Approximate size of the pieces: 2.8 cm in diameter without chain. Approximate weight of the pieces: 8 - 10 g Origin: Russia Shungit products may stain. The pieces that will be delivered are similar to those in the photographs. THERAPEUTIC PROPERTIES Shungite neutralizes part of the electromagnetic fields produced by the electrical devices that surround us, acting as a shield, and in this way it also helps to strengthen and stabilize body energy. It is used for cleansing and protection, to discharge and cleanse the body of static electricity, as well as to calm pain and regenerate the body. Benefits have also been seen in water treatment thanks to its antibacterial properties. It favors the purification of water and the sanitation of the earth from chemical waste, acting as fertilizer thanks to its trace element content.