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Colors of Gold
Pure gold is too soft to be effectively made into jewelry. The typical metals blended with pure gold to add strength and durability are silver, nickel, palladium, and copper. The type and proportions of those metals determine the exact color of the gold.
… At Gold Rush Fine Jewelry, you'll find 18k and 14k yellow gold. 18k gold is composed of 75% gold, and 25% other metals to make it strong enough to withstand every-day wear. Because 14k gold is composed of 58.33% gold, and 41.67% other metals it has more strength than 18k gold, and is generally used for making rings you are going to wear everyday.
… White Gold jewelry is made from 18k white gold or 14k white gold and has a very slight yellow color to it. White gold is commonly Rhodium plated to intensify the white color. Over time, the rhodium plating on a piece of jewelry may wear off and reveal the original metal color. A simple process called re-plating can be done to restore your jewelry's whiteness if it is needed.
… Rose gold has a greater amount of copper in the metal alloy and can actually be found in many different hues of pink. Because copper’s natural color is a rich burnished red, adding copper alloy to gold results in a pink color.
… The karat value of the gold will affect the pink shade. A higher karat value such as an 18k pink gold alloy will be a lighter pink than a 12k pink gold alloy because there is more yellow gold in the 18k pink gold, which will diminish the effects of the copper.
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