Sardonyx is a variety of onyx that typically comes in shades of red (the word "sard" means "red"), and may display shades of black, dark brown, white, cream, and light to dark reds and oranges. These sardonyx semiprecious beads display beautiful patterns, including bands, stripes and swirls. Our red sardonyx is usually 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.
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