White Gold
Transcript: Work Cited White gold is used in the making of jewelry and they make less white gold with nickel because one out of eight people would get a skin rash from the jewelry. White gold properties. White gold was first introduced in the 1920's. It was achieved by adding alloys to yellow gold, such as nickel, palladium, platinum, and zinc. It was introduced as an affordable platinum substitute for engagement and wedding rings. The basic unit of weight used in dealing with gold is the troy ounce. One troy ounce is equivalent to 20 troy pennyweights. In the jewelry industry, the common unit of measure is the pennyweight dwt. which is equivalent to 1.555 grams. The properties of white gold, including its color, depend on its composition. Although most people think white gold is a shiny white metal, that color is actually from the rhodium metal plating that is applied to all white gold jewelry. Without the rhodium coating, white gold might be gray, dull brown, or even pale pink. http://ringoblog.com http://www.usagold.com/reference/properties.html http://www.zales.com/jewelry101/index.jsp?page=metals_WhiteGold http://www.thediamondbuyingguide.com/preciousmetalsguide-gold.html http://chemistry.about.com/od/jewelrychemistry/a/White-Gold photo credit Nasa / Goddard Space Flight Center / Reto Stöckli Instead of copper and silver used in yellow gold, white gold contains such metals as nickel, zinc, or even platinum. White Gold How White gold was produced. white gold is 0.000013 thick White gold has the same properties as yellow gold, but it has been mixed with different metals to give it a white color. 5) The cost of the alloy What is White Gold? White gold is alloyed with a large percentage of silver, or a selection of other white metals. On average, white gold can range anywhere from $50 to as much as $2,500 or more. How White gold was found. By: Brandon C. and Dustin C. http://wedding-band-ring.com