Sardonyx is a variety of onyx that typically comes in shades of red (the word "sard" means "red"). Our selection of sardonyx beads are normally dark, and mainly display shades of black, dark brown, dark red, and cream. Some look very similar to black onyx or black banded agate. These sardonyx semiprecious beads display beautiful patterns, including bands, stripes and swirls! When possible, we also carry the classic red variety of sardonyx. Red sardonyx is frequently heat-treated to intensify the red.
Onyx is purported to help eliminate apathy, stress, and negative thinking. It is also said to sharpen wits, increase concentration, and prevent absentmindedness. Onyx is sometimes worn to help public speaking since it is believed to make the wearer more eloquent. Get these sardonyx gemstone beads while you can - they are not always available!