Sphalerite-Wurtzite - PL spectra Sphalerite Index IR-Reflectance Photoluminescence UV-Vis-NIR Sphalerite: Green sphalerite - 2.71 ct - Zlatograd Area, Bulgaria Green sphalerite - 2.71 ct - Zlatograd Area, Bulgaria No photoluminescence with the following excitation sources: 254, 280, 375, 405, 442, 532, 670 and 780 nm.
