The tourmaline, also called tourmaline, is a kind of precious stone. The tourmaline is brightly colored, beautiful, changeable, and highly transparent. It has been loved by people since ancient times. At present it is one of the mid-range jewels that is second only to emeralds and changing stones. According to records, in the funeral of the Empress Dowager Cixi in the Qing Dynasty, there was a lotus flower carved from a tourmaline, weighing 36.8 yuan. At that time, the value was 750,000 two silver. People designated the Biyu as "October birthstone", symbolizing peace and peace. This glamorous dragon card is made from watermelon tourmaline, which is a very rare species of tourmaline. Is in a spar, the center is pink, green edges or reverse tourmaline. Because the color resembles the flesh and peel of the watermelon, it gets its name. WeChat receives daily probe industry featured content U Casting Radiant Tubes,Gas Radiant Tube Heater,U Casting Radiant Tubes By Design,U Casting Radiant Tubes For Furnaces Jiangsu Kinuo Furnace Roller Co., Ltd. , https://www.jskinuoroller.com