Seelite Bachet B, Brassy C Acta Crystallographica C47 (1991) 2013-2015 Structure of Mg[(UO2)(AsO4)]2*4H2O Locality: Talmessi mine, Iran _database_code_amcsd 0010264 18.207 7.062 6.661 90 99.65 90 C2/m atom x y z occ Uiso Mg 0 0 .5 .0334 U .24112 0 .1282 .0218 As .2081 .5 .3242 .0301 O1 .339 0 .206 .0403 O2 .142 0 .053 .0464 O3 .225 0 .457 .0204 O4 .121 .5 .336 .2080 O5 .241 .678 .173 .0336 Wat6 .408 .320 .460 .5 .0419 Wat7 -.020 .77 .26 .5 .1683