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augite

[aw-jahyt] /ˈɔ dʒaɪt/
noun
1.
a silicate mineral, chiefly of calcium, magnesium, iron, and aluminum: a dark-green to black variety of monoclinic pyroxene, characteristic of basic rocks.
Origin
1780-1790
1780-90; < Latin augītis a kind of precious stone < Greek, equivalent to aug() sunlight + -ītis, feminine of -ītēs -ite1
Related forms
augitic
[aw-jit-ik] /ɔˈdʒɪt ɪk/ (Show IPA),
adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for augite

augite

/ˈɔːɡaɪt/
noun
1.
a black or greenish-black mineral of the pyroxene group, found in igneous rocks. Composition: calcium magnesium iron aluminium silicate. General formula: (Ca,Mg,Fe,Al)(Si,Al)2O6. Crystal structure: monoclinic
Derived Forms
augitic (ɔːˈɡɪtɪk) adjective
Word Origin
C19: from Latin augītēs, from Greek, from augē brightness
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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augite in Science
augite
  (ô'jīt')   
A glassy, dark-green to black variety of pyroxene. Chemical formula: (Ca,Na)(Mg,Fe,Al)(Si,Al)2O6.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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