“…Researches showed that 63% of ceramics is made of white ware with green glaze, 16 % of red ware with green glaze, and 14% of red ware with blue glaze, 7% of white and red ware with brown glaze. According to comparison with the analytical data of X-ray fluorescence analysis emission spectroscopy was the most informative analysis (Sitdikov and Khramchenkova, 2015). This method allows defining simultaneously about 40 elements, as well as major, minor and trace elements.…”