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: Co03 _database_code_amcsd 0001086 4.760 10.221 5.984 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 .208 .0032 .0074 .0060 .0001 -.0006 -.0008 Mg1 0 0 0 .792 .0032 .0074 .0060 .0001 -.0006 -.0008 Co2 .9913 .2771 .25 .053 .0039 .0052 .0063 .0003 0 0 Mg2 .9913 .2771 .25 .947 .0039 .0052 .0063 .0003 0 0 Si .4267 .0942 .25 .0021 .0056 .0053 .0002 0 0 O1 .7660 .0920 .25 .0027 .0069 .0065 -.0001 0 0 O2 .2200 .4470 .25 .0036 .0060 .0074 -.0001 0 0 O3 .2783 .1633 .0331 .0043 .0072 .0072 .0003 -.0006 .0018