Banded Agate Rings: A Timeless Fusion of Beauty and Elegance Banded Agate is a mesmerizing gemstone famous for its rare banding patterns and vivid colors, a type of chalcedony quartz that belongs to the Agate family. The creation of Banded Agate happens in concentric layers, which results in stunning banded and striped patterns. During the process when it is formed, these patterns are also generated by the deposition of several minerals, such as iron oxides, manganese, and other impurities. This unique gemstone has been discovered in several parts of the world, and the places include Brazil, Mexico, the United States, and India. Each place creates its own individual variations of Banded Agate that display the formation of colors and patterns.