augite Hear it!

augite definition

au·gite (ô′jīt′)

noun

any of various dark-colored, hard, monoclinic pyroxenes, (Ca, Na) (Mg, Fe, Al) (Si, Al)O, found in basic igneous rocks

Etymology: L augites < Gr augitēs, a precious stone < augē, sunlight, brightness < IE base *aug-, to gleam

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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