Wolframite
Pronunciation : Wol"fram*ite
Part of Speech : n.
Etymology : [G., wolframit, wolfram; wolf wolf + rahm cream, soot; cf. G. wolfsruss wolfram, lit., wolf's soot.] (Min.)
Definition : Defn: 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 : Webster's Unabridged Dictionary, 1913