AM_Jadeite_6
Formula: Al.68 Mg.37 Fe.03 (Na.55 Ca.45) Si1.92 O6
Name: Jadeite
Unit cell: 9.545 8.713 5.246 90.0 106.9 90.0 , V=417.44
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 2H, Di46Jd55, diopside - jadeite join