Yes, Armenias Yerevan Basalt can be used outdoors. Basalt is a durable and versatile natural stone that can withstand outdoor conditions. It is weather-resistant, heat-resistant, and has good resistance against freezing and thawing cycles. Yerevan Basalt can be used for various outdoor applications such as paving, fa?ade cladding, landscape design, and exterior flooring. It can add a unique and elegant look to outdoor spaces while providing functionality and durability.