If you're looking for natural sardonyx beads you've come to the right place! What is sardonyx? Sardonyx refers to a parallel banded variety of the silicate mineral chalcedony. White the banding is typically white in color, the rest of the stone can be found in a variety of different colors including black, brown, red, orange and others. For more information about our natural sardonyx agate beads collection please give us a call.