►Size: About 5"-6" (120-150mm)
► Material: Black Tourmaline
►Weight: About 1.8kg
►Black Tourmaline Point is a natural crystal composed of lithium aluminum silicate. It displays an impressive hardness of 7-7.5 on the Mohs scale and has remarkable electrical qualities - it is both pyroelectric and piezoelectric, meaning it can generate electricity when placed under pressure or heat. Black Tourmaline Point is versatile, providing protection against electromagnetic radiation.