PURIFICATION, LOW VIBRATION, & PROTECTION ~ 1" Chain ~ EMF & 5G Protection stone Properties of Black Tourmaline: Purification and protection Chakras: Root (1st) Spiritual properties: Aids with grounding and cleansing of the energy field Black Tourmaline offers psychic and energetic protection for those who work or live in challenging places or circumstances. It can help to keep ones aura clear of imbalance when in the presence of destructive energies. Its known as a purification stone because of its ability to clear ones etheric field and surroundings of negative energy and disharmony. Helps bring balance to the root chakra.