Sapphire is one of the most produced jade in Hetian jade, and it is the least optimistic one. However, the texture of sapphire is not related to the sheep fat jade, but because of the relatively high output, it is not very sad collectors. Its color is a transition from light green to dark blue, with bamboo leaf green, shrimp green, green blue, and Yang Liuqing. Among them, bamboo leaf green is the most common. Sapphire Substrate,Sapphire Wafer,Led Sapphire Substrate,Sapphire Led Substrate ShanXiZhongJuJingKe Semiconductor Co., Ltd , https://www.sxzjjk.com
Three-level sapphire
The worst sapphire is generally more, such as: cracking, impurities, asbestos and so on. The color is cyan gray, green, yellow, and uneven, with a waxy luster. However, the texture is fine and translucent.
Secondary sapphire
The medium sapphire color is cyan, with a little yellow or green tones. The jade is more delicate and has a grease luster, which is translucent and has less enamel.
First grade sapphire
The main color is cyan, the color is softer, the jade is fine, the oil is lustrous, it is translucent, and there are few impurities such as chapped. This jade is very good, and it is worth collecting.