AM_Hannayite Formula: N2 H28 Mg3 P4 O24 Name: Hannayite Unit cell: 10.728 7.67 6.702 97.87 96.97 104.74 , V=521.23 Space group: P-1 (2)

Catti M , Franchini-Angela M , Acta Crystallographica, Section B , 32 (1976) p.2842-2848, Hydrogen bonding in the crystalline state. Structure of Mg3(NH4)2(HPO4)4*8H2O, (hannayite), and crystal-chemical relationships with schertelite and struvite, Locality: synthetic