AM_Diopside-ferrian_2 Formula: Ca Mg.805 Fe.445 Si1.75 O6 Name: Diopside-ferrian Unit cell: 9.7724 8.9176 5.2837 90.0 105.881 90.0 , V=442.88 Space group: C12/C1 (15)
Redhammer G J , European Journal of Mineralogy , 10 (1998) p.439-452, Mossbauer spectroscopy and Rietveld refinement on synthetic, ferri-Tschermak s molecule CaFe3+(Fe3+Si)O6 substituted diopside, Sample: fts20/#2