Chrysoberyl Visible Spectra (350 - 1100 nm)
The origin of color in chrysoberyl is iron and chromium. Yellow chrysoberyls
owe their color to Fe3+ whereas Cr3+ is the cause
of color in the color-change variety, alexandrite.
Link to a collection of references to mostly color and visible spectroscopy of chrysoberyl.
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last updated: 19-Jan-2021