Marble is a natural stone that has been used for centuries in both sculpting and as building materials. The beauty of marble is renowned throughout the world. Many of the great buildings of the world were constructed of marble. The Taj Mahal is one building that is made out of marble. In the building trades marble slabs are most commonly used for vanity tops, table tops, tub decks, furniture tops, slab showers and in some cases, kitchen countertops.