Sapphire Blue is a unique limestone with a blue gray light appearance with beautiful crystal blue dots fossilized sedimentary rock extracted in Portugal. This stone is especially good for Building stone, sinks, monuments, pool coping, sills, ornamental stone, interior, exterior, wall, floor , paving and other design projects. It also called Sapphire Blue AB5 Limestone,Moleanos Blue Limestone, Ataija Azul Limestone . Sapphire Blue Limestone can be processed into Honed, Aged, Polished, Sawn Cut, Sanded, Rockfaced, Sandblasted, Bushhammered, Tumbled and so on.