Tourmaline edge jewelry, tourmaline carving, tourmaline wholesale. According to Baidu map, tourmaline jewelry, tourmaline carving and tourmaline wholesale are sold in China Donghai Crystal City. Tourmaline is the handicraft name of Tourmaline, and Tourmaline is a kind of jewelry of Tourmaline family. It is a borosilicate crystal, which contains chemical elements such as aluminum, iron, magnesium, sodium, lithium and potassium, and presents various colors.