Uranophane_1 Formula: U2 Si2 O16 Ca H8 Name: Uranophane Unit cell: 15.858 6.985 6.641 90.0 97.55 90.0 , V=729.23 Space group: P1211 (4)
Stohl F V , Smith D K , American Mineralogist , 66 (1981) p.610-625, The crystal chemistry of the uranyl silicate minerals, Note: signs of y and z are changed for many of the atoms