Photoluminescence of Turkish purple jade (turkiyenite)

► The purple-colored gem material is only found in the Harmancık-Bursa region of Turkey. ► Material is called “Turkish purple jade” or “Turkiyenite” on the worldwide gem market. ► Photoluminescence peaks at 743-717-698-484-465-442 nm ranging 300-900 nm and 20-340 K. ► A combination of PL-2D and PL-3D graphics using the numerical data from UV excitation.