AM_Zanazziite Formula: Ca (Mg1.4 Fe.6) Al.67 Be2 P3 O17 H7 Name: Zanazziite Unit cell: 15.874 11.854 6.605 90.0 95.43 90.0 , V=1237.29 Space group: C12/C1 (15)

Fanfani L , Nunzi A , Zananni P F , Zanzari A R , Tschermaks Mineralogische und Petrographische Mitteilungen , 22 (1975) p.266-277, The crystal structure of roscherite, Locality: Lavra da Ilha, Taquaral, Minas Gerais, Brazil