Olivine Miyake M, Nakamura H, Kojima H, Marumo F American Mineralogist 72 (1987) 594-598 Cation ordering in Co-Mg olivine solid-solution series Sample: Co15 _database_code_amcsd 0001089 4.779 10.277 5.995 90 90 90 Pbnm atom x y z occ U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) Co1 0 0 0 .816 .0044 .0061 .0044 .0000 -.0006 -.0011 Mg1 0 0 0 .184 .0044 .0061 .0044 .0000 -.0006 -.0011 Co2 .9909 .2765 .25 .589 .0054 .0042 .0049 .0002 0 0 Mg2 .9909 .2765 .25 .411 .0054 .0042 .0049 .0002 0 0 Si .4278 .0948 .25 .0034 .0042 .0043 .0001 0 0 O1 .7670 .0925 .25 .0040 .0071 .0061 .0003 0 0 O2 .2154 .4481 .25 .0060 .0042 .0070 -.0002 0 0 O3 .2810 .1640 .0335 .0060 .0077 .0054 .0003 -.0004 .0018