AM_Mg2SiO4_1
Formula: Si Mg2 O4
Name: Mg2SiO4
Unit cell: 10.05 5.75 4.87 90.0 90.0 90.0 , V=281.43
Space group: C12/M1 (12)

Baur W H , American Mineralogist , 57 (1972) p.709-731, Computer-simulated crystal structures of observed and hypothetical Mg2SiO4, polymorphs of low and high density, Model II