Yes, Vietnam Black Basalt can be used in landscaping. It is a popular choice for outdoor spaces due to its durability and aesthetic appeal. It can be used for various landscaping features such as pathways, driveways, stepping stones, garden borders, retaining walls, and decorative rock features. The dark black color of the basalt provides a sleek and modern look to the landscape design. Additionally, its hardness and resistance to wear make it suitable for high traffic areas.