Citation: Smyth, J. R.; Kawamoto, T.; Jacobsen, S. D.; Swope, R. J.; Hervig, R. L.; Holloway, J. R. (1997). Crystal structure of monoclinic hydrous wadsleyite [beta-(Mg,Fe)2SiO4] Note: occupancies of octahedral sites are estimates. American Mineralogist, 82, pp. 270-275.