Gold is a chemical element in the periodic table that has the symbol

Gold is a chemical element in the periodic table that has the symbol


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Dlm Gold is a chemical element periodic table that has the symbol Au (Latin: "Aurum") and atomic number 79. A transition metal (trivalent and univalent) soft, shiny, yellow, heavy, "malleable" and "ductile". Gold does not react with other chemicals but attacked by chlorine, fluorine and aqua regia. This metal is widely available in gold nuggets or dust on the rocks and in alluvial deposits and one of the coinage metals. Standard ISO code is XAU. Gold melted into liquid form at a temperature of about 1000 degrees Celsius.

Gold is a metal that is soft and malleable, hardness range between 2.5 - 3 (Mohs scale), as well as its density depends on the type and content of other metals that are combined with it. Gold carrier minerals typically associated with the associated minerals (gangue minerals). Generally associated minerals such as quartz, carbonate, tourmaline, flourpar, and a small amount of non-metallic minerals. Gold carrier minerals are also associated with sulphide deposits that have been oxidized. Mineral carrier natively gold consists of gold, electrum, gold Telluride, a number of alloys and gold compounds with the elements sulfur, antimony, and selenium. Electrum is actually another kind of gold nativ, only the silver content in which> 20%.

Gold formed by magmatism or concentrating on the surface. Some precipitate formed because the contact metasomatisme and hydrothermal solutions, while concentrating mechanically produce placer deposition (placer). Gold genesis categorized into two, namely:


  • The primary precipitate; and
  • Deposition plaser.


Monetary gold as collateral for the currency that had been used by Bank Indonesia
Gold is used as a financial standard in many countries and is also used as jewelry and electronics. The use of gold in the monetary and financial field based on absolute monetary value of gold itself against the various currencies around the world, although officially in world commodity market, gold prices are listed in United States dollars. The form of the use of gold in the monetary field is typically in the form of bouillon or gold bars in various weight units gram to kilogram.

source: https://id.wikipedia.org/wiki/Emas