Formula: Ca.694 Na.052 Mg.997 Fe.123 Mn.003 Al.207 Ti.002 Cr.046 Si1.892 O6
Name: Diopside
Unit cell: 9.709 8.875 5.263 90.0 106.62 90.0 , V=434.55
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: PC138, Locality: sample from Pico Cabugi, Brazil