Black Onyx is associated with the root chakra. Onyx gives strength. It promotes vigor, steadfastness and stamina. It 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.