1. Sheep fat jade, also known as sheep fat jade, is a high-quality hetian jade white jade. Its color is fat white, and sometimes it can be light blue or milky yellow. Its texture is fine and moist, oily, and may contain a small amount of impurities such as stone flowers. Sheep fat white jade is mainly composed of tremolite (95%), actinolite and epidote, which looks like coagulated fat and belongs to a kind of nephrite. This kind of jade is soft and slightly yellow in candlelight, giving people a feeling of congealing fat.

2. The seed jade of suet white jade has been soaked in the groundwater and soil of Shimokoji or oasis in Kunlun Mountain for millions of years, and its output is scarce and its value is high. Crystal white, delicate and moist, with few flaws, it is known as "white as cut fat", that is, white as the fat of fat sheep just cut, and shiny as coagulated fat. Sheep fat white jade is of excellent quality and almost flawless. It is a treasure in Hetian jade in Xinjiang and is deeply loved by local people and collectors.