AM_Chlorapatite
Formula: Ca5 P3 O12 Cl.88 F.12
Name: Chlorapatite
Unit cell: 9.598 9.598 6.776 90.0 90.0 120.0 , V=540.59
Space group: P63/M (176)

Hughes J M , Cameron M , Crowley K D , American Mineralogist , 74 (1989) p.870-876, Structural variations in natural F, OH, and Cl apatites, Locality: Kragero, Norway