AM_Diopside_99 Formula: Ca.82 Na.168 Mg.846 Ti.272 Si1.882 B.022 O6 Name: Diopside Unit cell: 9.756 8.929 5.269 90.0 106.06 90.0 , V=441.08 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: Di80