2. Hetian jade has high hardness. Hetian jade is a mineral with high hardness and good stability, and its hardness can be as high as 5-7, which is higher than jadeite. The hardness of jadeite is usually 6-7, slightly lower than that of Hetian jade. Hetian jade is also easier to shape in jewelry technology and decoration, and is more favored by producers.
3. Emerald. According to the relevant data of fish discharge. Com, the hardness of jadeite is 5_7, and that of Hetian jade is 6-5, with little difference. Jade is slightly hard, so the hardness of jade is higher than that of Hetian jade. Hetian jade is one of the "Four Famous Jade in China" (the third place is lantian jade in Shaanxi, Xiuyu in Liaoning and dushan jade in Henan).
4. Although Hetian jade is named after Hetian, Xinjiang, it is not a regional concept in itself, nor does it refer to the jade produced in Hetian, Xinjiang, but the name of a class of products. China named all the stones with tremolite accounting for more than 98% as Hetian jade, which are within the national standards. The hardness of jadeite is between 5 and 5.
5. Jade is harder than Hetian jade. Jade belongs to jadeite and Hetian jade belongs to nephrite. The difference in hardness also shows the difference in hardness between the two.