Cobalt

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"Cobalt." 30 August 2007. HowStuffWorks.com. <http://reference.howstuffworks.com/cobalt-encyclopedia.htm> 24 July 2008.

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Cobalt is a silver-white metallic element that has properties similar to those of iron and nickel. All three metals are hard and magnetic. Cobalt is used chiefly in alloys (mixtures of metals).

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Cobalt

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