AM_Fluellite Formula: Al2 P O12 F2 H17.24 Name: Fluellite Unit cell: 8.546 11.222 21.158 90.0 90.0 90.0 , V=2029.12 Space group: FDDD (70)

Guy B B , Jeffrey G A , American Mineralogist , 51 (1966) p.1579-1592, The crystal structure of fluellite, Al2PO4F2(OH).7H2O