AM_Lazulite
Formula: Mg Al2 P2 O10 H2
Name: Lazulite
Unit cell: 7.16 7.26 7.24 90.0 120.67 90.0 , V=323.70
Space group: P121/C1 (14)

Lindberg M L , Christ C L , Acta Crystallographica , 12 (1959) p.695-697, Crystal structures of the isostructural minerals lazulite,, scorzalite and barbosalite