AM_Wadsleyite_24
Formula: Mg2 Si O4
Name: Wadsleyite
Unit cell: 5.6941 11.4597 8.2556 90.0 90.0 90.0 , V=538.70
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: ~3200 wt ppm H2O