Granite is one of the most common rock types in the world. It is a deep rock that forms deep in the earth's crust and then undergoes a slow cooling process. Gratin can have a coarse-grained structure and come in many different colors, from white to red and black. It depends on the differences in the mineral composition and in the texture, some millimeter-sized and others can be several centimeters. It is a very hard and crack-free stone that can withstand unusually high resistance, thus it is one of the most common stones that has come into widespread use in many parts of the world. It is used for street paving, building stone, masonry, worktops, etc.