AM_Ba(NpO2)(PO4)(H2O) Formula: Ba Np P O7 H2 Name: Ba(NpO2)(PO4)(H2O) Unit cell: 6.905 7.108 13.321 90.0 105.02 90.0 , V=631.47 Space group: P121/N1 (14)

Forbes T Z , Burns P C , American Mineralogist , 91 (2006) p.1089-1093, Ba(NpO2)(PO4)(H2O), its relationship to the uranophane group, and implications, for Np incorporation in uranyl minerals