According to the inquiry of Harbin Fujiu 'ai Jewelry Co., Ltd., the black spots on the last material are not necessarily inferior materials and need to be analyzed in detail. Black spots may be the internal texture defects of Qiemo jade. In this case, it can be repaired by grinding and machining, so that the surface is smooth, the black spots will be strengthened and blended with other parts to meet the aesthetic requirements. On the other hand, the black spots of Qiemo jade may also be caused by its impure composition. Therefore, when shopping, we should choose jade with good quality and no impurities. If you have bought jadeite with black spots, you can consider returning it or choosing a professional processing shop for secondary polishing. Generally speaking, the problem of black spots of fish has both external and internal factors, and it needs targeted treatment to solve it.

Qiemo material belongs to Hetian jade, which refers to Hetian jade produced in Qiemo, Xinjiang. Most of the leftover materials contain sugar, and the jade is oily and delicate, which is the closest to the seed material in the mountain material. Hetian jade mostly comes from Qiemo, including white jade, sugar jade, suet jade and sapphire.