AM_Diopside_60 Formula: (Mg.962 Fe.038) Ca (Si1.922 Al.078) O6 Name: Diopside Unit cell: 9.747 8.914 5.259 90.0 105.9 90.0 , V=439.45 Space group: C12/C1 (15)

Liang J , Hawthorne F C , The Canadian Mineralogist , 32 (1994) p.541-552, Characterization of fine-grained mixtures of rock-forming minerals by Rietveld, structure refinement: olivine + pyroxene, Sample: P9 - 89.6% olivine Rietveld