Calcium fluoride Occurring in nature as the mineral fluorite or fluorspar. It is the primary source of fluorine and its compounds. Calcium fluoride appears as odorless gray powder or granules.
Calcium fluoride is the inorganic compound of the elements calcium and fluorine with the formula CaF2. It is a white insoluble solid. It occurs as the mineral fluorite (also called fluorspar), which is often deeply coloured owing to impurities.