AM_Diopside_109 Formula: Ca.654 Na.078 Mg.957 Fe.126 Mn.004 Al.288 Ti.01 Cr.041 Si1.863 O6 Name: Diopside Unit cell: 9.692 8.853 5.265 90.0 106.76 90.0 , V=432.56 Space group: C12/C1 (15)

Salviulo G , Princivalle F , Demarchi G , Fabro C , Physics and Chemistry of Minerals , 19 (1992) p.213-219, Effects of Ca-Mg substitution in C2/c pyroxene structure on, natural clinopyroxenes from spinel peridotite nodules (Pico Cabugi, Brazil), Sample: PC126, Locality: sample from Pico Cabugi, Brazil