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. Onyx treats disorders of the bones, bone marrow and blood. It is beneficial for teeth and the feet. Onyx improves concentration and it boosts our self-confidence and sense of responsibility. Onyx will sharpen the sense of hearing and heal diseases of the inner ear. It improves the function of the sensory and motor nervous system, helps with weakness of the eyes and can fortify the immune system against susceptibility to infection. It alleviates worry, tension and nervousness, eliminates confusion and nightmares. The black color gives strength to face challenges in life.