AM_Morinite
Formula: Ca2 Al2 Na P2 O11 F4 H5
Name: Morinite
Unit cell: 9.454 10.692 5.444 90.0 105.5 90.0 , V=530.28
Space group: P121/M1 (11)

Hawthorne F C , The Canadian Mineralogist , 17 (1979) p.93-102, The crystal structure of morinite