Golden silk jade is quartzite jade, and high-quality golden silk jade is very valuable. Jinyu is a unique variety in China, mainly produced in terraced fields, Gobi desert and desert areas in Xinjiang. Golden jade is mainly yellow, red and white, and its main components are timely, pyrite and mica. It can be waxy and greasy, and it is named Jinyu because of its special golden stripes inside. Jinsiyu is actually quartzite jade, which is a jade variety produced in terraced fields, Gobi desert and desert areas of Xinjiang on the Silk Road in China. The main colors of this jade are yellow, red and white. Good quality jade is very valuable. Jin Yu can be glutinous but greasy, with transparency ranging from slightly transparent to translucent, and has special stripes inside, which is called "radish pattern" in the industry, hence the name Jin Yu. Jinyu is a unique variety in China. This kind of jade has high ornamental value and collection value after carving, and has the noble quality of jade and precious stones.