Jade identification method, (1) water identification method Drop a drop of water on jade. If it is dewdrop-shaped, it is real jade. (2) If the touch method is real jade, it will feel cold and lubricated by hand. (3) When jade is observed in light, the true jade is clear in color and evenly distributed in green. (4) The tip of the tongue identifies that the real jade on the tip of the tongue has astringency and the fake jade does not. In addition, you can also observe with a magnifying glass, mainly to see if there are cracks, and the value of cracks is greatly reduced.