Dictionary
wolf•ram•ite
Pronunciation: (wool'fru-mīt", vôl'-), [key]—
n.
a mineral, iron manganese tungstate, (Fe,Mn)WO
4, occurring in heavy grayish-black to brownish-black tabular or bladed crystals: an important ore of tungsten.
Also,wolfram.Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.