The difference between Qinghai nephrite and Hetian jade

The soft jade products produced in Qinghai Province have certain characteristics with traditional Hetian jade. The data compares Qinghai nephrite with traditional Hetian jade varieties.

I. Introduction of origins Qinghai nephrite is produced in the hilly area of ​​over 100 public tanks along the southwest of the Golmud City of Qinghai Province and along the Qinghai-Tibet Highway. So far, there have been about three mining sites. Although the local altitude is high, but the relative height is not large, the traffic is more convenient. The jade material produced by this estate is mainly made of mining ore, and there is a small amount of mountain flowing water (Gobi) material, and no sub-materials were found. The production area is part of the eastern border of the Kunlun Mountains and is part of the Qinghai Province. It is about 300 kilometers west of the Ruoqiang County in Xinjiang. Hetian jade from Hemo and Ruojiao has a close relationship with the geological structure.

Second, the main commercial varieties and appearance characteristics  Qinghai soft jade early in the output, there are Kunlun Baiyu, Kunlun jade, Golmud jade, Qinghai Cuiyu (emerald varieties) and other non-standard names. According to the national standard "Gemstones and Stones, Names," the name of the principles and terms, combined with the practice of nephrite classification naming, Qinghai nephrite according to its color characteristics are divided into white jade, white jade, sapphire and other varieties. Commercial products are basically the same as those in Hotan, and their color characteristics are more abundant. For example, the emerald green and soot-grey-purple varieties in Qinghai nephrite are rare or not seen in traditional Hetian jade products. The various varieties and characteristics are now described as follows:

Baiyu: The main varieties of Qinghai nephrite are also the varieties with the highest yields. The industry is sometimes used to refer to “Qinghai White”. Gray-white, translucent, transparent