This is a scam. There are some unscrupulous merchants and scams in the jade market. By promoting the rarity and preciousness of jade to attract consumers to buy it, the quality of jade is not good.
Of course, there are fewer and fewer natural jadeites, especially jadeites with good varieties. You should know that the formation time of jadeite is hundreds of millions of years. Now that the machines are so developed, they are mining a lot of jadeite raw stones, and of course there will be a day of exhaustion. Generally speaking, when the demand is greater than the reality, there will be less and less things.
The jadeite produced in this environment is purer, and the bottom is not gray without iron. Although there is low iron, there will still be iron. If jadeite is very pure and free of impurities, it needs to be restored to the environment. Because in the oxygen-deficient environment, the Fe contained in it will form magnetite and precipitate out, instead of entering the crystal lattice of jadeite, which can correct the emerald green.
Which is better to identify jade?
Shanghai Jewelry and Jade Appraisal Center. Shanghai appraisal jewelry can be appraised at Shanghai Jewelry and Jade Appraisal Center in Nanjing East Road Pedestrian Street, Huangpu District, Shanghai. The center is an authoritative and reliable jewelry and jade appraisal institution recognized by Shanghai Culture and Tourism Bureau. Shanghai Jewelry and Jade Appraisal Center is the best.
The National Jewelry and Jade Quality Supervision and Inspection Center, also known as National Inspection, or NGTC for short, is a national jewelry and jade quality inspection institution authorized by the General Administration of Quality Supervision, Inspection and Quarantine of China according to law, and an authoritative institution in the field of jewelry and jade inspection in China.
Hello, here you can find that Nanchang Jewelry and Jade Testing Center is located in Century Building, No.318 Hongcheng Road, Xihu District, Nanchang City, Jiangxi Province.
Are there many fake jadeites in Jiangsu?
1, hello, from the current situation, this jade bracelet is not a, so there is no doubt that there is nothing to see. This watercolor performance, no lines and no cracks, and then 450. .
2, water identification method will drop a drop of water on the jade, such as dewdrop-like for a long time, it is the real jade; The water droplets disappear quickly, which is a fake. Touch it with your hands. If it is real jade, it will feel cold and lubricated. In the inspection method, jade objects face bright places, such as sunlight and lights. If the color is clear and the green is evenly distributed, it is a real jade.
3, the price is much cheaper than Jade A goods. Jade C goods Jade C goods are artificially dyed, that is, its color is fake, such as dyed green, red, yellow and so on. For people who often play with jade, you can see the authenticity of jade at a glance.
How to tell the true and false jadeite? How is the market now?
1. Color and texture of jadeite: Real jadeite is mostly dark green, and some are brown and gray. Fake jadeite usually imitates the color of real jadeite by dyeing and heating, but the color is usually much brighter than real jadeite. In terms of texture, real jadeite feels warm and oily, while fake jadeite is usually cold and hard.
2, listen to the sound: tap the jade, natural jade sounds crisp, fake jade is boring. Look at the color root: the color distribution of natural jadeite is uneven. Look at cleanliness: natural jadeite will not be perfect, and it will contain a small amount of fibrous crystals inside.
3. Weigh the jadeite. Fake jadeite is generally made of less hard materials. Buyers holding real jadeite and fake jadeite will feel that the real jadeite with the same volume is more oppressive. But it takes a long time to accumulate, feel the texture of some real jadeite, and identify fake jadeite more quickly.
4. Look at the jade appraisal certificate. Jade identification certificate is the identity card of jade, which is especially important for the authenticity of jade. First of all, the jade certificate must have any one of CMA, CAL and CNAL. Secondly, look at the jade appraisal conclusion, and the appraisal result will tell you whether the jade is genuine or not.
5. Look at the water of jade. Water is a unique feature of jade, and a charming jade is equal to the water foot and water quality on the spot. In fact, water refers to the clarity of jade, but many gems in nature are completely transparent or transparent, but this does not explain the characteristics of ice.
6. First of all, it must be a certificate issued by an authoritative organization recognized by the state, and see if there are any signs of CMA, CAL or CNAL on the certificate. Secondly, check whether there is a steel seal or anti-counterfeiting mark on the certificate, and then check the authenticity according to the official website on the certificate number to see if the appraisal expression on the certificate is accurate.