Obsidian has been used as a talisman and amulet since ancient times. Obsidian can be processed into handicrafts. In addition, obsidian because of the characteristics of glass, broken after the section is shell broken mouth, very sharp. Obsidian is one of the gems of Buddhism making beads and crafts, and in traditional Chinese folklore, the use of obsidian combined with Pixiu is often used to make various ornaments and ornaments for the wearing and placement of the house for the evil spirits and the old. Most of today's obsidian jewelry is produced in Central and North America, and Mexico's national stone is obsidian.