Second, Russian materials; Hetian jade produced in Russia is called Russian material in the circle, and its output form can also be divided into mountain material, seed material and landscape material. However, the seed materials of Russian materials are few, mostly landscape and mountain materials. With the increasing scarcity of materials in Xinjiang, the value of Russian white jade has gradually increased, and more than 90% of high-end white jade on the market is Russian.
Third, Qinghai materials; Qinghai jade, also known as Qinghai jade or Kunlun jade, is one of the common generalized hetian jade varieties in the market. It comes from the eastern edge of Kunlun Mountain and enters Qinghai Province. It is located in the same metallogenic belt as Hetian jade in Xinjiang. The east of Kunlun Mountain is called Kunlun Jade, and the north of the mountain is called Hetian Jade. The linear distance between them is about 300 kilometers. Therefore, Kunlun jade and Hetian jade are basically the same in material combination, origin and structure, which can be described as the twin brothers of nature. The blue sea material in the old pit is exquisite, which can be compared with Hetian jade material in Xinjiang. However, the texture of the new pit is poor and it is easy to fade and yellow, so the market is not good in recent years.
Fourth, Korean material, Korean material is a broad sense of Hetian jade sapphire mountain material. Its main producing area is Chuncheon in the south of the Korean Peninsula, and it is produced in local serpentine, which is mostly bluish yellow and brown. The powder is not very good The chemical composition of Korean material is basically similar to that of Hetian jade, and its hardness and density are close to that of Hetian jade, slightly smaller, and its hardness is about 5.5. It is the lowest value among Hetian jade in Xinjiang, 10,000 times worse than high-end sheep fat jade.