Square Alwar Quartz has a higher blast resistance than stone because once the Cobblestone is smelted, it loses some of its strength, thus lowering the blast resistance. It features a gray exterior and cracks. These are long-lasting, strong, and can add an ambiance and visual appeal that cannot achieve , concrete, or asphalt driveway. Square Alwar Quartz gives a very strong impression on everyday use. When replacing one, it will be simple to find a match because these hard rocks are appealing and come in a variety of natural colors.