Onyx is a type of mineral and chemically belongs to the silicate mineral family. Onyx is a type of chalcedony mineral and is usually black or dark in color. But it can also be found in white, brown, green, bluish and reddish hues. Onyx is often used for decorative purposes; It is especially used as an ornament in jewelry making, stone carving, and architecture. Also, natural stone has various meanings in some cultures, and onyx may also play an important role in these cultures.