As gold coin makers, we get to work with
one of the most amazing materials in the Universe.
Here are 12 astonishing features
we’ve found cited about precious gold:
Gold is made
in supernovas – massive cosmic explosions that hurl out materials which
gather together to form planets.
Earth’s gold is buried too deep to be recoverable.
the surface is the result of meteorites storms that bombarded Earth after it
of gold in the Earth’s crust is 0.004 parts per million.
world’s oceans are estimated to hold up to 15,000 tonnes
dawn of humankind, less than 172,000 tonnes of gold
have ever been mined.
of recovered gold would fit into a box of 20 cubic metres.
it is not unusual for 10 or more tonnes of rock to be
mined to get 1oz of gold.
extraordinarily dense – a cubic foot weighs half a ton, making it
almost twice as heavy as lead.
highly malleable and ductile – 1oz of pure gold can be beaten into a
sheet measuring nine square metres or drawn into a
wire 80 kilometres long.
nanoparticles thousands of times smaller than the diameter of a human hair
are used in medicine.
average human body contains 7 milligrams of gold.