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wolframite in British English
(ˈwʊlfrəˌmaɪt)
noun
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
wolframite in American English
(ˈwʊlfrəˌmaɪt)
noun
a semihard, heavy, dark-colored, monoclinic mineral, (Fe,Mn)WO4, the chief ore of tungsten; iron manganese tungstate
Word origin
Ger wolframit: see wolframImage ofwolframite
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