144 страниц. 2012 год. LAP Lambert Academic Publishing Gold was the first metal widely known to our species. Gold has always had value to humans, even before it was money. This is demonstrated by the extraordinary efforts made to obtain it. Prospecting for gold was a worldwide effort going back thousands of years. The 'value' of gold was accepted all over the world. Today, as in ancient times, the intrinsic appeal of gold itself has that universal appeal to everyone. Further Gold is an ancient metal of wealth, commerce and beauty. In addition it also has a number of unique properties that make it highly useful to industry.Gold became a part of every human culture. Its brilliance, natural beauty, and luster, and its great malleability and resistance to tarnish made it enjoyable to work and play with. Gold has always been powerful stuff. The earliest history of human interaction with gold is long lost to us, but its association with the gods, with immortality, and with wealth itself is common to many cultures throughout the world.