This rugged 3" arrowhead pendant features black obsidian and Tibetan turquoise stone on a 20-inch chain, available for $30. Wearing an arrowhead necklace is believed to offer protection. Black obsidian is a potent stone with shielding properties, releasing resentments rooted in anger and fear, associated with the Root Chakra, with vibrations ranging from earthy to medium. Tibetan Turquoise is a calming stone, believed to bring happiness and good fortune when given by a loving hand, associated with all Chakras.