xenoblastic

xenoblast

[zen-uh-blast, zee-nuh-]
noun Mineralogy.
a crystal that forms in metamorphic rock and gets its outline from neighboring crystals.

xenoblastic, adjective
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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American Heritage
Science Dictionary
xenoblast   (zěn'ə-blāst', zē'nə-)  Pronunciation Key 
A mineral that has not developed its characteristic crystalline faces and that has formed in a rock that has undergone metamorphism.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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