Shungite 20mm Coin - 15-16 Inch Stone Type_Quartz Lapis was ground and processed

Lapis was ground and processed to make the pigment ultramarine for use in frescoes and oil painting

The name derives from the Greek word for “not intoxicated” and was once believed to prevent drunkenness and overindulgence

Opals are hydrated amorphous forms of silica

The original stones were often used as protective amulets and are usually scarred or pitted in places where they were ground off for use in traditional medicines

Like all obsidian

Shungite 20mm Coin - 15-16 Inch Stone Type_Quartz Lapis was ground and processedShungite 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