smithsonite

[ smith-suh-nahyt ]
/ ˈsmɪθ səˌnaɪt /
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noun Mineralogy.

a native carbonate of zinc, ZnCO3, that is an important ore of the metal.

Origin of smithsonite

1825–35; named after J. Smithson (who distinguished it from calamine); see -ite1
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British Dictionary definitions for smithsonite

smithsonite

/ (ˈsmɪθsəˌnaɪt) /

noun

a white mineral consisting of zinc carbonate in hexagonal crystalline form: occurs chiefly in dry limestone regions and is a source of zinc. Formula: ZnCO 3Also called (US): calamine

Word Origin for smithsonite

C19: named after James Smithson
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012