和田籽料青白玉藩螭龙与如意纹雕挂件：Dimension:6.1x3.7x1.5cm, 50g. A Finely And Rare Natural HETIAN kan ching jadedanging Seed Jade Material Carving Dragon one side, Ruyi flowers and plant on other side. It has very good culture & art appreciation and collection value. Dimension:6.1x3.7x1.5cm, 50g. Tips about Chinese Hetian Nephrite Jade is a nephrite jade and is regarded as the only true jade in ancient China until Burmese jadeite becomes popular in late Qing Dynasty. For Chinese, HETIAN Yang-Zhi White Seed Jade Material is very collectible and has the potential to the increase in value.7.68 5,71 1.89 3.11. The hardness of the Hetian jade is between 6 to 6.5. The density is between 2.96 to 3.17. Most of the nephrite jade in the world are green. However, there is a wide variety of Hetian nephrite jade and the white Hetian nephrite jade is the best. Normally, the Hetian jade is silky, exquisite, moist, and bright. Hetian nephrite jade is called 'China stone' by Gem and Jewelry Trading Association of China. The nephrite jade is a naturally occurring and coherent aggregate of several minerals. The qualified nephrite jade is generally recovered from alluvial pebbles and boulder, or cut off from the rocks in which it originally formed. The process of producing a Hetian nephrite jade art craft is complicated, including cutting, grinding, and polishing by several experienced artists.