andalusite Hear it!

andalusite definition

an·da·lu·site (an′də lo̵̅o̅′sīt′)

noun

a very hard, orthorhombic silicate of aluminum, AlSiO, usually found in schist, slate, or other metamorphic rocks and used to make various high-temperature materials and as a gem

Etymology: after Andalusia, where it was discovered

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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