White gold is an alloy of gold and other white metals that has silver, nickel, platinum and palladium. Same as yellow gold, white gold can also be 18kt, 14kt, 8kt or any karat. An 18kt white gold is 75% gold mixed with 25% other material called silver and palladium. The color of this gold is white color.
Properties of White Gold
The properties of white gold would normally vary depending upon the actual metals that are used in it and the proportions that is used in it. So, white gold alloys could even be custom made for any particular purposes; for instance, alloys using nickel are usually very hard and very strong, so it could be used for rings and pins. White alloys using palladium are quite softer and more flexible and could be further used for settings to hold a gemstone.
White gold is actually speaking white; its actual color is grey steel like color that is treated with the metal rhodium which makes the finished white gold to appear white in color.
White Gold Jewelry
You could find all types of white gold jewelry today. From pins to brooches to chains, necklace, bracelets and rings, gorgeous white gold jewelry is very east to find. Further white gold wedding bans and engagement rinds are gaining popularity day by day.
Taking Care of White Gold
White gold rings are coated with Rhodium. Rhodium is same as platinum and also shares many its properties including its white color. Just because the natural color of white gold is light grey, rhodium plating makes white gold whiter. Since rhodium ultimately wears away white gold should be re-rhodium plated every 12 to 18 months.
Whatever white gold you choose, however you choose to purchase it, white gold is extremely beautiful. Get what you want and enjoy!
Source: http://www.postarticles.com/Article/All-about-White-Gold/37871
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