AM_Diopside_66 Formula: Ca.646 Na.143 Fe.271 Mg.69 Mn.003 Al.42 Ti.044 Si1.783 O6 Name: Diopside Unit cell: 9.695 8.841 5.277 90.0 106.62 90.0 , V=433.41 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-1, Locality: Victoria, Australia