Margaritasite Appleman D E, Evans H T American Mineralogist 50 (1965) 825-842 The crystal structures of synthetic anhydrous carnotite, K2(UO2)2V2O8, and its cesium analogue, Cs2(UO2)2V2O8 _database_code_amcsd 0000135 10.51 8.45 7.32 90 106.08 90 P2_1/a atom x y z Biso Cs .6358 .7681 .4576 1.46 U .6813 .4795 .9873 .20 V .9440 .6495 .8959 .02 O1 .6238 .4382 .7415 1.28 O2 .7406 .5226 .2330 .91 O3 .5098 .6525 .9667 .22 O4 .9347 .6342 .6603 1.42 O5 .8953 .4424 .9820 .63 O6 .7786 .7077 .9418 .75