AM_Ahlfeldite_1 Formula: (Ni.6 Co.4) Se O5 H4 Name: Ahlfeldite Unit cell: 6.4681 8.7816 7.5668 90.0 98.927 90.0 , V=424.59 Space group: P121/N1 (14)

Larranaga A , Mesa J L , Pizarro J L , Pena A , Chapman J P , Arriortua M I , Rojo T , Materials Research Bulletin , 40 (2005) p.781-793, Thermal, spectroscopic and magnetic properties of the CoxNi1-x(SeO3)*2H2O, (x = 0, 0.4, 1) phases crystal structure of Co0.4Ni0.6(SeO3)*2H2O, Locality: synthetic