bornite Hear it!

bornite definition

born·ite (bôr′nīt′)

noun

a reddish-brown, soft, brittle, cubic mineral, copper iron sulfide, CuFeS, an ore of copper that tarnishes to a dark purplish color when it is fractured

Etymology: after Ignaz von Born (1742-91), Austrian metallurgist

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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