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Gold is a chemical element with the symbol Au (from the Latin word aurum) and the atomic number 79. In its pure form, it is a bright, slightly orange-yellow, dense, soft, malleable, and ductile metal. Chemically, gold is a transition metal, a group 11 element, and one of the noble metals.
Colored gold. Ternary plot of different colors of Ag – Au – Cu alloys. Colored gold is the name given to any gold that has been treated using techniques to change its natural color. Pure gold is slightly reddish yellow in color, [1] but colored gold can come in a variety of different colors by alloying it with different elements.
Gold, also called golden, is a color tone resembling the gold chemical element. The web color gold is sometimes referred to as golden to distinguish it from the color metallic gold. The use of gold as a color term in traditional usage is more often applied to the color "metallic gold" (shown below). The first recorded use of golden as a color ...
The colloidal gold Faraday made 150 years ago is still optically active. For a long time, the composition of the 'ruby' gold was unclear. Several chemists suspected it to be a gold tin compound, due to its preparation. Faraday recognized that the color was actually due to the miniature size of the gold particles.
Art Fund sponsors the Museum of the Year award (known as the Gulbenkian Prize from 2003 to 2007 and the Art Fund Prize from 2008 to 2012). This is a £100,000 prize awarded annually to the museum or gallery that had the most imaginative, innovative or popular project during the previous year.
Nordic Gold. 50 euro cent coin made out of Nordic Gold. Nordic Gold ( Swedish: nordiskt guld [1]) is the gold-coloured copper alloy from which many coins are made. The alloy is a type of aluminium brass. It has been used for a number of coins in many currencies, most notably in euro 50, 20, and 10 cents, [2] [3] in the Swedish 5 and 10 kronor ...
The term "Goldback" refers to each unit of the currency and is 1/1000 of an ounce of pure gold. [citation needed] The Goldbacks are issued in "denominations" of 1, 5, 10, 25, and 50, each containing proportionally larger amounts of gold. [2] [3] [4] The notes are minted by Valaurum, a private mint. Valaurum uses a vacuum deposition process to ...
NordArt is an international contemporary art exhibition and a non-profit cultural initiative of the ACO Group and the cities of Büdelsdorf and Rendsburg. It has taken place annually in the summer since 1999 at Carlshütte, a former iron foundry. The site features 22,000 m² of interior space and 60,000 m² for outdoor installations.