AM_Wadsleyite II Formula: Mg9.636 Fe.08 Si2.173 O14 Name: Wadsleyite II Unit cell: 5.6884 28.9238 8.2382 90.0 90.0 90.0 , V=1355.43 Space group: IMMA (74)

Smyth J R , Holl C M , Langenhorst F , Laustsen H M S , Rossman G R , Kleppe A , McCammon C A , Kawamoto T , van Aken P A , Physics and Chemistry of Minerals , 31 (2005) p.691-705, Crystal chemistry of wadsleyite II and water in the Earth s interior, Sample: 1, Reported formula: Mg1.71 Fe.18 Al.01 H.33 Si.96 O4