Black Tourmaline Towers - A sizeBlack 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. In tower form, this black tourmaline feels more "directive" and sharp (versus rounded forms) as if to pierce through illusion