Sardonyx is the same stone as onyx, a banded agate with regular and uniform stripes. Onyx has a black base, sardonyx has a brown base. Like most agates, sardonyx and onyx are often dyed for color enhancement and uniformity.
Open up a whole new realm of design possibilities with these fantastically fashionable gemstone rings! The open center hole allows you to either display your stringing material such as Soft Flex's Trios line, or showcase a bead suspended within the center of the ring. The name fancy agate or fancy jasper can be used interchangeably, depending upon the translucence of each piece. Fancy agate/jasper blends a wealth of warm rich colors such as moss green, purple, mauve, beige, and grey. Fancy jasper is said to help an individual to both "lighten up" and inspire practicality. Because this is a natural stone, colors and patterns will vary from bead to bead.