Scientific research for gold
Gold is a kind of precious metals, which are characterized in several extras
Today we talk about gold
Today gold is a semi-essential coin between states and state possession of gold to be strong in markets and social status that today's society is seen to save and store gold because the precious metal has become a gold key role in the process of marriage, especially in the Arab countries has become the pair move up to his bride and in his hand part Set of gold today will talk about the sources of the presence of gold and how his brother and since when was discovered
Since gold was discovered in 6000
Still many different prices and types of human remains in the possession of
Rights and use it in many areas
It is used in marriage and keeping wealth and the countries that went Bhoozatha Ktearer said to be rich Dolhh
. Had this been compiled and gold was smelted
Constitutes a rib 59 cubic feet and weighs 103,000 metric tons
Gold is the most malleable metal and can voluntarily withdraw
Per ounce in the form of a wire length of 5 miles or roads
In the form of extremely thin plate covers an area of up to
Of 100 square feet
Gold is the world's most elements of the density, is the densest
Iron twice and a half times and lead twice.
The square feet of gold weighs about 1200 lbs.
The extract one ton in the mines can be obtained
From which to one ounce of gold.
Federal Reserve Bank in New York City stores
12,500 metric tons of gold worth about $ 144 billion
Dollars in safe underground area half the size
Football stadium and the price of gold today in a permanent increase.
An estimated $ 8 billion tons have melted in the world's oceans,
And that there are 35 thousand metric tons still exist in the earth's crust.
More than 19 tons of gold is manufactured in
Wedding rings each year.
Jewelry industry is the most commonly used for gold without
Compared to today, with about 2,000 tons of gold used
In the jewelry industry in 1990, up from mine production
Which has a volume of 1734 tons in the Arab world.
Sometimes gold chips are used for work
Decorative cake and this often happens in Japan.
Word carat (a word used to describe jewelry)
Derived from Arabic and Greek and Italian words to describe beads
Carob tree. The pills are used carob tree
By traders counterbalance when selling gold jewelry.
Jeweler used in the detection of sample purity of gold
24 golden needle up to the purity of the first 1/24 of the last
Are selected by the sample to the test for strep and then went
Compared with scratching caused scratches caused by needles.
Although the use of needles and Mahkat to detect
The purity of gold, but it is no longer fashionable, however, that the purity system
Remains. Thus the gold is 24 carat gold
100% pure 18 carat gold and is a 18-part
Gold and 6 parts of other metals, and so on.
The first production of gold in the United States was in the north
Karawlinaa not in California in 1799 and then followed
Joe yields in other Georgia in 1828.
The mine (Hom Steak) in hand, South Dakota,
The oldest gold mine in the world, has been the discovery of gold
There over the past 115 years.
The largest block is gone undiscovered (Wellcome Stranger)
And discovered in Australia in 1896, which weighs 2.280 oz.
That Nlqakm other topics in which the public information about the minerals in the next newsletter will talk about the coral