Exposure to high temperature, if Lantian jade is frequently exposed to high temperature during wearing, it will lead to water loss and affect the texture; the jade quality is poor, if you wear the dead jade of Lantian jade, it will not be moist no matter what, and the whole looks lifeless; stained with stains, Lantian jade absorbs sweat and grease secreted by the human body during wearing, and it will become rougher and rougher if you don't clean it in time.
The rougher and rougher the Lantian jade was, the more likely it was to be exposed to high temperatures. If Lantian jade was frequently exposed to high temperatures during wearing, the moisture in it would be lost, causing the texture of Lantian jade to become rough due to the lack of water.
The rougher and rougher the Lantian jade was, perhaps the reason for the poor quality of the jade, which was commonly known as "dead jade." According to the traditional saying, if one wore the dead jade of Lantian jade, one would not be able to wear it well no matter what, and there would not even be any changes, making it look lifeless.
The rougher the Lantian jade was, the more likely it was to be stained. During the wearing process, the Lantian jade absorbed the sweat and grease secreted by the human body, and at the same time, it was inadvertently stained with stains from the outside world. If the Lantian jade was not cleaned in time, its texture would become rougher and rougher.