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Sardonyx is an ancient stone that was used in jewelry and signets in Ancient Egypt and Ancient Rome. Intrinsic Trading Sardonyx is an agate with desirable "eyes" made of parallel banding giving each bead a unique look. It is sure to add a bit of earthy matte elegance to any design. 

Sardonyx was made for the Leo (August birthstone) and is a perfect stone to enhance the courageous nature of the Leo. Sardonyx is composed of layers of sard and onyx appearing anywhere from a rich orange/red to black. 

Intrinsic Trading Sardonyx is found in India, Brazil, Germany, Czechoslovakia, Madagascar, Uruguay, and the United States.