This beautiful black tourmaline has visible clear quartz inclusions. And has a 2nd smaller black tourmaline that has grown on one of its sides. A true unique piece. Black tourmaline is great to deflect negativity, it is also helpful to deflect electromagnetic waves emitted by electronic devices.it amplifies the intention of putting up a mental protective force field. Measure about 4 1/2 inches long and about 1 1/2 inches tall.