Peridot, Citrine, Iolite, Garnet and Aquamarine give overall balance and stability. Gives courage and clarity to your life decisions. Increases your spirituality and compassion. Helps you achieve your goals and gives you a push to follow through on your goals and dreams. Eases physical pain. This has a sterling silver lobster clasp and an adjustable chain. It is adjustable from 16in-18in. These beads are very small.