Wednesday, September 28, 2011

Physical characterstics

The  physical characterstics of gold goes like this The Pure gold is known as 24K gold, but most jewelry is made from either 18K gold, 14K gold or 10K gold. today's world the  yellow gold is still probably the most popular color of gold, by mixing gold with other alloys, jewelers can create stunning golden shades.which looks very beautiful the  White gold, pink gold, rose gold, orange gold and even green gold are just some of the many colors of gold.
Gold, whose chemical symbol is Au, is malleable, ductile, and sectile, and its high thermal and electrical conductivity as well as its resistance to oxidation make its uses innumerable. Malleability is the ability of gold and other metals to be pressed or hammered into thin sheets, 10 times as thin as a sheet of paper n are sometimes evaporated onto glass for infrared reflectivity, molded as fillings for teeth, or used as a coating or plating for parts.

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