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: Di70En30 _database_code_amcsd 0006052 9.7264 8.9133 5.2485 90 106.742 90 C2/c atom x y z occ Biso Ca2 0 .2885 .25 .70 1.14 Mg2 0 .2885 .25 .30 1.14 Mg1 0 .9053 .25 .47 Si .28957 .09409 .2387 .39 O1 .11741 .08969 .1468 .51 O2 .36522 .25009 .3337 .35 O3 .35009 .01811 .0030 .65