Stillwellite-(Ce) Burns P C, Hawthorne F C, MacDonald D J, Ventura G D, Parodi G The Canadian Mineralogist 31 (1993) 147-152 The crystal structure of stillwellite _database_code_amcsd 0005293 6.841 6.841 6.702 90 90 120 P3_1 atom x y z occ Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) Ce .41184 -.00016 0 .49 .0042 .0050 .0040 .0033 .0020 -.0002 -.0002 La .41184 -.00016 0 .35 .0042 .0050 .0040 .0033 .0020 -.0002 -.0002 Nd .41184 -.00016 0 .07 .0042 .0050 .0040 .0033 .0020 -.0002 -.0002 Th .41184 -.00016 0 .05 .0042 .0050 .0040 .0033 .0020 -.0002 -.0002 Pr .41184 -.00016 0 .03 .0042 .0050 .0040 .0033 .0020 -.0002 -.0002 Ca .41184 -.00016 0 .01 .0042 .0050 .0040 .0033 .0020 -.0002 -.0002 Sm .41184 -.00016 0 .01 .0042 .0050 .0040 .0033 .0020 -.0002 -.0002 Si .4167 .0001 -.5008 .0026 .0031 .0040 .0009 .0020 .0000 -.0004 B -.1104 .0005 .0060 .0163 .0041 .0174 .0333 .0097 .0132 .0209 O1 .1416 -.3961 -.0042 .0085 .0114 .0072 .0051 .0033 -.0011 -.0017 O2 .5340 .3949 .0038 .0086 .0149 .0058 .0051 .0050 -.0003 -.0023 O3a -.0037 .0562 -.7825 .0062 .0084 .0063 .0028 .0028 .0017 .0019 O3b .0543 -.0012 .1194 .0062 .0084 .0063 .0028 .0028 .0017 .0019 O4 .6571 -.1945 .0214 .0057 .0060 .0049 .0056 .0022 -.0013 .0018 O5 .8493 .1963 -.0242 .0062 .0075 .0029 .0078 .0024 .0036 .0039