Handmade, natural product Stone: Black Toumaline Metal: 925 Solid Sterling Silver. Black Tourmaline is considered one of the best stones for psychic protection. A helpful stone for those who live in challenging environments, black tourmaline is said to clear the auras of imbalances and even destructive energies. Black Tourmaline is said to cleanse negativity and to provide high levels of purification to help in raising ones consciousness. Physically, black tourmaline is said to help cleanse the body of heavy metals and environmental toxins.