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
Oamaru stone In Oamaru itself the stone is most commonly found as the primary construction material, with many of the town's more notable buildings (such as the Waitaki District Council building) showing its distinctive creamy colour. Its ease of working also appeals to sculptors and examples of Oamaru stone sculpture can be found throughout New Zealand. The source of the stone is a 40-metre thick deposit inland from Oamaru consisting of bryozoan limestone. Oamaru stone is limestone with a uniform granular creamy white consistency and colour. Predominantly (90%) calcium carbonate, trace chemicals within it include alumina (1.5%), iron oxide (0.5%) and silica