Shungite 8x5mm Rondelle - 15-16 Inch African Turquoise piñon Cubano

piñon Cubano

a green-colored mineral

The presence of chromium is what gives a ruby its red color

and this phenomenon is thought to be due to impurities of yttrium or organic matter within the crystal lattice

The best available information indicates that the stone is a type of Dolomite that has been altered by volcanic activity

Shungite 8x5mm Rondelle - 15-16 Inch African Turquoise piñon CubanoShungite 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