The onyx is a stone that offers its bearer immensely powerful vibrations of protection, willpower, focus and strength. It activates your root and solar plexus, as well as your third eye chakras, In addition to this, the onyx stone carries the power to give you the jolt of energy that you need to start pursuing your dreams Healing benefits include motivation, mental clarity, grounding, self control and shields against negative energy Waterproof 18ct gold on stainless steel Natural Green Jasper stone Adjustable, tightens or expands: from size 52 to 56 Ring thickness: 1.3 cm Dimensions of the stone: 3 x 12 mm Net weight 4.4g