Sandstone consists of sand covered by silica, iron and lime. Cementing material determines the color of sandstone, iron sandstones are reddish, brownish; carbonaceous, black; siliceous, white and argillaceous, earthy to buff. The hardness of sandstones is important in deciding suitability for applications for sandstone Supply sandstone Tile & slab, Cut-to-Size, and random Size, More kinds of surface are available such as Flamed, Polished, Honed, Sandblast, Bush-Hammered etc