Optical whitening and brightening of pearls: A fluorescence spectroscopy study

Zhou C.H., Tsai T.H., Sturman N., Nilpetploy N., Manustrong A., Lawanwong K. (2020) Optical whitening and brightening of pearls: A fluorescence spectroscopy study. Gems & Gemology, Vol. 56, No. 2, pp. 258-265.