Yes, Calacatta Gold Sintered Stone can be used outdoors. Sintered stone is known for its durability, resistance to UV radiation, and low water absorption, making it suitable for outdoor applications. It is resistant to weathering, stains, and scratches, making it an ideal choice for outdoor countertops, flooring, wall cladding, and other exterior design elements. However, it is important to consult with a professional or the manufacturer to ensure proper installation and maintenance practices to ensure its longevity and performance in outdoor settings.