Mg2SiO4_4 Formula: Si Mg2 O4 Name: Mg2SiO4 Unit cell: 3.51 3.51 10.45 90.0 90.0 90.0 , V=128.75 Space group: I4/MMM (139)
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, K2MgF4 structure