Natural elements create dark drama in the onyx 12mm coin beads from Dakota Stones. Available in 8-inch strands, these coin-shaped beads feature a glossy black color that would work well in any type of jewelry design. Onyx is a variety of chalcedony that is similar to agate, with straight rather than curved bands. Nearly all black onyx on the market has been rendered a uniform, permanent black color with a treatment by sugar and acid or heat. This process has been used on onyx for thousands of years and does not decrease the value of the stone. Mined in Brazil, India and Madagascar, onyx is said to bring balance to the mind or body as well as bring strength of mind. Dakota Stones offers high-quality gemstones that are all useable in jewelry designs because every bead is checked to ensure they are cut and drilled correctly, that the finish is right and that the beads look distinct to their stone type.
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