AM_Diopside_20
Formula: Mg.72 Al.22 Fe.2 Ca.61 Na.25 Si2 O6
Name: Diopside
Unit cell: 9.662 8.841 5.253 90.0 106.78 90.0 , V=429.61
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 34, Di62Jd24, diopside - jadeite join