AM_Pyroxene_3 Formula: (Mg.893 Fe.108) Si O3 Name: Pyroxene Unit cell: 18.243 8.808 5.197 90.0 90.0 90.0 , V=835.08 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, 1050 C, 10 min