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gahnite

[gah-nahyt]
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noun
  1. a dark-green to black mineral of the spinel group, zinc aluminate, ZnAl2O4.
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Origin of gahnite

1800–10; named after J. G. Gahn (1745–1818), Swedish chemist; see -ite1
Also called zinc spinel.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for gahnite

gahnite

noun
  1. a dark green mineral of the spinel group consisting of zinc aluminium oxide. Formula: ZnAl 2 O 4
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Word Origin

C19: named after J. G. Gahn (1745–1818), Swedish chemist; see -ite 1
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