Yes, New Zealands Wakatipu Green Schist can be used outdoors. Green Schist is a type of metamorphic rock that has unique chemical and physical properties, making it suitable for a variety of outdoor applications. It is commonly used for building and landscaping purposes, such as cladding, paving, walling, and decorative features in gardens. The natural green color and texture of Wakatipu Green Schist can enhance the aesthetic appeal of outdoor spaces while providing durability and weather resistance.