The gold, like no other metal, has a fascinating history and a special place in the world. It is used in a range of the essential uses of every day for the modern life. The gold has considered one of the most precious metals of the world. The main uses for gold are jewelry shop, odontolgy, adornments in buildings and artistic expression. Many unique characteristics of gold have assured it a central paper in history and the human development. The gold has been considered by people since from the most remote times it is used to make the statues, the icons and also so that the jewelry shop adorns our bodies.
The objects of carved confused art and the jewelry shop with are shortage in the sumerian real tombs and the tombs of Egyptian kings. The chemical symbol of gold, au, comes from the Latin word for gold, aurum. In the periodic table of elements, the gold is classified like transitory metal with the following characteristics; In its pure form, the gold has a metallic luster and is yellow of the sun, but when it is mixed or beaten wings with other metals, such as silver, receives, zinc, the nickel, the platinum, the palladium, the tellurium, and the iron, creates the several tonalities of the color that extend of silver-target to green and to orange-red. Generally, the tones of red, yellow and the green ones are done adding amounts that vary of copper and the silver to produce alloys of 10 to 14 carats.