Gold Part One

Gold is also traded in the form of gold coins, such as the Krugerrand is produced by the South African Mint Company in various units of weight. Unit weight of a common Krugerrand is 1 / 10 oz (ounce), 1 / 4 oz, 1 / 2 oz and 1 oz. Krugerrand coin prices based on gold price movements in world commodity markets are moving on the trade of all time. Special Krugerrand coins (or so-called proof collector edition) also produced a limited basis in accordance with a specific theme. Because of limited production, the price often edition proof Krugerrand coin is more than the price of gold content of these coins depends on scarcity and condition of this particular coin. Quite popular edition and is looking for investors that includes the image issue of Nelson Mandela.

Amalgamation is a process by penyelaputan gold particles and form mercury amalgam (Au - Hg). Amalgam is still the gold extraction process the most simple and inexpensive, but effective process for gold ores high yield and has a rough grain size (> 74 microns) and in the form of pure gold that is free (free native gold).
The process of amalgamation is a process of physical chemistry, amalgamnya when heated, it decomposes into the elements of mercury and gold bullion. Amalgam can be broken down by heating in a retort, the water will evaporate and raksanya can be obtained back from the condensation of the mercury vapor. While the Au-Ag remained behind in the retort as a metal.

Gold prices rose in the year 2008 related to U.S. interest rate cut plan to return interest rates, but it was pointed out as a projection of demand in the market for gold jewelry.