Faceted Onyx stone hand-wrapped in 14K gold-fill wire. Sold on a 18" 14K GF rope chain (please let me know if you would like 16" instead). Pendant measures 1 1/4" L The colors of Onyx range from white to almost every color (save some shades, such as purple or blue). Onyx has served as a worry stone and material for rosary beads for centuries. Some believe that it has the ability to soothe fears and worries, and control overwhelming emotions. They say it can help a person maintain a positive outlook while awaiting the result of a source of anxiety. They also recommend it for improving concentration and devotion, calming sexual tension and ending marital disputes. Each necklace is hand-made and may differ slightly from the photograph. Contact me for custom order info - this necklace can be made in a number of different stones or in silver instead of gold