Marble refers to a metamorphic rock formed by limestone or dolomite, often with a different color due to the different impurities it contains. Marble is the main component of calcite, calcite is the crystal of calcium carbonate. It is widely used in carving materials, building materials. "Marble" refers to the popular use of a variety of high-polished stone. Marble is very many colors, such as black, red, gray, white, pink, green, variegated and stripes. Marble is a hard surface material, and very heavy, it is usually in the form of a large plate. Marble is generally used for roof, floor, wall and other interior and exterior decoration applications. There are many types of marble stone, including different types of tiles, plates, blocks and other projects, this stone is very suitable for decoration at home, office and other places.