Scheelite is a calcium tungstate mineral with the chemical formula Ca W O 4.It is an important ore of tungsten . Well formed crystals are sought by collectors and are occasionally fashioned into gemstones when suitably free of flaws.Category: Tungstate mineralCrystal class: Dipyramidal , H M symbol: Solubility: Soluble in alkalis. Insoluble in acidsCrystal system: Tetragonal
Single Scheelite crystal on a matrix of very well developed dodecahedral Magnetite crystals. The Scheelite, with a white color and dipyramidal shape, has very well defined faces and edges, is translucent, bright and has noticeable Molybdenite inclusions that create grayish areas that give the crystal a kind of different fluorescence.
Scheelite is an important ore mineral, and is well known among collectors for its distinctly colored crystals associated with brilliant fluorescence. It forms a series with the rarer mineral Powellite, which contains molybdenum in place of the tungsten. Scheelite is named after the Swedish chemist Karl Wilhelm Scheele .
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