Leucophanite Grice J D, Hawthorne F C The Canadian Mineralogist 27 (1989) 193-197 Refinement of the crystal structure of leucophanite _database_code_amcsd 0005227 7.401 7.412 9.990 90 90 90 P2_12_12_1 atom x y z U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) Na .1021 .6782 .2465 .0180 .0250 .0171 .0052 .0045 -.0064 Ca .0788 .6462 .7599 .0116 .0089 .0091 .0021 .0006 .0025 Be .1200 .3592 .5307 .0030 .0004 .0049 .0000 .0000 .0000 Si1 .1000 .3580 .0241 .0066 .0073 .0091 .0000 .0000 -.0002 Si2 .2371 .9917 .9994 .0068 .0069 .0098 .0003 -.0011 -.0005 O1 .0912 .3548 .8645 .0129 .0096 .0090 .0011 .0017 .0003 O2 .1483 .1580 .0895 .0124 .0067 .0110 .0009 .0013 .0001 O3 .0986 .9136 .4111 .0077 .0116 .0109 -.0009 .0008 .0000 O4 .0800 .9129 .9030 .0065 .0114 .0116 -.0008 -.0015 -.0029 O5 .1769 .1626 .5935 .0115 .0066 .0110 .0010 .0031 -.0014 O6 .2553 .5076 .5892 .0099 .0104 .0101 -.0006 .0028 .0020 F .1216 .3526 .3729 .0162 .0191 .0123 -.0003 .0001 -.0018