The phenomenon of calcification is believed to be caused by decomposing the structural water of the jade. The cause of decomposition may be from the interaction of heat and the pressure of the environment where the jade is buried. Another explanation is that calcification is caused by the interaction of the jade and the surrounding calcium where the antique jade buried. Most people tend to in favor of this kind explanation of jade calcification before any scientific proof has been found. It should be noted that fake calcification jades are often found to fake Liangzhu Culture jades. The faking technique is to form a coating layer on inferior jade or fabricated jade to imitate the calcification appearance looks like the Liangzhu Culture jades.