Fluorcaphite is a mineral with the chemical formula (Ca,Sr,Ce,Na)5(PO4)3F. It is found in the Kola Peninsula in Russia. Its crystals are hexagonal (dipyramidal class). It is light to bright yellow and leaves a white streak. It is transparent and has a vitreous luster. It is rated 5 on the Mohs Scale. Fluorcaphite is radioactive.
References
Fluorcaphite Wikipedia(Text) CC BY-SA