CaCoSi2O6 Mantovani L, Tribaudino M, Mezzadri F, Calestani G, Bromiley G American Mineralogist 98 (2013) 1241-1252 The structure of (Ca,Co)CoSi2O6 pyroxenes and the Ca-M2+ substitution in (Ca,M2+)M2+Si2O6 pyroxenes (M2+=Co,Fe,Mg) Sample: Ca0.8Co0.2 Locality: synthetic _database_code_amcsd 0019911 9.794 8.953 5.243 90 105.66 90 C2/c atom x y z occ Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) CaM2 0 .3012 .25 .80 .0072 .0096 .0048 .0052 0 -.0013 0 CoM2 0 .2722 .25 .20 .0241 CoM1 0 .90729 .25 .00614 .0067 .0056 .0057 0 .00113 0 Si .28801 .09234 .23231 .00515 .0054 .0046 .0054 -.00044 .0013 -.00049 O1 .11780 .08846 .1473 .0071 .0055 .0076 .0080 .0005 .0015 .0003 O2 .36175 .24860 .3239 .0103 .0125 .0073 .0115 -.0029 .0043 -.0015 O3 .35101 .01981 .9949 .0080 .0072 .0103 .0068 .0002 .0026 -.0021