AM_Monetite
Formula: Ca4 P4 O16 H4
Name: Monetite
Unit cell: 6.91 6.627 6.998 96.34 103.82 88.33 , V=309.28
Space group: P-1 (2)

Catti M , Ferraris G , Filhol A , Acta Crystallographica, Section B , 33 (1977) p.1223-1229, Hydrogen bonding in the crystalline state. CaHPO4 (monetite),, P-1 or P1? A novel neutron diffraction study, Locality: Synthetic