Cerium(III) fluoride (or cerium trifluoride), CeF3, is an ionic compound of the rare earth metal cerium and fluorine.
It appears as a mineral in the form of fluocerite-(Ce).
Molar mass： 197.12 g/mol
Density： 6.16 g/cm3 (at 20 °C)
Melting point： 1,460 °C (2,660 °F; 1,730 K)