One ounce of gold can be stretched to a length of 50 miles; the resulting wire would be just five microns wide.
One ounce of pure gold could be hammered into a single sheet nine metres square.
Over 90 percent of the world’s gold has been mined since the California Gold Rush.
The chemical symbol for gold is Au, from the Latin word aurum meaning “shining dawn” and from Aurora, the Roman goddess of the dawn.
Most of the world's gold supply is extracted by hard rock mining; the process of using open pit or underground mining tunnels to retrieve the gold from the rock.
Where does gold come from?
China (The world's top gold producer for 10 years) Australia, Russia, USA are the leading producers by volume.