AM_Mg2SiO4_3 Formula: Si Mg2 O4 Name: Mg2SiO4 Unit cell: 4.98 8.85 2.75 90.0 90.0 90.0 , V=121.20 Space group: PBAM (55)

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, Sr2PbO4 structure