Diopside Raudsepp M, Hawthorne F C, Turnock A C The Canadian Mineralogist 28 (1990) 93-109 Evaluation of the Rietveld method for the characterization of fine-grained products of the mineral synthesis: the diopside-hedenbergite join Sample: D0 _database_code_amcsd 0005234 9.7470 8.9235 5.2524 90 105.939 90 C2/c atom x y z occ Biso MgM1 0 .9071 .25 .37 CaM2 0 .2995 .25 .89 .635 MgM2 0 .2995 .25 .11 .635 SiT .2857 .0943 .2312 .349 O1 .1144 .0900 .1420 .51 O2 .3619 .2516 .3176 .65 O3 .3499 .0185 .9974 .56