Hypertext Webster Gateway: "Smithsonite"
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}.
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