FMB037 Black Tourmaline5 set glass and metal bead stretch bracelet Black Tourmaline, a member of the Tourmaline family, is a protective stone which repels and blocks negative energies and psychic attack. Black Tourmaline also aids in the removal of negative energies within a person or a space. Black Tourmaline will cleanse, purify, and transform dense energy into a lighter vibration. Natural stones vary in colour *APPROX. Diameter 2. 25