Black Onyx Stone Bead Men Women Couples Bracelet Crystal Stone Bead: Natural Onyx This bracelet is made of natural onyx stone. Black Onyx Benefits: Onyx stone enhances strength, stamina, durability and self-control Onyx gives strength. It promotes vigor, steadfastness and stamina. Imparts self-confidence, helping you to be at ease in your surroundings. Onyx banishes grief, enhances self-control and stimulates the power of wise decision-making. It encourages happiness and good fortune. It alleviates worry, tension and nervousness, eliminates confusion and nightmares. The black color gives strength to face challenges in life. For: Men, Women, Couples