wolframite

[wool-fruh-mahyt, vawl-]

wolf·ram·ite

[wool-fruh-mahyt, vawl-]
noun
a mineral, iron manganese tungstate, (Fe,Mn)WO4, occurring in heavy grayish-black to brownish-black tabular or bladed crystals: an important ore of tungsten.
Also, wolfram.


Origin:
1865–70; wolfram + -ite1
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Wolframite is always a great word to know.
So is flibbertigibbet. Does it mean:
the offspring of a zebra and a donkey.
a chattering or flighty, light-headed person.
Collins
World English Dictionary
wolframite (ˈwʊlfrəˌmaɪt)
 
n
a black to reddish-brown mineral consisting of tungstates of iron and manganese in monoclinic crystalline form: it occurs mainly in quartz veins and is the chief ore of tungsten. Formula: (Fe,Mn)WO4

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Encyclopedia Britannica
Encyclopedia

wolframite

chief ore of tungsten, commonly associated with tin ore in and around granite. Such occurrences include Cornwall, Eng.; northwestern Spain and northern Portugal; eastern Germany; Myanmar (Burma); the Malay Peninsula; and Australia.

Learn more about wolframite with a free trial on Britannica.com.

Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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