AM_Diopside_74 Formula: Ca.691 Na.159 Fe.202 Mg.812 Mn.006 Al.2 Ti.011 Cr.001 Si1.918 O6 Name: Diopside Unit cell: 9.706 8.873 5.265 90.0 106.46 90.0 , V=434.85 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: Bu-10, Locality: Victoria, Australia