Source : Webster's Revised Unabridged Dictionary (1913)

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 specific
   gravity. It occurs in cleavable masses, and also
   crystallized. Called also {wolfram}.

Source : WordNet®

wolframite
     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}]