Chinese Grey Granite-Cosmos Star Granite,Granite Tile,Granite Slab 1)Finish:Polished 2)Color: ... Grey 3)Own factory Chinese Grey Granite-Cosmos Star Granite,Granite Tile,Granite SlabItemMaterialMarble, Granite, Basalt ,Sandstone ,Limestone ,etc ... (MPa)Shore Hardness (HSD)Bulk Density (g/cm3)Absorbtion (%)Cosmos Star 105 15 102 2.7 0.1