tourmaline
Tourmaline is a semi-precious stone, a crystalline boron silicate mineral with a hexagonal growth pattern. Tourmaline is most often black, but can be found in a wide variety of colors including green, pink, blue, yellow, as well as bi-colored specimens + multi-colored such as Watermelon Tourmaline. Generally Tourmaline balances yin + yang energy in the body. Black Tourmaline is the quintessential grounding, root chakra stone that clears negative energies. Pink, Green + Watermelon Tourmaline resonates with + heals the Heart Chakra.