AM_Ca5(PO4)3Br Formula: Ca4.922 P2.896 O11.965 Br1.012 Name: Ca5(PO4)3Br Unit cell: 9.761 9.761 6.739 90.0 90.0 120.0 , V=556.05 Space group: P63/M (176)

Elliott J C , Dykes E , Mackie P E , Acta Crystallographica, Section B , 37 (1981) p.435-438, Structure of bromapatite and the radius of the bromide ion