AM_Haiweeite Formula: U Si2.5 Ca.5 O10.5 H13 Name: Haiweeite Unit cell: 7.125 17.937 18.342 90.0 90.0 90.0 , V=2344.13 Space group: CMCM (63)

Burns P C , The Canadian Mineralogist , 39 (2001) p.1153-1160, A new uranyl silicate sheet in the structure of haiweeite and comparison to, other uranyl silicates