AM_Diopside_101 Formula: Ca.784 Na.19 Mg.85 Ti.254 Si1.892 B.044 O6 Name: Diopside Unit cell: 9.748 8.926 5.281 90.0 106.09 90.0 , V=441.50 Space group: C12/C1 (15)

Nazzareni S , Molin G , Skogby H , Dal Negro A , European Journal of Mineralogy , 16 (2004) p.443-449, Crystal chemistry of Ti3+-Ti4+-bearing synthetic diopsides, Sample: Di72