AM_Diopside_102 Formula: Ca.836 Na.14 Mg.892 Ti.206 Si1.888 B.024 O6 Name: Diopside Unit cell: 9.765 8.929 5.284 90.0 106.19 90.0 , V=442.45 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: Di73