Yes, Armenias Yerevan Basalt can be used for exterior applications in cold climates. Basalt is a type of igneous rock known for its durability, strength, and resistance to weathering, which makes it suitable for outdoor use. It is often used for construction materials, including paving stones, walkways, and exterior cladding. Given its natural resistance to extreme weather conditions, Yerevan Basalt can withstand the cold temperatures and freeze-thaw cycles commonly experienced in cold climates.