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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.

Nearby words

  1. wolfman,
  2. wolfram,
  3. wolfram von eschenbach,
  4. wolframate,
  5. wolframic,
  6. wolfsbane,
  7. wolfsburg,
  8. wollaston,
  9. wollaston lake,
  10. wollaston wire
Also wolfram.

Origin of wolframite

First recorded in 1865–70; wolfram + -ite1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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