Stone

= Rock or a piece of rock shaped or finished for a particular purpose. Piece of rock that is used in construction: a coping stone; a paving stone. =
 * =What are stones? =

== = I really don't know so much about the stones. Some types of stones that I know are the marble, granite and limestone. = = = = = = = =Most of the stones can be identified by their color, hardness and crystal formation. All of them are differents but good stones are characterized by durability, hardness, strength, amenability to dressing, appearance, weight, fineness of grain, compactness, porosity and absorption. =
 * =How many kinds of stone do you know? =
 * =What characteristics do stones have? =

= = = The stones are used in the construction because has the capacity to stand the ravages of time and weather, requisite strength to bear strain and super-incumbent weight. =
 * = Why are stones used in construction? =



The Stone == In different areas, the stone has been long considered as the favorite material among designers for its simplicity, shape, hardness, durability and sculptural adaptability to treatment, but the stone also has disadvantages that are taken into account when a construction, as is apologetic to quarry, transport, cut, weakness in tension, etc., but the hardness has involved in various architectural constructions as it supports much more than any material, that is, is tough. The stone can be found in various forms which you can apply different uses, from building a wall where stone blocks are used to the decoration of a wall. Stone is a natural element easy to find despite its drawbacks this material is essential in a building, they are always looking for material to be found in large quantities, which must come from abundant raw materials, besides the stone can be used directly without being processed, or as raw material for other materials, so the same building materials common feature being durable. Depending on use, the  must also satisfy other requirements such as hardness, mechanical strength, fire resistance, or ease of cleaning and these benefits make the stone base material in a building. media type="file" key="stone.mp3"