The metaphysical properties of Onyx is strength giving. It promotes vigor, steadfastness, and stamina. It aids learning lessons, imparting self-confidence and helps one to be at ease in their surroundings. It alleviates overwhelming fears and worries. It conveys the invaluable gift of wise decisions. It balances the yin and yang energies within the body. The items vary in size but measure approximately 1 in high by 5/8 in wide with a thickness of 3/8 in.