Yellow mouth material is a kind of Hetian jade, usually refers to Hetian Yushan material yellow mouth material, belongs to Hetian jade series。Yellow mouth material is a kind of Hetian jade raw materials with yellow-green tone characteristics。

The high-quality yellow mouth material has a soft luster and delicate jade quality。Feel soft and waxy like fat, thick and soft。Because of the above characteristics, in a sense, it is closest to topaz。

Hetian jade yellow mouth material is a relatively rare Hetian jade variety, and the output is small, less resources, coupled with the market price is not high, with a good collection potential and appreciation space。