Topaz - UV-Vis spectra Topaz Index IR-Reflectance Photoluminescence UV-Vis-NIR Pink topaz – 0.76 ct – Ouro Preto, Brazil Light-yellow topaz – 11.8 ct – Africa Pink topaz – 0.76 ct – Ouro Preto, Brazil Cr3+ absorptions. Light-yellow topaz – 11.8 ct – Africa Radiation defects
Cr3+ absorptions.
Radiation defects
Cr3+ absorptions.
Radiation defects
Cr3+ absorptions.
Radiation defects