scheelite(redirected from Calcium tungstate)
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A variously colored mineral, CaWO4, found in igneous rocks and used as an ore of tungsten.
[After Carl Wilhelm Scheele.]
(Minerals) 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
[C19: from German Scheelit, named after Karl Wilhelm Scheele (1742–86), Swedish chemist]
scheel•ite(ˈʃeɪ laɪt, ˈʃi-)
a mineral, calcium tungstate-molybdate, Ca(WO4MoO4), occurring in crystals and aggregates: an ore of tungsten.
[1830–40; < German Scheelit= Karl Wilhelm Scheele (1742–86), Swedish chemist, who first isolated tungstic acid + -it -ite1]
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|Noun||1.||scheelite - a mineral used as an ore of tungsten|
atomic number 74, tungsten, W, wolfram - a heavy grey-white metallic element; the pure form is used mainly in electrical applications; it is found in several ores including wolframite and scheelite
mineral - solid homogeneous inorganic substances occurring in nature having a definite chemical composition