Natural stone obsidian bracelet, size approximately: 14mm * 16 beads; Weight approximately 53g, with a bag. Number A4618; Inner diameter approximately: 18-19cm; Unisex; It usually looks black, but depending on the angle of view and the way the light hits it, the gold color creates a color-changing effect such as a schiller effect or a cat's eye effect, allowing you to enjoy the two-color change of black & gold. Obsidian (English name: Obsidian) is a black gemstone, a volcanic crystal, also known as "Dragon Crystal, Tokachi Stone," and is naturally formed silicon dioxide. It usually appears dark and black, and the national stone of Mexico is obsidian. From ancient times to the present, obsidian has been used by the Han people as a talisman and amulet. Obsidian is one of the gemstones used in Buddhism to make Buddhist beads and crafts. In traditional folk beliefs, obsidian is used to make various ornaments and objects, which are worn or placed in the home to attract wealth, transport good fortune, ward off evil, and protect the house. ■The color of the photo may look slightly different from the actual product depending on the shooting environment. Instant purchase OK. Thank you.