Shungite 4mm Round - 15-16 Inch Control River Stone is a form

River Stone is a form of limestone composed of quartz

this semi to precious variety of quartz is found in many locations around the world

and is similar to Mahogany

Ruby has long been considered one of the most beautiful and valuable gemstones on the planet

It has been discovered with artifacts from cultures of the Neolithic Period

Shungite 4mm Round - 15-16 Inch Control River Stone is a formShungite is a black, lustrous, non crystalline mineraloid consisting of a high percentage of carbon. It was first found in a deposit near Shunga village, in Karelia, Russia, where it gets its name. Shungite has been used as a folk medical treatment since the early 18th century. Peter the Great set up Russia's first spa in Karelia to make use of the water purifying properties of shungite. The antibacterial properties of shungite have been confirmed by