According to the comments of forum users such as Zhihu, spinach green is one of the colors of Hetian jade, which is a kind of jade with special aesthetic and preservation value produced in Hetian area of Xinjiang, China. In the jewelry industry, Hetian jade is considered to be a high-grade jade with a higher price. Its grade is usually evaluated according to the following factors: color, transparency, texture, cut and size. Hetian jade spinach green is an excellent color in Hetian jade, which belongs to the higher grade of Hetian jade.

Hetian jade spinach green belongs to the first-class jasper, and Hetian jade is divided into eight grades. Jasper is one of them, and spinach green is the highest grade of jasper. Hetian jade spinach is rich in green color, looks like black, is relatively uniform as a whole, and has a waxy luster. It is often made into ornaments and jade carvings, which have ornamental value. Imitation glass on the market is useful, so we should pay attention to distinguish between true and false.