10MM Blue Coral Agate Slice and Cowrie Shell Charm bracelet set Blue Coral is attuned to the Root, Sacral, Throat, and Third Eye Chakras and linked to the astrological signs of Sagittarius, Aquarius. Blue Coral soothes and quiets turbulent emotions. It reminds us to breathe deeply and to step back and look at the situation logically and from a neutral mind. Blue Coral offers protection and healing from the ravages of depression and anxiety. It is a phenomenal tool to use when working on connecting First Chakra and Throat Chakra, allowing us to freely communicate about our most basic and necessary physical and emotional needs.