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: D3 _database_code_amcsd 0005236 9.7730 8.9523 5.2524 90 105.676 90 C2/c atom x y z occ Biso MgM1 0 .9080 .25 .74 .37 FeM1 0 .9080 .25 .26 .37 CaM2 0 .3000 .25 .635 SiT .2873 .0932 .2323 .349 O1 .1169 .0912 .1453 .51 O2 .3623 .2488 .3227 .65 O3 .3505 .0178 .9980 .56