Research on Filling Treatment of Tourmaline

The 105 tourmaline samples collected from the different merchants from the Liwan Plaza in Guangzhou City are studied by using the gemmological microscope,IR and XRF.The results indicate that the most of the tourmaline samples have the filling phenomenon,where the fillings are yellow and white flocculus,with the characteristics of the blue flash and flow structure.Meanwhile,the organics and Pb also could be found by the IR and XRF in the samples which have unnoticeable filling phenomenon.