AM_Wadsleyite_27 Formula: Mg1.89 O4.092 Si H2 Name: Wadsleyite Unit cell: 5.6862 11.5023 8.2526 90.0 90.013 90.0 , V=539.76 Space group: I1MMA1 (1)

Holl C M , Smyth J R , Jacobsen S D , Frost D J , American Mineralogist , 93 (2008) p.598-607, Effects of hydration on the structure and compressibility of wadsleyite, beta-(Mg2SiO4), Locality: synthetic, Sample: SS0402, 1.18 wt% H2O