To get real gold does not necessarily work in the gold mines or washed river sand tons. This can be done in an urban setting. And the bigger the city, the more gold you can get. Just warning you to dig the ground, and the search for treasure.
Gold is contained in small amounts of sulfur compounds, copper, lead and iron. Gold crystals are rare, regular structure irregular grains, flakes, filamentous aggregates. Gold is distinguished by its specific gravity of rocks, and with proper washing remains at the bottom of the tray, among other mineral grains belonging to the heavy fraction of the concentrate. Remaining in the washing concentrate is usually dark in color, easy to see why gold with shaking.