Black Tourmaline resonates with the Earth energy, making this a powerful grounding tool. A top stone for protection as it will absorb the negative energy on you or in your environment. Black Tourmaline is a receptive stone with association with the planet Saturn. Sold by approximate weight - not stone size or count. 61- 71 stones. 1/4" x 3/4" - 1" x 2 3/8" from Brazil.