Valdeorras Casayo Slate is a kind of black slate quarried in Spain. This stone is especially good for Interior, Exterior,Roof Tiles, Wall Cladding, Landscaping, Pool Pavers, Wall Capping and other design projects. It also called Pizzara Negro Casayo,Valdeorras-Casayo,Valdeorras Casayo Black Slate,Pizarra Valdeorras Casayo . Valdeorras Casayo Slate can be processed into Sawn Cut, Sanded, Rockfaced, Sandblasted, Bushhammered, Tumbled, Thermalled, Natural Cleft, Weatheredge and so on.