noun Mineralogy.

a rare, transparent variety of spodumene, colored yellow-green to emerald-green by chromium: used as a gem.

Origin of hiddenite

after William E. Hidden (1853–1918), U.S. mineralogist, who discovered it in 1879; see -ite1
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British Dictionary definitions for hiddenite



a green transparent variety of the mineral spodumene, used as a gemstone

Word Origin for hiddenite

C19: named after W. E. Hidden (1853–1918), American mineralogist who discovered it
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