Stone products are the most luxurious and timeless material available for architecture and interior design installations. Variations in colour, pattern and texture make natural stone visually interesting and impossible to duplicate. For earth-friendly building material, natural stone products, such as marble, onyx and granite, are the natural choice. Whatever your natural stone preference, it means you value quality and the environment. The timeless beauty, variety and durability of engineered stone, such as porcelain and quartz, raise their profile as a design material.