1.)slate,slate stone,natural slate,slate 2.) Quanlity:100% A grade 3.) Color: ... ,Red,Grey Slate ,slate,slate stone,natural slate,slate ,Natural slate,wall cladding panel.slateNatural culture stoneMaterial:Natural culture stone,slate, quartzite, sandstoneDimensions:24"X6 ... quarries. Our natural slates with solid textures are exploited from stone deposits which have been formed over billions of years.3 ...