Natural Shungite Square Tile Top polished. Bottom unpolished Shape:- Square Size:- 10x10x1cm Polished Handmade Origin:- Karelia, Russia PRICE PER PIECE Shungite is basically a very pure form of Carbon, Precambrian carbonaceous rock of organic origin, which had been found only in Russia, Karelia, Lake Onega area. Its name comes from the small village of Shunga where it was first discovered. Scientists estimate the age of shungite to be approximately 2 billion years. It is conductive & a very interesting mineral that can be used for water purification & is said to be beneficial against EMF / Radio & Cell Phone Radiation