H in Spinels

• Halmer MM (2006) Limitations of FTIR Spectroscopy for Detection of Water in Spinel Group Minerals, When ^IVFe²⁺ is Incorporated into the Crystal Structure. Spectroscopy Letters 39, 181-196.

• Bromiley GD, Nestola F , Redfern SAT, Zhang M (2010) Water incorporation in synthetic and natural MgAl₂O₄ spinel. Geochimica et Cosmochimica Acta 74, 705–718.