Black Tourmaline Rune Set at Wholesale Price only at Anam Agate. Black Tourmaline crystal is a powerful stone for protection against negative energy of all kinds including psychic protection and EMF protection. It is also a strong spiritual grounding stone. Black Tourmaline is a protective stone which repels and blocks negative energies and psychic attack. Black Tourmaline will cleanse, purify, and transform dense energy into a lighter vibration. A popular metaphysical stone, Black Tourmaline is also great for grounding. Gemstone runes are pleasingly heavy when cast, and undeniably beautiful to work with. Runes are made with precious gems, semi-precious stones, or even ordinary pebbles. Rune stones, they say, are a modern, New Age invention. Order online today.