Yes, Lapis Lazuli can be used outdoors. Lapis Lazuli is a durable stone, primarily composed of the mineral lazurite, which is known for its vibrant blue color. It is commonly used in jewelry and decorative objects, but it can also be used for architectural applications such as tiles, countertops, and outdoor sculptures. However, it is important to note that like any natural stone, Lapis Lazuli can be sensitive to harsh weather conditions and may require proper sealing and maintenance to ensure its longevity and prevent damage.