AM_Enstatite_1
Formula: Mg.712 Cr.306 Si.982 O3
Name: Enstatite
Unit cell: 9.713 8.91 5.238 90.0 109.41 90.0 , V=427.55
Space group: P121/C1 (14)

Angel R J , Gasparik T , Finger L W , American Mineralogist , 74 (1989) p.599-603, Crystal structure of a Cr-bearing pyroxene, Sample: Mg1.4Cr.6Si2O6