Diopside Tribaudino M, Nestola F, Ohashi H European Journal of Mineralogy 17 (2005) 297-304 High temperature single crystal investigation in a clinopyroxene of composition (Na0.5Ca0.5)(Cr0.5Mg0.5)Si2O6 Sample: T = 400 C, 2-theta <= 50 Note: Sample is exactly intermediate between diopside and kosmochlor _database_code_amcsd 0007096 9.682 8.874 5.274 90 106.53 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) NaM2 0 .3015 .25 .5 .0254 .033 .019 .019 0 .000 0 CaM2 0 .3015 .25 .5 .0254 .033 .019 .019 0 .000 0 CrM1 0 .9061 .25 .5 .0122 .013 .013 .010 0 .0027 0 MgM1 0 .9061 .25 .5 .0122 .013 .013 .010 0 .0027 0 Si .2886 .0922 .2302 .0111 .0108 .013 .0098 -.0003 .0036 -.0012 O1 .1146 .0812 .1393 .015 .011 .021 .014 -.002 .004 -.001 O2 .3595 .2524 .3077 .020 .025 .018 .017 -.005 .006 -.003 O3 .3507 .0124 .0008 .014 .014 .018 .014 .002 .007 -.007