Gold is a very precious metal

Gold is a very precious metal, also a chemical element of the symbol Au. Its atomic number is 79 according to the atomic table. Its color is bright yellow and can be formed and formulated. When it is called natural, (1) Gold is found in nature in the form of granules in the bottoms of rivers and rocks, or may be in the form of veins in the ground, and discovered the largest gold mass in 1896 in Australia, which weighs about (2.280) Ounce. Gold is found in its original form on the surface of the earth and in its interior. Among the most famous materials extracted from the glacial gold surface, it is found in rivers, streams and flood plains, The volcanic deposits are formed through wind and rain weathering processes and as a result of the change in the temperature of the rocks containing gold. Oxidized exogenous gold can be formed by the secondary fertilization process, in which minerals and sulfides gradually seep out leaving gold minerals It is noted that natural gold is the most common metal of gold, contains 0.1 to 4% of silver, and is about 80% of the metal found in the crust of the earth, and is found in the form of large blocks up to the diameter of The gold industry undergoes three phases: (3) Gold: A gold alloy may be a bullet (24) or it may be a broken gold, In the case of a gold alloy is converted to different caliber (18, 21 or 22) and through a formula equation for this, by mixing gold B Other elements, however, in the case of gold breakage; it is necessary to know the caliber number, and then treated by adjusting the caliber as required. Stabilize the stones, and take the following steps: Detect the gold piece, and put any notes on it. Clean the piece of gold, then refine it by dissolving in special ovens, and then put in special molds. Clean the polished piece again with chemicals. Transfer it to a machine called the vibrator machine in order to give it color by caliber; since each caliber of gold has a color that distinguishes it from the other. Final control: in which the caliber number is stamped and then marketed. Gold Usage Gold is used in many fields because of its properties that distinguish it from other elements and metals. It is mixed with other elements such as silver, copper and nickel to be more thick. The gold jewelry is mixed with palladium or tin to be white, and is often used in jewelry sets. Medicine: Medicine uses the gold solution in the treatment of osteoporosis, dentistry and rheumatism; for its "lyonnaise" and its ability to resist corrosion, radioactive gold is used in the treatment of cancer. Investment: You find many gold owners store it in the form of coins, or alloys; to avoid the occurrence of economic disturbances such as: inflation.

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Part of the ownership of the enterprise and are based on a fixed

Stock is a shareholding certificate used to document their ownership

Stock is a shareholding certificate used to document their ownership rights