Black Tourmaline SpheresThese black tourmaline spheres feel wonderfully heavy and potent in the hand, and are about the size of a baseball. Black tourmaline is a grounding stone used to repel and protect against negative energies. Its considered to improve physical vitality, emotional stability, and promote a sharp mind. It is said to connect the base chakra to the center of the Earth. It is also thought to be helpful for dispelling dark and confused mental states. These