CoMgSiO4 Rinaldi R, Gatta G D, Artioli G, Knight K S, Geiger C A Physics and Chemistry of Minerals 32 (2005) 655-664 Crystal chemistry, cation ordering and thermoelastic behavior of CoMgSiO4 olivine at high temperature as studied by in situ neutron powder diffraction Sample: T = 800 C _database_code_amcsd 0009015 4.81065 10.37135 6.06168 90 90 90 Pbnm atom x y z occ Uiso Co1 0 0 0 .694 .01308 Mg1 0 0 0 .306 .01308 Co2 .9874 .28007 .25 .306 .01814 Mg2 .9874 .28007 .25 .694 .01814 Si .4250 .09449 .25 .01201 O1 .7643 .09452 .25 .01703 O2 .2178 .44985 .25 .01979 O3 .28001 .16484 .03481 .02008