Garnet, Carnelian, Citrine, Aventurine, Turquoise, Lapis and Amethyst.
6 3/4 inch fit length, with 1 inch extender chain.
14kt gold-filled metal. 
Each color of the chakra rainbow is linked to one of your chakras. Garnet for Red is linked to the Root chakra, Carnelian for Orange is linked to the Sacral chakra, Citrine for Yellow is linked to the Solar Plexus chakra, Aventurine for Green is linked to the Heart Chakra, Turquoise for Light Blue is linked to the Throat chakra, Lapis Lazuli for Dark Blue is linked to the Third Eye chakra, and Amethyst for Purple is linked to the Crown chakra.