Look at the color of jade. Natural jadeite has colored roots with visible colors and uneven distribution. The dyed jadeite is divergent, invisible, floating and distributed in the surface layer in a silk mesh.
Fifth, there are pictures and weights of the goods on the certificate, that is, a certificate corresponds to a piece of goods. Although some things come from a raw material and look similar in appearance, jadeite is not exactly the same. Everything has its own characteristics. A certificate can't prove the quality of the whole batch of things.
All right. Authentic. The jadeite in Dali Houjiang Jewelry City is supervised by Dali Industrial and Commercial Bureau. It is genuine, and if it is fake, it will lose three. Nice texture. The jadeite in Houjiang Jewelry City is smooth and delicate, soft to the touch, not rough and not cracked.
You can compare it with the confirmed A bracelet. Principle of whitening of B goods: B goods are made by soaking natural jadeite raw materials in strong acid and alkali for several months, and then vacuumizing and injecting glue. This process will make the yellow iron and manganese oxides in natural jade particles react, so the B goods will appear unnatural pallor in the finished product.