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scheelite

[shey-lahyt, shee-] /ˈʃeɪ laɪt, ˈʃi-/
noun, Mineralogy
1.
calcium tungstate, CaWO 4 , usually occurring in tetragonal crystals: an important ore of tungsten.
Origin of scheelite
1830-1840
1830-40; < German Scheelit, named after K. W. Scheele, who first isolated tungstic acid; see -ite1
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Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for scheelite
  • However the company was credited with the discovery of scheelite, a tungsten deposit of commercial importance.
  • scheelite and wolframite are the principal minerals currently mined for tungsten.
  • scheelite was hand picked with the use of ultra-violet lights.
  • Two kinds of tungsten-bearing mineral rocks, called wolframite and scheelite, are mined commercially.
  • There is thus no scheelite recovery process or pyrolusite concentration technique per se.
British Dictionary definitions for scheelite

scheelite

/ˈʃiːlaɪt/
noun
1.
a white, brownish, or greenish mineral, usually fluorescent, consisting of calcium tungstate in tetragonal crystalline form with some tungsten often replaced by molybdenum: occurs principally in contact metamorphic rocks and quartz veins, and is an important source of tungsten and purified calcium tungstate. Formula: CaWO4
Word Origin
C19: from German Scheelit, named after Karl Wilhelm Scheele (1742–86), Swedish chemist
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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