AM_Diopside_67 Formula: Ca.637 Na.159 Fe.29 Mg.647 Mn.004 Al.444 Ti.046 Cr.001 Si1.772 O6 Name: Diopside Unit cell: 9.693 8.837 5.279 90.0 106.66 90.0 , V=433.20 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-2, Locality: Victoria, Australia