Stone

==== The word stone (Greek πέτρα, "stone") as the raw material, the stone is usually extracted from quarries, open pit mining. Quarrying is one of the oldest crafts tradition. In architecture, it is considered a stone building material, which traditionally has been being used as one of the main materials used for the implementation of the various elements of buildings. ====
 * ====** What are stones? **====


 * ====** How many kinds of stone do you know? **====
 * ** What characteristics do stones have? **

//Sedimentary rocks//: rocks formed by consolidation of sediment material from the weathering of rocks above, or precipitation from solution.
==== This primitive technique is the use of a natural element, together with or without use of mortar, the stones together without mortar using the force of gravity (a bone), the mortar joints may use different types of mortar. The stone building has many advantages, durability, easy maintenance, the thermal inertia and noise. In addition, processes or processing of stone, usually consume little power. ====
 * ====** Why are stones used in construction? **====

//** Paragraph: **//
The use of stone as building material have primitive origins. This material has many advantages and disadvantages. some advantages: durability, easy maintenance and easy to carve. Some disadvantages are difficult to handle (extract, cut and transport) and is not economical. There are two ways to stonework: in rubble or blocks just barely bonded. **The simplest and cheapest stonework is rubble, that is stones that are cut into shapes that are not defined. The strongest and most suitable stonework for architecture is ashlar** **masonry, which consists of regularly cut blocks and the stone is now widely used to coat surfaces for its aesthetic.** media type="file" key="stone.mp3" align="center"