slate,it is natural black slate, color is black and stable, 10,000m2 can keep same color,it can make tile,mushroom,culture stone 1.model no:S1916 honed black slate, natural black slate flooring2.product name: slate3.brand-name:montary4.material:natural slates5.place of original:china6.color:black7.surface finish:honed finish,machine cut etc8.application:roof,square,floor,step,billards table etc9. ...