Yes, Brazils Colibri Rubi Quartzite can be used outdoors. Quartzite is a durable and hard natural stone that is resistant to weathering and can withstand outdoor conditions. It is commonly used for outdoor applications such as patio flooring, pool surrounds, and outdoor kitchen countertops. However, it is important to properly seal and maintain the quartzite to protect it from potential staining or color fading due to exposure to sunlight and other outdoor elements.