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