Topaz - PL 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+ emissions. Light-yellow topaz - 11.8 ct - Africa No luminescence with the 405 nm laser source.
Cr3+ emissions.Cr3+ emissions.Cr3+ emissions.