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gahnite

[gah-nahyt] /ˈgɑ naɪt/
noun
1.
a dark-green to black mineral of the spinel group, zinc aluminate, ZnAl 2 O 4 .
Also called zinc spinel.
Origin
1800-1810
1800-10; named after J. G. Gahn (1745-1818), Swedish chemist; see -ite1
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for gahnite

gahnite

/ˈɡɑːnaɪt/
noun
1.
a dark green mineral of the spinel group consisting of zinc aluminium oxide. Formula: ZnAl2O4
Word Origin
C19: named after J. G. Gahn (1745–1818), Swedish chemist; see -ite1
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
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