calcium fluoride (fluorspar)

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• Calcium fluoride — Chembox new ImageFileL1 = Calcium fluoride.jpg ImageSizeL1 = 150 px ImageFileR1 = Fluorite unit cell 3D ionic.png ImageSizeR1 = 150 px ImageFile2 = Fluorid vápenatý.png ImageSize2 = IUPACName = OtherNames = Section1 = Chembox Identifiers CASNo =… …   Wikipedia

• calcium fluoride — noun : a salt CaF2 that is colorless when pure and is found in nature chiefly as the mineral fluorite * * * a white, crystalline compound, CaF2, insoluble in water, occurring in nature as the mineral fluorite: used as a flux in metallurgy and as… …   Useful english dictionary

• calcium — /kal see euhm/, n. Chem., Biol. a silver white divalent metal, occurring combined in limestone, chalk, gypsum, etc., occurring also in vertebrates and other animals, as a component of bone, skeletal mass, shell, etc., and as a necessary element… …   Universalium

• fluorspar — noun A halide mineral composed of calcium fluoride. Syn: fluorite …   Wiktionary

• fluorspar — /ˈflʊəspa / (say floouhspah) noun a common mineral, calcium fluoride, CaF2, occurring in colourless, green, blue, purple, and yellow crystals, usually in cubes. It is the principal source of fluorine, and is also used as a flux in metallurgy and… …  

• Hydrogen fluoride — is a chemical compound with the formula HF. It is the principal industrial source of fluorine, often in the aqueous form as hydrofluoric acid, and thus is the precursor to many important compounds including pharmaceuticals and polymers (e.g.… …   Wikipedia

• Fluorine — Fluorine, la. fluorum, meaning to flow ), is the chemical element with the symbol F and atomic number 9. Atomic fluorine is univalent and is the most chemically reactive and electronegative of all the elements. In its elementally isolated (pure)… …   Wikipedia

• fluor — 16c., and old chemistry term for minerals which were readily fusible and useful as fluxes in smelting [Flood], L. fluor, originally meaning a flowing, flow (see FLUENT (Cf. fluent)). Since 1771 applied to minerals containing fluorine, especially… …   Etymology dictionary

• fluorine — /floor een, in, flawr , flohr /, n. Chem. the most reactive nonmetallic element, a pale yellow, corrosive, toxic gas that occurs combined, esp. in fluorite, cryolite, phosphate rock, and other minerals. Symbol: F; at. wt.: 18.9984; at. no.: 9.… …   Universalium

• Fluorite — General Category Halide mineral Chemical formula CaF2 …   Wikipedia

• fluorite — /floor uyt, flawr , flohr /, n. a common mineral, calcium fluoride, CaF2, occurring in green, blue, purple, yellow, or colorless crystals, usually in cubes: the principal source of fluorine, used also as a flux in metallurgy and for ornament.… …   Universalium