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gold

   
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Title: gold
 
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Subject: Miscellaneous
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Date: August 31, 2007
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Small and large samples of gold foil, wire, and teflon coated wire (and gold alloy in wire form) can be purified. Gold is usually alloyed in jewellery to give it more strength, and the term carat describes the amount of gold present (24 carats is pure gold)...
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It is estimated that all the gold in the world, so far refined, could be placed in a single cube 60 ft. on a side. It is metallic, with a yellow colour when in a mass, but when finely divided it may be black, ruby, or purple. It is the most malleable and ductile metal; 1 ounce (28 g) of gold can be beaten out to 300 square feet...
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