Black Tourmaline: Is a shamanic stone, providing protection during ritual work. It can be used for scrying, and was traditionally used to point out a cause of trouble or an offender, and to indicate a good direction in which to move. Black Tourmaline is an excellent grounding crystal for meditation and healing. Black Tourmaline soothes panic attacks, especially those caused by dark or confined spaces, or in places where the atmosphere is frightening. It also helps control fears of doctors or dentists. In the workplace, hold Black Tourmaline for a few minutes when you need to wake up your mind or when you need full concentration. It provides an excellent shield against environmental pollutants, electromagnetic smog, and radiation associated with cell phones, computers, and other electronic equipment. Measurements: Average stone sizing is: 2.25″ – 2.5″(length) x 1.5″ – 2.5″ (width) QTY: 1 STONE