Dimension stone machines that put on flat or rounded edges, and interconnecting conveyors to move the stone from the slab input to the final tile product. The stone for tiles is most commonly marble, but often is granite, and sometimes limestone, slate, or quartz-based stone. Common colors are white and light earth colors. Much of the stone for this application is produced in Italy and China. Stone monuments include tombstones, grave markers or as mausoleums. After being gangsawed into big deep (up to wide and over 6 inches deep) slabs, smaller saws or guillotines (they break the granite and make the rough
Lutetian Limestone was the city's name in ancient times. Between the 17th and 19th centuries, Lutetian limestone was extracted by tunneling through hill-sides south of Paris. The stone comprises many of the grandest Paris buildings from the 17th century onwards, including parts of the Louvre, the Place de la Concorde and Les Invalides. Haussmann's grand renovation of Paris (1853-1870), which provided a sweeping and uniform style and an elusive coloring — ranging from bright white to butter-yellow to a dull nicotine-yellow/grey — for the city, relied upon buildings faced with Lutetian limestone. In the 20th century, open-cast quarries were developed which uncovered