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The high-quality Dushan jade has a round and delicate texture, and the bright and charming green system is more beautiful and beautiful, making it very similar to the jade of Myanmar. Therefore, according to its characteristics, people call it "Nanyang Jade". Because of this, people often confuse jade that is sold in the market with Dushan jade. So how do you distinguish Dushan jade and jade when you buy? China Jewelry Merchants Network Xiaobian teaches you how to distinguish Dushan jade and jade.
1, feel the difference
The density of Dushan jade is 2.73 to 3.18, and the density of jadeite is 3.32. In comparison, the density of Dushan jade is more important. Therefore, from the perspective of hand, Dushan jade is relatively light, while jade is relatively light. It is heavier than Dushan jade.
2, structural differences
The main constituent of Dushan jade is the plagioclase mineral. Its structure is mainly sugar-granular. The material is characterized by its internal particles being equal in size; while the minerals that make up jadeite are mainly jadeite minerals. Its performance is a very typical interwoven structure. Under the illumination of the side light and the transmitted light, particles of equal size can be seen inside the Dushan jade, but the particles of the jadeite are non-uniform and intertwined with each other.
3, different gloss
The change in the refractive index of Dushan jade is very large, but the change is mainly in the range of 1.53 to 1.57, and the hardness is between 6 and 6.5. However, the refractive index of jadeite is relatively higher. Above 1.66, the hardness is relatively large, between 6.5 and 7. Judging from the luster of the two surfaces, the luster of the jade is brighter than the luster of Dushan jade. It is a glass-like luster, but the Dushan jade is between the glass and the luster of the grease. It is very easy to have some scratches and scratches.
4, the color of the two
Dushan jade is a multi-colored jade. Its color is mostly strip-shaped. Because it is mainly a mineral belonging to feldspar, it will show some flesh red and brown tones, which has become the characteristic color of Dushan jade. . However, jadeite generally does not appear fleshy red, and the green tone of Dushan jade is darker and can present more vivid emerald green.
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