Diopside Liang J, Hawthorne F C The Canadian Mineralogist 32 (1994) 541-552 Characterization of fine-grained mixtures of rock-forming minerals by Rietveld structure refinement: olivine + pyroxene Sample: single crystal SC _database_code_amcsd 0005384 9.7429 8.9161 5.2557 90 105.880 90 C2/c atom x y z occ Biso MgM1 0 .90818 .25 .992 .38 FeM1 0 .90818 .25 .008 .38 CaM2 0 .30152 .25 .67 SiT .28645 .09328 .22934 .966 .42 AlT .28645 .09328 .22934 .034 .42 O1 .11533 .08722 .14135 .56 O2 .36136 .25015 .31912 .70 O3 .35085 .01806 .99519 .62