AM_Zanazziite_1 Formula: Ca Mg1.61 Fe.97 Al.26 Mn.18 Be2 P3 O17 H6.5 Name: Zanazziite Unit cell: 15.876 11.86 6.607 90.0 95.49 90.0 , V=1238.32 Space group: C12/C1 (15)

Rastsvetaeva R K , Rozenberg K A , Chukanov N V , Mockel S , Crystallography Reports , 54 (2009) p.568-571, The crystal structure of an iron-rich variety of zanazziite belonging to, heteropolyhedral framework roscherite-group beryllophosphates, Locality: Sapucaia mine, Minas Gerais, Brazil