Blue/Black limestone slabs,cut to size tiles Natural cleft,mushroom,honed,sawn,flamed,etc. For tiles,stair step,cobblestone, Chinese Limestone, Blue ... , etc.6. Fit For: Tiles, Wall Tiles, Floor Tiles, Stair Steps, Countertops, Paving stone, Sinks, Window sills, Mosaic, Fountains, Shower Trays, etc.7. Color ... sight11. Min. order : 200 m2 Limestone Window Sills and Stairs, Tiles