A mineral consisting of iron-manganese tungstate in crystalline form

• The principal ore of tungsten
• Found in quartz veins associated with granitic rocks

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Wolframite \Wol"fram*ite\, n. [G., wolframit, wolfram; wolf wolf + rahm cream, soot; cf. G. wolfsruss wolfram, lit., wolf's soot.] (Min.) Tungstate of iron and manganese, generally of a brownish or grayish black color, submetallic luster, and high ...

Wiktionary Word definitions in Wiktionary
n. (context mineralogy English) A mineral that consists of a tungstate of iron and manganese; (iron,manganese)tungstenoxygen 4 .

WordNet Word definitions in WordNet
n. a mineral consisting of iron-manganese tungstate in crystalline form; the principal ore of tungsten; found in quartz veins associated with granitic rocks [syn: iron manganese tungsten ]

Wikipedia Word definitions in Wikipedia
Wolframite , (Fe,Mn)WO, is an iron manganese tungstate mineral that is the intermediate between ferberite (Fe rich) and hübnerite (Mn rich). Along with scheelite , the wolframite series are the most important tungsten ore minerals. Wolframite is found in ...