Blue and red agate, emeralds, diamonds, jade, gold, are the most precious gemstones that are extracted, sold and exchanged. Many of the precious metals are a rich source of man, and sometimes measured for his standard of living and wealth, who has the rarest of gemstones in the world must be considered one of the richest people in the world. In this article we will talk about one of the most important minerals, namely gold.
Gold is a precious metal and a chemical element of the symbol Au. Its atomic number is 79, which is soft and shiny metal. It is yellow in color and has been used since ancient times as a kind of exchange between peoples and merchants. There is gold in nature in the bottoms of rivers in the form of granules, as it is found within the rocks, or we find it in the form of veins inside the ground, which is often found with other metals such as copper or copper, which is characterized by its softness, chemical density and low erosion, The largest mass of gold was discovered in 1896 in Australia.
Gold is extracted from the ground and from the gold-bearing rock veins. It is found in the United States of America, such as California, Dakota, Alaska, South Africa, West Astrabia, Ontario, Canada, and the Urals. ) In South Africa accounts for 40% of the world’s gold production.
Today, gold is considered an important monetary base in the world, and is the basis of the currencies of the International Monetary Fund and the Bank for International Settlements. In addition, the Pharaohs used it to make their coffins and carriages and convinced them as the Pharaohs. Because of its characteristic properties such as its softness, its ease of pulling and forming, and its effective resistance against corrosion, it can be mixed with other chemical elements such as copper, Silver, to get a solid alloy, and mix with platinum as well, and as a result it can be used in the manufacture of fine precious jewelry and jewelry, which is known as gold (yellow) and which is mixed with copper, silver and zinc, as well as white gold mixed with palladium and tin.
Gold is not only used in jewelery and coins. Its magical effect has been discovered in dental treatment. It is a soft, corrosion-resistant metal. It is also used in the treatment of bone infections, joints, chronic rheumatism, and some cancers. The odd thing is that this precious metal enters into the preparation of some foods, drinks, and desserts.