PRICE PER PAIR Style 1: Round disks. 3cm diameter. 0.5cm thickness Style 2: Disk and Triangle: Disk 3cm diameter. Triangle 3.2cm. Thickness 0.5cm Shungite and Steatite Origin: Russia Emf Protection 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