Yes, Byurakan Tuff can be used outdoors. Byurakan Tuff is a type of volcanic rock commonly found in Armenia, specifically in the region of Byurakan. It is a durable and weather-resistant material, making it suitable for various outdoor applications.

Byurakan Tuff is often used in the construction of buildings, walls, and pavements due to its strength and unique aesthetic appeal. It can withstand outdoor elements such as rain, sunlight, and temperature changes without significant deterioration. Additionally, its natural texture and color variations add a rustic charm to outdoor spaces.

Moreover, Byurakan Tuff is also used for landscaping purposes, including the creation of pathways, retaining walls, and decorative features. Its ability to withstand outdoor conditions makes it a reliable choice for such applications in gardens, parks, and public spaces.

Overall, Byurakan Tuffs durability and weather resistance make it a suitable material for various outdoor uses, both in construction and landscaping.