wolframite Hear it!

wolframite definition

wolf·ram·ite (-frə mīt′)

noun

a semihard, heavy, dark-colored, monoclinic mineral, (Fe,Mn)WO, the chief ore of tungsten; iron manganese tungstate

Etymology: Ger wolframit: see wolfram

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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