Onyx primarily refers to the parallel banded variety of the silicate mineral chalcedony. Some onyx is natural but much of the material in commerce is produced by the staining of agate. Onyx was used in Egypt as early as the Second Dynasty to make bowls and other pottery items. The colors of its bands range from black to almost every color. Onyx is a stone that has had many definitions applied to it over the centuries. Onyx slabs bring a level of desirable luxury into any modern space. Exotic statements of nature. Onyx is a magnificent gift of nature. it is a gift of warmth that includes an incredible depth of color. The stone is formed by nature into translucent layers of marble. They provide a focal point wherever they are used. The onyx color palette goes from a rich neutral to exotic depths of color. Define your living space and your appreciation of truly natural art.