AM_Diopside_24 Formula: Al.52 Mg.46 Fe.07 Ti.01 Ca.47 Na.41 Si2 O6 Name: Diopside Unit cell: 9.561 8.73 5.249 90.0 107.0 90.0 , V=418.98 Space group: C12/C1 (15)

Oberti R , Caporuscio F A , American Mineralogist , 76 (1991) p.1141-1152, Crystal chemistry of clinopyroxenes from mantle eclogites: A study of the key, role of the M2 site population by means of crystal-structure refinement, sample SBB 61, Di47Jd40, diopside - jadeite join