Black Tourmaline is the most protective stone available to us here on earth it has a shielding effect on negative dense or heavy energies. The shielding effect of this stone occurs by way of the massive quantity of light within it that same light allows Black Tourmaline to protect us even from our own negative outputs by awareness. Gives a sense of safety and security as it shines light on and into the darkest places. Activates the base chakra anchoring spirit there. Balances the inner and outer perceptions of the world. Can activate the Kundalini energy. .The Liquid Crystal Oracle.