Yes, Brazils Blue Clouds Quartzite can be used outdoors. Quartzite is a durable and weather-resistant natural stone, making it an excellent choice for outdoor applications such as patios, pool decks, walkways, and outdoor kitchens. Its strength and resistance to staining, etching, and fading make it suitable for various climates and weather conditions. However, it is always recommended to consult with a professional stone fabricator or supplier to ensure proper installation and maintenance of the quartzite for outdoor use.