The Latin aurum for Gold means “shining dawn”.

Gold has chemical symbol Au, melting point 1,064 °C and boiling point 2,600 to 2,864 °C.

Gold does not come from Earth; it was formed at explosion of stars and transported to Earth by meteorites some 200 million years after the Earth’s formation.

Gold content in a ton of Earth’s crust rocks averages at 0.0045 g.

Purity rate (“pure” = clean, unalloyed) is a numerical representation of relative mass content of gold in an object or alloy.

Purity rate is traditionally noted in karats (kt) one karat being 1/24 of the total mass so a pure gold has 24 karats.

Gold is present essentially everywhere; it migrates from rocks to water, plants as well as animate beings.

Our body contains about 0.2 milligrams of gold, mostly in blood.

Gold is edible and does no harm to us therefore it is used also in high gastronomy.

Pure gold is soft and can be scratched by nail.

Gold is the second most conductive metal behind silver.

Gold is at 79^th position in Mendeleev system of chemical elements.

Gold has high density; 19 times higher than water and 2.5 times higher than iron.

One ton of gold can be accommodated by a cube with 37.27 cm long edge.

One ounce (31.1 g) of gold can be hammered out to a 9 x 9 m plate or 76 km long wire.

Objects are gold plated using gold flakes of 0.0001 mm thickness.

All physical gold in the world could be contained on the first floor of Eiffel tower.

The biggest gold brick in the world weighs 250 kg.

The year-by-year increase of world’s stock of extracted gold is only 1 to 2 %.

Nugget is a natural piece of gold of various size and shape.