wolframite
[ woo l-fruh-mahyt, vawl- ]
/ ˈwʊl frəˌmaɪt, ˈvɔl- /
noun
a mineral, iron manganese tungstate, (Fe,Mn)WO4, occurring in heavy grayish-black to brownish-black tabular or bladed crystals: an important ore of tungsten.
Words nearby wolframite
wolfman, wolfram, wolfram von eschenbach, wolframate, wolframic, wolframite, wolfsbane, wolfsburg, wollaston, wollaston lake, wollaston wire
Also wolfram.
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
Examples from the Web for wolframite
Before the war nearly half of the world's supply of tungsten ore (wolframite) came from Burma.
Creative Chemistry|Edwin E. Slosson
British Dictionary definitions for wolframite
wolframite
/ (ˈwʊlfrəˌmaɪt) /
noun
a black to reddish-brown mineral consisting of tungstates of iron and manganese in monoclinic crystalline form: it occurs mainly in quartz veins and is the chief ore of tungsten. Formula: (Fe,Mn)WO 4
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012