Yes, United States Bradshaw Schist can be used outdoors. Schist is a type of metamorphic rock that is durable and weather-resistant, making it suitable for outdoor applications. It is commonly used as a building material for steps, walkways, patios, and other landscaping features due to its natural beauty and resilience. The Bradshaw Schist specifically refers to a type of schist found in the Bradshaw Mountains region of Arizona, which is known for its unique color variations and texture, making it a popular choice for outdoor projects.