augite
a silicate mineral, chiefly of calcium, magnesium, iron, and aluminum: a dark-green to black variety of monoclinic pyroxene, characteristic of basic rocks.
Origin of augite
1Other words from augite
- au·git·ic [aw-jit-ik], /ɔˈdʒɪt ɪk/, adjective
Words Nearby augite
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
How to use augite in a sentence
With the exception of quartz and augite, these names are, however, representatives of different classes of minerals.
Elements of Agricultural Chemistry | Thomas AndersonIn the same flow hypersthene-andesite may occur in one portion, while in close proximity the lava is an augite-andesite.
Mount Rainier | VariousIn the more basic phases anhedrons of augite and of olivine appear, and magnetite grains are usually present.
Mount Rainier | VariousOn the spurs west of Nisqually Glacier the andesites contain both pyroxenes, the augite being somewhat the more important.
Mount Rainier | VariousBelow this were strata of trachitic breccia and augite; the formation was then seamy to an unknown depth.
British Dictionary definitions for augite
/ (ˈɔːɡaɪt) /
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) 2 O 6 . Crystal structure: monoclinic
Origin of augite
1Derived forms of augite
- augitic (ɔːˈɡɪtɪk), adjective
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
Scientific definitions for 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 © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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