Loparite-(Ce) Mitchell R H, Burns P C, Chakhmouradian A R The Canadian Mineralogist 38 (2000) 145-152 The crystal structures of loparite-(Ce) Sample: Loparite L Locality: Lovozero complex, Russia _database_code_amcsd 0005640 5.5022 5.5084 7.7767 90 90 90 I4/mcm atom x y z occ Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) Na 0 .5 .25 .46 .0197 .0196 .0196 .0200 0 0 0 La 0 .5 .25 .09 .0197 .0196 .0196 .0200 0 0 0 Ce 0 .5 .25 .18 .0197 .0196 .0196 .0200 0 0 0 Pr 0 .5 .25 .02 .0197 .0196 .0196 .0200 0 0 0 Nd 0 .5 .25 .05 .0197 .0196 .0196 .0200 0 0 0 Ca 0 .5 .25 .13 .0197 .0196 .0196 .0200 0 0 0 Sr 0 .5 .25 .05 .0197 .0196 .0196 .0200 0 0 0 Ti 0 0 0 .87 .0122 .0127 .0127 .0113 0 0 0 Nb 0 0 0 .13 .0122 .0127 .0127 .0113 0 0 0 O1 0 0 .25 .0641 .0856 .0856 .0210 0 0 0 O2 .2828 .7828 0 .0438 .0261 .0261 .0792 .0053 0 0