Stone

Is a natural material of very hardness and strength They are heavy and resist enormous loads For its practical and expressive qualities.
 * ** What are stones? **
 * ** How many kinds of stone do you know? **
 * granite
 * slate
 * sandstone
 * quartzite
 * limestone
 * marble
 * phyllite
 * ** What characteristics do stones have? **
 * ** Why are stones used in construction? **

 The man, in order to develop in the environment around him, he needed to learn and use the materials at his disposal. The stone was one of them and soon realized its advantages and disadvantages. Could create modest structures in their natural state, I also believe wonders like the pyramids of Egypt. They learned to cut and move, in addition to overcoming the problem of its low resitance to tension Its adaptability, durability and expresivaidad has given the right to continue in use in these technological times.