AM_Wadsleyite_36 Formula: Mg3.47 Si2 (O8 H) Name: Wadsleyite Unit cell: 5.663 11.546 8.247 90.0 90.0 90.0 , V=539.23 Space group: IMMA (74)

Kudoh Y , Inoue T , Arashi H , Physics and Chemistry of Minerals , 23 (1996) p.461-469, Structure and crystal chemistry of hydrous wadsleyite, Mg1.75SiH0.5O4:, possible hydrous magnesium silicate in the mantle transition zone, Locality: synthetic