Sardonyx Palmstones Large

Sardonyx is a chalcedony crystal who’s banding is formed when Silica-rich waters seep into cracks in rocks at low temperatures. Quartz then grows from the deposited silica. These crystals vary in color from a light orange/red to a dark brown color. These crystals are usually found near volcanic activity; In Brazil, India, Germany, Madagascar, and in the US.