AM_Diopside_68 Formula: Ca.62 Na.136 Fe.27 Mg.721 Mn.005 Al.445 Ti.036 Cr.001 Si1.766 O6 Name: Diopside Unit cell: 9.69 8.837 5.276 90.0 106.71 90.0 , V=432.71 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: Fr-3, Locality: Victoria, Australia