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Scheelite is a calcium tungstate mineral. It is an important ore of tungsten. Well-formed crystals are sought by collectors and are occasionally fastened into gemstones when suitably free of flaws. Scheelite has been synthesized via the Czochralski process; the material produced may be used to imitate diamond, as a scintillator, or as a solid state lasing medium.
CaWO4 - Calcium Tungstate
Class:
Subclass:
Colorless, gray-white, yellow-brown, orange, red, greenish.
White
Greasy to adamantine
Translucent
6.1
4.5 - 5
Good
Conchoidal to uneven
Pseudo-octahedral crystals, granular, massive
Blue-white
Frequency:
Abundant
Origin:
Magmatic in pegmatites, hydrothermal in greisens and metamorphic; parageneses vary significantly according to the origin.
Occurence:
Natas, Namibia; Pribram, Czech Republic; Taewha and Tongwha, Korea; China
Application:
Tungsten ore, mineral specimen

 
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