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gahnite

 - 2 dictionary results

gahn⋅ite

  [gah-nahyt]
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–noun
a dark-green to black mineral of the spinel group, zinc aluminate, ZnAl2O4.
Also called zinc spinel.

Origin:
1800–10; named after J. G. Gahn (1745–1818), Swedish chemist; see -ite 1
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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gahn·ite   (gä'nīt')   
n.  A dark green to brown or black mineral, ZnAl2O4. Also called zinc spinel.

[After Johan Gottlieb Gahn (1745-1818), Swedish mineralogist.]
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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