What is basalt road paving? Brand:Xiamen For U Stone Imp. & Exp. Co., Ltd. MOQ: At least 50 square meter Code:black cubestone ,basalt cubestone,basalt driveway Slab: (2200-2600)mm X (1300-1600)mm X 20mm , 30mm Tile: 800x800mm, 600x600mm, 300x300mm, 300x600mm.