Original paper

Laser-induced time-resolved luminescence spectroscopy of Pb2+ in minerals

Gaft, Michael; Seigel, Harold; Panczer, Gerard; Reisfeld, Renata


Natural and synthetic samples of hardystonite, hydrozincite, calcite and pyromorphite were investigated by laser-induced time-resolved luminescence spectroscopy at 50 K to ambient temperatures. Luminescent bands of Pb2+ can be resolved from similar bands caused by Ce3+ and Eu2+ by a combination of diagnostic differences in excitation spectra and lifetimes of luminescence as a function of temperature. The results indicate that Pb2+ is a more common luminescent activator in minerals than hitherto suspected.


time-resolved luminescence spectroscopypb2+minerals