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: D2 _database_code_amcsd 0005235 9.7634 8.9488 5.2504 90 105.726 90 C2/c atom x y z occ Biso MgM1 0 .9090 .25 .82 .37 FeM1 0 .9090 .25 .18 .37 CaM2 0 .2999 .25 .635 SiT .2875 .0928 .2323 .349 O1 .1162 .0896 .1403 .51 O2 .3610 .2488 .3184 .65 O3 .3520 .0175 .9968 .56