AM_Diopside_52 Formula: (Mg.984 Fe.016) Ca (Si1.922 Al.078) O6 Name: Diopside Unit cell: 9.7501 8.9207 5.2593 90.0 105.897 90.0 , V=439.95 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: P1 - 9.9% olivine Rietveld