AM_Fransoletite Formula: Ca3 P4 Be2 O22 H12 Name: Fransoletite Unit cell: 7.3482 15.0522 7.0685 90.0 96.519 90.0 , V=776.77 Space group: P121/A1 (14)

Kampf A R , American Mineralogist , 77 (1992) p.848-856, Beryllophosphate chains in the structures of fransoletite, parafransoletite, and, ehrleite and some general comments on beryllophosphate linkages