AM_Enstatite_4 Formula: Mg Si O3 Name: Enstatite Unit cell: 18.148 8.756 5.1493 90.0 90.0 90.0 , V=818.24 Space group: PBCA (61)

Hugh-Jones D A , Angel R J , American Mineralogist , 79 (1994) p.405-410, A compressional study of MgSiO3 orthoenstatite up to 8.5 GPa, Sample: P = 1.95 GPa