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: P6 - 59.9% olivine Rietveld _database_code_amcsd 0005391 9.7464 8.9163 5.2562 90 105.897 90 C2/c atom x y z occ Biso MgM1 0 .907 .25 .990 .38 FeM1 0 .907 .25 .010 .38 CaM2 0 .300 .25 .67 SiT .287 .092 .234 .961 .42 AlT .287 .092 .234 .039 .42 O1 .113 .090 .137 .56 O2 .366 .253 .325 .70 O3 .353 .023 .005 .62