Stunning black onyx beads, gemstone donuts, and pendants work for a wide variety of jewelry applications from everyday wear to formal attire. Choose from a large selection of smooth and faceted bead shapes to fulfill your jewelry needs!
As with nearly all black onyx on the market, these semiprecious beads have been rendered a uniform, permanent black color with a treatment using sugar and acid (and/or heat). This process has been used on the gemstone for thousands of years and is water safe.
Black onyx is found worldwide, but is most commonly mined in Brazil, India, and Madagascar. Onyx is often used to change habits, help concentration levels, aid absentmindedness, and help eloquence. Because of the latter, people often wear onyx to help them in public speaking.