AM_Chlorapatite_1 Formula: Ca5 P3 O12.24 Cl.47 F.29 H.24 Name: Chlorapatite Unit cell: 9.4877 18.9628 6.8224 90.0 90.0 119.9739 , V=1063.27 Space group: P1121/B (14)

Hughes J M , Cameron M , Crowley K D , American Mineralogist , 75 (1990) p.295-304, Crystal structures of natural ternary apatites: Solid solution in the, Ca5(PO4)3X (X = F,OH,Cl) system