Diopside-ferrian Redhammer G J European Journal of Mineralogy 10 (1998) 439-452 Mossbauer spectroscopy and Rietveld refinement on synthetic ferri-Tschermak's molecule CaFe3+(Fe3+Si)O6 substituted diopside Sample: fts10/#3 _database_code_amcsd 0006721 9.7578 8.9226 5.2639 90 105.886 90 C2/c atom x y z occ Biso CaM2 0 .3017 1/4 .52 MgM1 0 .9082 1/4 .906 .41 FeM1 0 .9082 1/4 .094 .41 SiT .2859 .0938 .2282 .95 .46 FeT .2859 .0938 .2282 .05 .46 O1 .1169 .0876 .1423 .28 O2 .3617 .2494 .3202 .5 O3 .3511 .0187 .9966 .6