AM_Wadsleyite_20 Formula: Fe2.33 Si.67 O4 Name: Wadsleyite Unit cell: 5.7889 11.7496 8.2898 90.0 90.0 90.0 , V=563.85 Space group: IMMA (74)

Hazen R M , Yang H , Prewitt C T , American Mineralogist , 85 (2000) p.778-783, High-pressure crystal chemistry of Fe3+-wadsleyite, beta-Fe2.33Si0.67O4, Pressure = 5.45 GPa