Natural stone, slate,gemstone Finishes: natural split, sawn, bush-hammered, flamed, sandblasted, polished, honed, chisel Natual Slate Roofing:Slate, Wall Slate, Slate Flooring, Slate Mosaic1. Surface Finishes: 1. Natural split 2 ... -11mm, 10-12mm, 14-16mm5. Best used for flooring, walling and paving etc Natural Slate Roofing