AM_Diopside-ferrian Formula: Ca Mg.906 Fe.194 Si1.9 O6 Name: Diopside-ferrian Unit cell: 9.7578 8.9226 5.2639 90.0 105.886 90.0 , V=440.80 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: fts10/#3