The Seashell Limestone Tile Collection includes a combination of refined marble and design elements ranging from traditional to contemporary decors. The surface of this product has a finely honed finish, which brings out the inherent beauty of the stone. The subtle blending of color, style and design creates wonderful choices for floors, walls, counters and backsplashes. By way of definition, limestone is a sedimentary rock. It is has historically been used in Europe and throughout the world as a natural building material. The material has enjoyed a great deal of utility in architecture. Consider The Great Pyramid of Giza, for example.