Black Onyx

Black onyx is a well known, deep black, opaque variety of chalcedony, which belongs to quartz family. It is valued for its smooth, cool feel and glass like shine. Because of its bold and elegant look, Black onyx is widely used in jewelry. Most solid black onyx available in market is made by dyeing natural grey chalcedony to achieve a rich black color and this treatment is commonly accepted as genuine.

Black Onyx Collection

Select from our wide range of 100% natural and lab-certified gemstones online, or connect with our executives for more options!

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