Wolframite meaning

wo͝ol'frə-mīt'
Any of several red-brown to black minerals with the general formula (Fe,Mn)WO4 , which constitute a major source of tungsten.
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A semihard, heavy, dark-colored, monoclinic mineral, (Fe,Mn)WO4, the chief ore of tungsten; iron manganese tungstate.
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(mineralogy) A mineral that consists of a tungstate of iron and manganese; (Fe,Mn)WO4.
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Origin of wolframite