Black Tourmaline, like most black stones, belongs to the Root Chakra. This stone is a super-shield, used to protect yourself from all forms of negativity. Whether it comes from your own thoughts or psychic attacks from others, this stone has you covered. Black Tourmaline is a great stone for those suffering from anxiety or depression, as it repels negativity and boosts your own self-confidence, paving way for thoughts of self-worth.