Things we do not know about gold .....................

Most of the gold that was discovered since 6000 is still in the possession of rights. Though the compilation of this gold and his brother has a rib 59 cubic feet and weighs 103.000 metric tons
Gold is a metal more flexibility and can voluntarily withdraw an ounce in the form of a wire length of 5 miles or roads in the form of a very thin plate to cover an area of 100 square feet
Gold is more dense elements of the world, it is the densest of iron two and a half and lead was doubled. That the square feet of gold weighs about 1200 lbs
To extract one ton in mines can be obtained through him, one ounce of gold
That the Federal Reserve Bank in New York City stores, 12 and .500 metric tons of gold worth about 144 billion dollars in the safe under the land area half the size of a football field
Is estimated to be worth 8 billion tons have melted in the oceans of the world, and there are 35 thousand metric tons is still present in the Earth's crust
More than 19 tons of gold is manufactured in wedding rings each year
The jewelry industry is the most commonly used for gold without comparison day, that about 2000 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
In some cases, gold chips are used for the work of cake decoration and often occur in Japan
Carat word (a word used to describe jewelry) is derived from the words of an Arab, Greece and Italy to describe the pills carob tree. The carob tree seeds are used by traders counterweights on the sale of gold and jewelry
The jeweler uses to detect the purity of a sample of 24 gold needle reach the golden purity of the first to 1 / 24 of the last sample is selected by the scratch test for gold and then comparing the result with scratches scratches caused by needles. Although the use of Mahkat and needles to detect the purity of gold is no longer fashionable, that the system of purity remains. Thus the gold of 24 carat gold is 100% pure and 18 carat gold is a part of 18 gold and 6 parts of other metals, and so on
The first production of gold at the United States was in North Karawlinia and not in California, and in 1799, followed by the productivity of others in an atmosphere رجيا in 1828
The mine (Hom steak) in hand, South Dakota, the oldest gold mine in the world, has been the discovery of gold there for the past 115 years
Gold Discovered the largest bloc is (Wellcome Stranger) and discovered in Australia in 1896, which weighs 2.280 troy ounce .