AM_Pyroxene_6 Formula: (Mg.893 Fe.106) Si O3 Name: Pyroxene Unit cell: 18.242 8.803 5.198 90.0 90.0 90.0 , V=834.72 Space group: PBCA (61)

Molin G M , American Mineralogist , 74 (1989) p.593-598, Crystal-chemical study of cation disordering in Al-rich and Al-poor, orthopyroxenes from spinel lherzolite xenoliths, sample Le4A, 1150 C, 10 min