 definition found From Webster's Revised Unabridged Dictionary (1913) [web1913]: Smithsonite \Smith"son*ite\, n. [See {Smithsonian}.] (Min.) Native zinc carbonate. It generally occurs in stalactitic, reniform, or botryoidal shapes, of a white to gray, green, or brown color. See Note under {Calamine}.