limestone- oklahoma molten stone Oklahoma Molten Stone has a weathered edge appearance with gray, dark brown and rust colors. This stone quarried in Oklahoma is excavated thirty feet below the surface and is segregated to size. This stone can be used for veneering and wall applications. It is packaged on pallets and is sold by the ton. AVAILABLE SIZES DESCRIPTION THICKNESS COVERAGE AREA Ledgestone 3" – 6" 40 – 45 sf /ton