This listing is for 1 Black Tourmaline chunk*One of My Favorite Stones**EMF Protection** Black Tourmaline is a powerful grounding stone*Ancient magicians relied upon Black Tourmaline, known as Schorl, to protect them from earth demons as they cast their spells. Today this stone is still revered as a premier talisman of protection, a psychic shield deflecting and dispelling negative energies, entities, or destructive forces.*It guards against radiation and environmental pollutants, and is highly useful in purifying and neutralizing one’s own negative thoughts and internal conflicts, and turning them into positive, usable energy.*