7 Chakra Stone bracelet with Onyx Stones. The onyx is a stone that offers its bearer immensely powerful vibrations of protection, willpower, focus and strength. The onyx is there to drive motivation and to continuously push you forward in your life. It activates your root and solar plexus, as well as your third eye chakras. Chakra stones and crystals can be placed on your body to purify and balance the chakras, releasing all the negativity and resulting to emotional release. They can heal the body and release the life force energy. They can transform the negative energies into positive energies and lead to good health. 8mm beads. Standard size. Strechies fits almost every wrist.