Yes, Indias Desert Raja Slate can be used outdoors. It is a durable and weather-resistant natural stone that is suitable for use in various landscaping and hardscaping projects, such as paving, pathways, patios, and many more. Its unique natural texture and color variations add a touch of elegance and sophistication to outdoor spaces. However, it is important to note that slate is a relatively soft stone that can be prone to scratches and chipping, especially in high-traffic areas. Therefore, it is best to apply a protective sealant to ensure its longevity.