Blue White Porcelain Agate 12mm Matte Round - 15-16 inch Rondelle Faceted with every gradient of gray

with every gradient of gray in between

It forms when Quartz and Feldspar crystallize in radial aggregates within other silica to rich stones

However in some regions

Ancient Cellar Black Agate is a natural agate that is dyed and heated to give it the unique color and pattern we call Ancient Cellar

Yellow Jasper is a golden brown stone with patterns that appear strikingly similar to wood grain

Blue White Porcelain Agate 12mm Matte Round - 15-16 inch Rondelle Faceted with every gradient of grayPorcelain Agate is a natural agate that is dyed and heated to give it the unique blue white color and pattern that resembles porcelain.