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www.reference.com/science/colors-make-gold-63a08ba39daf508a

Gold is created by mixing the colors red and green together until you reach the desired shade, according to RapidTables. The RGB color code for a pure gold color is 255, 215, 0.

www.reference.com/article/can-buy-sell-gold-57f31eb4271918d5

A good place to buy and sell gold is at the shop of a reputable gold dealer or jeweler, according to Bankrate. This method of purchasing and selling gold tends to give the average person the best price for items.

www.reference.com/article/gold-mined-e61d8e9b13a11d5b

The majority of the gold mined in the world is extracted from gold ore, which are rocks that contain small amounts of gold particles mixed in with solid rock, according to HowStuffWorks. Gold may also be mined from small deposits in riverbeds or beaches, but these are becoming extremely rare.

www.reference.com/article/yellow-gold-661656aa0698399a

Yellow gold is gold in its purest form. The purest yellow gold at 99.9 percent, 24 karats, is very soft and can be easily dented or scratched. Therefore, 22k, 14k, and 18k gold is infused with alloys to make the metal more durable.

www.reference.com/article/gold-element-ac5fa6dfb63470cf

Gold is a chemical element. Its symbol on the periodic table is Au, and it is classified as a transition metal. It has an atomic number of 79, which is one of the higher atomic numbers of elements that occur naturally.

www.reference.com/article/gold-discovered-7f477b90e746cbfc

Gold was used in ancient times, but scientists do not know the exact date it was discovered. The shiny metal was used to decorate ancient buildings, produce coins and make jewelry.

www.reference.com/article/gold-first-discovered-eafce850957d5df5

The existence of gold has been known for over 5,500 years; therefore, the exact location of its discovery is unknown. Gold is a metal element that is often found with other metal elements such as silver and copper.

www.reference.com/article/good-ways-invest-gold-b1a47a292b227af8

Some effective methods of investing in gold include doing so through exchange-traded-funds, closed-end funds, single stocks, gold coins and gold jewelry, reports the CNBC website. Gold is a precious metal that analysts compare against other investment options, reports the Houston Chronicle.

www.reference.com/article/gold-mineral-daab6f28bfdd3b66

Gold is a mineral and was one of the first used by prehistoric cultures. It is appreciated for its physical appearance, its workability and its ability to withstand chemicals.

www.reference.com/article/invented-gold-f34207fcc734d773

Gold is a naturally occurring mineral, which means it wasn't invented. It was discovered. There is evidence of the utilization of gold dating back to the Copper Age (approximately 4000 BC).