a white, crystalline compound, CaF2, insoluble in water, occurring in nature as the mineral fluorite: used as a flux in metallurgy and as a decay preventive in dentifrices.
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How to use calcium fluoride in a sentence
calcium fluoride must be first converted into sulphate by evaporation in a platinum dish with sulphuric acid.A Textbook of Assaying: For the Use of Those Connected with Mines. | Cornelius Beringer and John Jacob Beringer
Fluorine is frequently met with as calcium fluoride or fluor-spar (CaF2).A Textbook of Assaying: For the Use of Those Connected with Mines. | Cornelius Beringer and John Jacob Beringer
While the arcs with plain carbons are bluish-white, those with carbons containing calcium fluoride have a notable golden glow.Edison, His Life and Inventions | Frank Lewis Dyer and Thomas Commerford Martin
A number of the fluorides are known, but only one of them, calcium fluoride (CaF2), is of importance.An Elementary Study of Chemistry | William McPherson
Milky glass is made by mixing calcium fluoride, tin oxide, or some other insoluble substance in the melted glass.An Elementary Study of Chemistry | William McPherson