Since ancient times, onyx was often mentioned in conjunction with various precious gems. Cultured people have often used onyx to create exceptional pieces of jewelry. A sedimentary stone transformed specifically by volcanic heated waters, onyx seems to retain an almost watery glow. Now you can have the luminescent quality of onyx within your home from our selection of onyx tiles. At PDTM, we offer unique shades of onyx such as honey and carmel along with traditional whites. The exquisite green onyx.