ShellStone is a product style in the SeaStone Collection series. ShellStone is a cementitious stone containing a proprietary admixture using natural fossil shell and other aggregates which vary from piece to piece designed to replicate the appearance of natural stone. Authentic fossilized shell with a machine ground smooth face finish showcased in any one of our base natural colors of white, buff or grey engineered to replicate a natural stone occurrence. ShellStone is designed to be used as a mix and match to the other styles in the SeaStone collection.