gold

GOLD

PROPERTIES OF THE GOLD

Hardness: 9.5

Elasticity: 0.5

Britelness: 6.4

Heat´s conductor: 7

impermeability: 10

transparency: 1.5

 GOLD´S USES

We can use the gold to make throfies, coins....

FROM WHEN COMES THE GOLD

Gold is an element, a mineral, a precious metal that we all know and whose use extends from industrial metallurgy to jewelry and personal use. Gold is the most precious and coveted by humans metal, is that the value of this mineral has always been high, and attributed the meaning of wealth and power.

CURIOSITIES

-1000 Gold leaf are equal to the thickness of a human hair.

-The Rarest form of gold is a nugget.

-The Biggest nugget weighed about 70.8 kg and was accidentally found on the surface of the earth in Victoria, Australia, in 1869.

-South Africa is the main supplier of gold in the world.

-The Gold peaked in price from $ 800 per ounce in 1980.

-A Real gold nugget is considered a gemstone to be rare and beautiful.

'Even when gold is rare, it is easier to find than the possibility of winning the lottery.

-There Are about 10 billion tons of gold in the ocean, however, still a method was found to recover with economic benefits.

-The "Forty-Niners" were who traveled to California in 1849 to gather gold. They were also known as the Argonauts 49.

-More Than 30 million cars are equipped with air bag electrical system cuyoscontactos are clad in gold, ensuring that the system will work perfectly.

'In medieval Europe, alchemists gold dust mixed drinks to improve pain in the extremities, one of the earliest references to arthritis.

Gold-today is still used in combination with other components, in the treatment of rheumatoid arthritis.

Dentists -The Americans use about 13 tons of gold each year for crowns, bridges, inlays and dentures.

This is because gold is non-toxic, can easily mold, and never tarnish and corrode.

-Today it is essential to ensure reliability in the operation of electronic products: telephones, televisions, camcorders, CDs and personal computers.

Every time someone plays a key on a computer, operated a gold circuit that transmits the order to the microprocessor.

-The Gold reflectivity is used for diversion and confusion of the signs of heat-seeking antiaircraft missiles. The plane of President of the United States is protected by anti-missile reflectors gold.

-The Pyrite is a mineral composed of iron disulfide, and its color often fools novices who think they discovered gold. This is called "Faux gold"

-The Vein is one of the best ways to recover and find gold. Although each ounce of gold recovered requires 100,000 ounces processing raw material, there are both gold deposited in rocks that this method gives more than half of the total gold produced today.

The gold veins can be found as microscopic particles, nuggets or sheets, or in clusters.