Black Onyx Ring 925 Sterling Silver - Sun Moon - AdjustableBLACK ONYX STRENGTH GROUNDING PROTECTION One of the most significant meanings of black onyx is its protective nature. It is thought to absorb and transform negative energy, acting as a shield against emotional and physical harm. Many people use black onyx to create a protective barrier around themselves, helping to maintain a clear and positive mindset. Natural Black Onyx Ring Set in Solid Sterling Silver 925 Gemstone: 6mm Round Faceted Moon Sun Ring