AM_Diopside_73 Formula: Ca.688 Na.187 Fe.258 Mg.656 Mn.003 Al.32 Ti.04 Cr.002 Si1.846 O6 Name: Diopside Unit cell: 9.706 8.861 5.275 90.0 106.38 90.0 , V=435.26 Space group: C12/C1 (15)

Dal Negro A , Manoli S , Secco L , Piccirillo E M , European Journal of Mineralogy , 1 (1989) p.105-121, Megacrystic clinopyroxenes from Victoria (Australia):, Crystal chemical comparisons of pyroxenes from high and low pressure regimes, Sample: Me-9, Locality: Victoria, Australia