Chrysoberyl - IR Reflectance spectra Chrysoberyl Index IR-Reflectance Photoluminescence UV-Vis-NIR Mint-green chrysoberyl – 0.71 ct – Tanzania Slightly-greenish-yellow chrysoberyl – 1.28 ct – India Mint-green chrysoberyl – 0.71 ct – Tanzania Slightly-greenish-yellow chrysoberyl – 1.28 ct – India