PURIFICATION, LOW VIBRATION, & PROTECTION Gold plated over copper Adjustable 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 one's aura clear of imbalance when in the presence of destructive energies. It's known as a purification stone because of its ability to clear one's etheric field and surroundings of negative energy and disharmony. Helps bring balance to the root chakra.