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hamilton gold jewelry wholesale The quality of jade
The quality of jade has six standards, namely "color, transparency, uniform, shape, knocking, and photo."
(1) Color
The jade is the best, and the value of red and purple jade is only 1/5 of the green jade. If it contains red, purple, green, and white, it is called "Fulu Shouxi"; if it contains only red, green, and white, it is "Fulu Shou". The color is dim and slightly yellow. If it is monochrome jade, the color is uniform.
(2) Transparent
The transparent crystal is like glass, without dirty spots, no bran, not astringent as the top product. The transparent and opaque jade is called intermediate jade and ordinary jade. Before the Qing and Qing Dynasty, jade with red, green, and white colors was called emerald jade. In modern times, emerald jade refers to the general transparent jade. The current emerald jade lives with transparent and green hometown.
(3) Uniform
The color of jade is evenly uniform. Although it is white and green but the color is uneven, the value is very low.
(4) shape
The shape of jade can be processed into different styles according to different aesthetic requirements without special standards. Generally speaking, the bigger the jade is better.
The black spots and flaws that are not easy to find in the expansion information of the expansion information. As long as you shine with a 10 -fold mirror, you can see it at a glance.
The quality of jade can be divided into 10 levels, and each level can be subdivided into three levels 3. Among them, Bai Yu is the lowest in terms of its color and transparency.
The characteristics of natural jade are slightly light -colored without light blue (commonly known as evil color). There is also a synthetic jade, which is made of jade powder and crystal and salt water. The appearance is quite dark "old pit jade". The method of appraisal is very simple. Because of the different proportion of natural jade, you can use your hands to be severe, or you can use it with balance.