Jade is a general term for natural jade of mineral aggregates. There are many types of natural jade, which differ in their chemical composition, density, hardness, and refractive index. Therefore, natural jade is divided into jade and nephrite.
Jadeite is jade, produced in Myanmar. With its unique composition and excellent texture, Jadeite has become the "king of jade" and is deeply loved by people. Soft jade is a natural jade with a hardness lower than that of jade. The natural jade currently produced in China is basically nephrite. The most representative is Hetian jade, a high-quality nephrite produced in Xinjiang. Its beautiful appearance, delicate and gentle touch and its valuable investment collection value are the best in Chinese jade.
In addition, Saitama, Dushan jade, Qingtian jade, chicken blood jade, Shoushan jade, Qinghai Cui, Gongyu, etc. are also known as jade, but some of them called "stone" may be more appropriate.
Jade is a kind of jade, but on the other hand, jade is not necessarily jade.
Jade valuation principle
1. Emerald Green: The more green, the more valuable.
2. Transparency: The internal crystal structure of jadeite is tight and the transparency is also high. The “glass type†is this kind of jadeite with high transparency. For example, because jade itself contains rich chromium, it forms ice jade, which is valuable and difficult. begging.
3, color uniform: In addition to the color green, high transparency, but also must be uniform color is the top grade.
4, ç‘•ç–µ: pay attention to the presence or absence of cracks, spots, etc., these ç‘•ç–µ will affect the quality of jade.
5, shape: Most of the jade ring face is oval egg-shaped, as for other shapes, there are many, the shape of good and bad and the beauty of the price of jade also has an impact.
6. Engraving: The quality of the carvings and the meaning of the symbols have an impact on the price.
7, size, thickness: the same quality of jade is of course higher and thicker.
8. Gloss: In addition to the above conditions, the gloss should be sharp and not dark.
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