Diopside Tribaudino M, Nestola F, Meneghini C The Canadian Mineralogist 43 (2005) 1411-1421 Rietveld refinement of clinopyroxenes with intermediate Ca-content along the join diopside-enstatite Locality: synthetic Sample: Di59En41 _database_code_amcsd 0006053 9.7110 8.8935 5.2452 90 107.278 90 C2/c atom x y z occ Biso Ca2 0 .2839 .25 .59 1.33 Mg2 0 .2839 .25 .41 1.33 Mg1 0 .9068 .25 .47 Si .2902 .0929 .2444 .39 O1 .1168 .08933 .1445 .51 O2 .3665 .25055 .3301 .73 O3 .3514 .02117 .0077 .65