AM_Spinelloid
Formula: Fe2.68 Si.32 O4
Name: Spinelloid
Unit cell: 5.867 8.917 8.362 90.0 90.0 90.0 , V=437.47
Space group: PMMA (51)

Ross C R , Armbruster T , Canil D , American Mineralogist , 77 (1992) p.507-511, Crystal structure refinement of a spinelloid in the system Fe3O4-Fe2SiO4