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.
Also
wolfram.
Words nearby wolframite
wolfman,
wolfram,
wolfram von eschenbach,
wolframate,
wolframic,
wolframite,
wolfsbane,
wolfsburg,
wollaston,
wollaston lake,
wollaston wire
Example sentences 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