At a glance, color method

The color of the Hetian jade is based on white and cyan, and the color tone is relatively uniform. White white jade, especially sheep fat, is unique to Hetian jade. Saitama and Nanyang jade also have white, but there are no Hetian jade, and some also have green impurities such as green. The blue jade is sometimes easy to confuse with the green jasper and sapphire. It is necessary to master the characteristics of cyan. It is between blue and green. Hetian Yuziyu has a skin color, and the skin color is mostly brown, limited to parts.

Two Analytical Texture Method

Hetian jade texture is dense and delicate, moisturizing and soft, with oil and luster, giving people a sense of rigidity in the soft, white jade is particularly obvious. Other jade also has delicate texture, but moisturizing and oil luster is not as good as Hetian jade.

Three test impurities

Hetian jade is pure, and there are very few impurities. Impurities are often iron and graphite. The impurities are mostly distributed in the crack, brown or brown black, and the naked eye can be distinguished. Graphite is black and distributed in Mo Yu.

Four judgment hardness method

The hardness of Hetian jade is 6.5-6.9, and the steel knife is not moving. The jade with similar hardness is emerald, Nanyang jade, chalcedony and so on. Emerald hardness is 6.5-7.0, Nanyang jade hardness is 6.0-7.5, and chalcedony is 6.5-7, which can be distinguished with other characteristics.