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: Di80En20 _database_code_amcsd 0006051 9.7323 8.9152 5.2464 90 106.357 90 C2/c atom x y z occ Biso Ca2 0 .29449 .25 .80 .52 Mg2 0 .29449 .25 .20 .52 Mg1 0 .90659 .25 .47 Si .28784 .09317 .23405 .39 O1 .11572 .08818 .1442 .51 O2 .36344 .24968 .3269 .41 O3 .34865 .01881 -.0021 .65