Forsterite Miyake M, Nakamura H, Kojima H, Marumo F American Mineralogist 72 (1987) 594-598 Cation ordering in Co-Mg olivine solid-solution series Sample: Co05 _database_code_amcsd 0001087 4.765 10.225 5.986 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 .316 .0040 .0063 .0045 -.0002 -.0005 -.0011 Mg1 0 0 0 .684 .0040 .0063 .0045 -.0002 -.0005 -.0011 Co2 .9911 .2770 .25 .085 .0049 .0042 .0054 .0003 0 0 Mg2 .9911 .2770 .25 .915 .0049 .0042 .0054 .0003 0 0 Si .4268 .0944 .25 .0029 .0041 .0043 .0001 0 0 O1 .7666 .0923 .25 .0033 .0072 .0058 .0005 0 0 O2 .2186 .4475 .25 .0053 .0044 .0067 .0001 0 0 O3 .2787 .1635 .0334 .0051 .0068 .0052 .0004 -.0002 .0016