The main varieties are: 1, according to color Tourmaline [1] is complex in composition and complex in color. The international jewellery industry basically divides the commercial variety according to the color of the tourmaline. The more the color, the higher the value. Red tourmaline diamond pendant Blue tourmaline: a general term for light blue to deep blue tourmaline. Blue tourmaline is now the most valuable color in the tourmaline because it is rare. Red tourmaline: the general term for pink to red tourmaline. Red is the best of the tourmaline with purple and rose red, and it is called the red tourmaline. In China, there is the name of “baby faceâ€. However, the natural world produces more brown, maroon, and deep red, and the color tone changes greatly. Green tourmaline: the general term for yellow-green to dark green and blue-green, brown-colored tourmaline Multicolor tourmaline: Since the tourmaline ribbon is very developed, red and green dichroic ribbons or trichromatic ribbons often appear on a crystal; the ribbon can also form a color circle from the inside to the outside according to the Z axis, and the inner infrared green It is called "Watermelon Tourmaline". 2, divided by special optical effects Tourmaline Cat's Eye: When the tourmaline contains a large number of parallel fibrous and tubular inclusions, the cat's eye effect is called a tourmaline cat eye when it is ground into a gemstone. Color-changing tourmaline: a clear-eyed tourmaline, but rare. Fashion Fabric Sale,Tape Embroidery Fabric,Tape Mesh Embroidered Fabric,Embroidered Mesh Lace Fabric SHAOXING YINFENG IMPORT AND EXPROT CO.,LTD , https://www.shaoxingyinfeng.com