The purer the jade, the better. These patterns show that there are many impurities in them. In the low-end market, some beautiful patterns will be more expensive, and they are sold according to handicrafts, not jade itself. Crystal bracelets range from dozens to hundreds. Generally amethyst bracelet 2300, powder crystal is cheaper, mainly depending on the material and processing technology. The raw materials in rock crystal basically range from a few dollars to one gram in 50 yuan. Taobao is very cheap, and jewelry stores are more expensive. But Taobao is actually a glass capacity crystal, and the cultured crystal is used as a rock crystal. Generally, there will be cotton or ice cracks in rock crystals, but there may be bubbles in synthetic crystals or glass, and there will be growth lines in cultured crystals. Now the processing technology is too high, and some of them are difficult to distinguish. If you are not at ease, you can buy one with an appraisal certificate, and the serial number of the certificate should also be asked whether it is true or false ~ ~ ~ In fact, many experts have identified tens of thousands of dollars of things as collectible, while those eight thousand dollars sold by shopping malls or individuals have no collectible value. So ordinary people can buy a few tens or hundreds of dollars from Taobao to play. As long as it is natural, you can tell others dozens or thousands of dollars by hand. Go to Taobao and search for the goods you want according to their word of mouth. You can buy it from reputable sellers who auction at crown level for one yuan, and you can add 30-50 yuan to get the appraisal certificate. (Look at the credit evaluation given to the seller by others after the transaction. If things are too bad, someone will scold him ~ ~)