Pure gold is great because it doesn't tarnish, rust or corrode. It is a strong metal, but can still be sculpted into various shapes. Often, in fine jewelry, gold is mixed with other metals to give it more strength and resilience.
Rose gold is a copper and copper mixture that often appears in custom jewelry due to its distinctive reddish color. Sometimes it is also referred to as Russian gold, because it was popular in the early 19th century.
What makes rose gold red is the amount of copper in the alloy - the more copper in the mix, the more red the jewelry appears to be. A common alloy for rose gold is 75% gold and 25% copper.
Although gold is durable, there are still steps you can take to preserve your gold jewelry. To keep your gold bright and scratch-free. store it in a soft cloth bag or a fabric-lined jewelry box. To hold on to the gold's luster, keep gold jewelry away from chemicals such as bleach, chlorine and other cleaning fluids. To clean gold jewelry, use mild soap and warm water, and gently wash the gold with a non-metallic, soft-bristled brush. Use a soft cloth to dry your jewelry - don't use paper towels.