If extreme pressure and heat expose limestone, the limestone will be changed into marble. The marble characteristic is denser and has more attractive veining and colors rather than limestone. However, though the marble is a softer stone than porcelain or granite, it still has durability so that it can be used for shower stall and other bathroom marble, countertops, or even floorings. However since marble is absorbent, the surface of marble must be finished with seal to help protect from damage and staining. Therefore marble is good enough to be used for bathroom fixtures. However, the marble must be prevented from stain and other damaged so that it can be more durable.