Black Onyx Ring - Sterling Silver It does exhibit a slight

It does exhibit a slight transition to a lighter brown near the tip of the specimen

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Black Onyx Ring - Sterling Silver It does exhibit a slightThis ring features a "basketweave" design with a flat, oval stone. Size: 9 Stone Size: 10 x 12 mm Black Onyx is a variety of silicate minerals similar to agate. The primary difference is the formation of the chalcedony bands. Agates show curved banding while onyx shows parallel banding. The word onyx comes from the ancient Greek word "" meaning claw. The uses of onyx for jewelry, tools, and art can be traced back almost 5000 years. Black Onyx is a