AM_Fe225Si75O4 Formula: (Fe2.25 Si.75) O4 Name: Fe2.25Si.75O4 Unit cell: 8.286 8.286 8.286 90.0 90.0 90.0 , V=568.90 Space group: FD3M (227)

Yamanaka T , Shimazu H , Ota K , Physics and Chemistry of Minerals , 28 (2001) p.110-118, Electric conductivity of Fe2SiO4-Fe3O4 spinel solid solutions, Sample: Fe(3-x)SixO4, x = 0.750, synthesized at 1200 C, 10 GPa