How to identify jade
Jadeite, whose main mineral is called jadeite, is a kind of basic pyroxene in monoclinic pyroxene. It is a dense aggregate composed of numerous fine fibrous microcrystals, which has a felt-like structure. The mountain material is directly mined from the jade mine. There is no outer skin, the shape is irregular, there are many corners and cracks, the structure is rough and loose, the quality is not so good, and it is not a gambling stone. At present, even the $1,200 jadeite has potential for appreciation, while high-end goods are not affected by the decline in the market. Basic physical properties: high toughness, can withstand high impact force and pressure; Mohs hardness 6~7, greater than the Mohs hardness of nephrite.
Want to buy a jade, know the basic knowledge of jade, you should also know how to identify jade.
How to identify jadeite from the following aspects:
1. The first thing to look at is the process, because few people will carefully craft the poor materials;
2. Generally, the local light source is too strong or too weak, and is used to adjust the original color to be darker, such as oily green, light blue or green, or as yellow as the sputum is too dark;
3. After taking the water, take a picture, cover up the dryness or increase the water quality;
4. The background is black or dark gray, which enhances the contrast and even masks the background color changes caused by the PS;
5. For some small pieces (referring to very small, 5 pieces, etc.) without reference, with macro shooting, most netizens will marvel at how there will be such a good appearance, and then take it back and regret it. This phenomenon is more common, I have tried it once, but only once is enough;
6. Seeing the color abnormality in the background of the photo, such as green, blue, etc., it is generally prudent, because you may face a PS picture, and the level of this person's PS is relatively low.
7. Cover the color of the rigid part, such as an old bracelet, even in the green part of the green (some people call it Tsuigen), the choice of angle is very important, because you can never see this piece in the photo, even Covering the cockroaches, the better thing is to stick them with the signboard. When you reach the hand, you find that it is a natural crack.
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