Ringwoodite Visible Spectra (300 - 1600 nm)
Ringwoodite is a high pressure polymorph of Mg2SiO4.
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The spectrum is not available at this time. The blue
color of this synthetic crystal (provided by JR Smyth, Boulder, Colorado) is also seen in the natural crystals from meteorites. It may come from scattering from fine inclusions in the crystal. More work is needed to study this problem.
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