Sklodowskite Mokeeva V I Soviet Physics Crystallography 9 (1964) 217-218 The structure of sklodowskite _database_code_amcsd 0015548 16.89 7.01 6.60 90 96.33 90 I2/m atom x y z Biso Mg 0 0 .5 2.5 U .257 0 .120 2.5 Si .218 0 .570 2.5 OSi1 .28 0 .78 2.5 OSi2 .128 0 .627 2.5 OSi3 .235 .187 .44 2.5 OU1 .155 0 .035 2.5 OU2 .355 0 .185 2.5 Wat .020 .21 .30 2.5 WatX .08 .5 .82 2.5