AM_Wadsleyite_25 Formula: Mg2 Si O4 Name: Wadsleyite Unit cell: 5.689 11.483 8.2527 90.0 90.0 90.0 , V=539.12 Space group: IMMA (74)

Jacobsen S D , Demouchy S , Frost D J , Ballaran T B , Kung J , American Mineralogist , 90 (2005) p.61-70, A systematic study of OH in hydrous wadsleyite from polarized FTIR spectroscopy and, single-crystal X-ray diffraction: Oxygen sites for hydrogen storage in Earth s interior, Sample: ~9600 wt ppm H2O