arsenopyrite Hear it!

arsenopyrite definition

ar·seno·py·rite (är′sə nō′pī′rīt′)

noun

a silvery-white, hard, brittle, monoclinic mineral, FeAsS; iron arsenic sulfide: it is an ore of arsenic found as a twinned crystal in veins of metamorphic rock

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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