Chakras are the energy centers in each of us that vitalize the physical body: This Necklace has an impressively large pendant (55mm including loop), with hand-twisted wire and 7 natural semi-precious stones: Amethyst,Rock crystal,Citrine,Aventurine Tiger's Eye,Opal,Agate It hangs from a braided black leather cord which measures 17 1/2 inches and has a 2 inch chain extender, allowing you to adjust the length. The cord is 2mm wide with a lobster claw closure.