AM_Wadsleyite II_1 Formula: Mg9.292 Fe.338 Si2.134 O14 Name: Wadsleyite II Unit cell: 5.6896 29.104 8.243 90.0 90.0 90.0 , V=1364.96 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: 2, Reported formula: Mg1.60 Fe.22 Al.01 H.44 Si.97 O4