Optical Spectra of Ringwoodite, SiMg₂O₄

• Keppler H, Smyth JR (2005) Optical and near infrared spectra of ringwoodite to 21.5 GPa: Implications for radiative heat transport in the mantle. American Mineralogist 90, 1209–1212.
• Taran MN, Koch-Muller M, Wirth R, Abs-Wurmbach I, Rhede D, Greshae A (2009) Spectroscopic studies of synthetic and natural ringwoodite, gamma-(Mg, Fe)₂SiO₄. Physics and Chemistry Minerals (2009) 36, 217–232.
• Mrosko M, Lenz s, McCammon CA, Taran M, Wirth R, Koch-Muller M (2013) Hydrogen incorporation and the oxidation state of iron in ringwoodite: A spectroscopic study.American Mineralogist 98, 629–636. 
• Taran MN, Semenenko MP (2021) Synthetic Co-exisiting Wadseyite β-(Mg, Fe)2SiO4 and Ringwoodite γ-(Mg, Fe)2SiO4: an Optical Absorption Spectroscopy Study. Mineral Mournal 43, 3-10