Tianshan Cui is not recommended to buy. Tianshan jade itself belongs to a kind of quartzite jade, which itself belongs to worthless jade. The natural price of bracelets made by Tianshan Cui is relatively low, and the output of Tianshan Cui is relatively large, but the overall quality is poor, and there are many impurities in jade, which is worthless.

Tianshan jade, also known as Yinshan jade, is a precious jade with compact structure, hard texture, acid and alkali resistance and good weather resistance in Shi Ying, which is produced in Zhaertai Mountain in China and Tianshan Mountain in Xinjiang. It was formed by submarine siliceous deposition 65.438+0.80-2.4 billion years ago, and was formed by many geological tectonic movements and chromium-containing hydrothermal infiltration.

Jade introduction

Tianshan jade is a rare jade species in China, and its hardness and density are similar to those of jadeite. Light green to white, translucent, hard and dense, delicate and moist after polishing, bright color. According to industry legend, the white jade in Tianshan jade is said to be "matched with jade", and the quality of jade is said to be inferior to that of jade, which is extremely precious middle and high-grade jade.

The Mohs hardness of Tianshan jadeite is between 6.9 and 7.2, with slight differences among different varieties. Generally speaking, the hardness of white jade is slightly higher than that of jade, and the jewelry industry generally regards hardness as an important symbol to distinguish gems from jade. The hardness of gemstones is generally above 7.3 degrees Mohs, and that of jade is generally between 4 and 7.2 degrees Mohs. Yinshan jadeite has high hardness, good polishing, easy preservation and high collection value.