Tl[(UO2)(AsO4)](H2O)3 Locock A J, Burns P C, Duke M J M, Flynn T M The Canadian Mineralogist 42 (2004) 973-996 Monovalent cations in structures of the meta-autunite group Sample: TlUAs _database_code_amcsd 0005952 7.1905 7.1905 17.970 90 90 90 *P4/ncc .25 -.25 0 atom x y z occ Uiso U .25 .25 .0529 .016 As .75 .25 0 .018 O1 .25 .25 .1512 .026 O2 .25 .25 .9548 .029 O3 .7191 .0659 .4437 .025 O4 .1707 -.0057 .3133 .252 .063 Tl4 .1707 -.0057 .3133 .748 .063