Rose gold material contains pure gold, copper, silver, zinc, overall pure gold and copper content is the most, and ordinary rose gold is 18k gold, by 25% copper and 75% gold smelting. Because of its very fashionable and beautiful pink rose color, it is widely used in jewelry design and processing.
Rose gold has a rosy red color, the shade of rose red depends on the amount of copper. Rose gold is usually called pink gold, red gold, because rose gold was popular in Russia in the early 19th century, it was also called Russian gold or Russian purple gold, but now this name is less, it is commonly known as tri-color gold in our country.
At present, there are four kinds of common gold and other metal content ratio:
1, Crown Gold (Crown Gold), the gold content of 22K - 91.667%, by Henry VIII of England (1526), this proportion of gold was first used in gold coins.
2, 18K red gold, gold content in 18K - 75%, the other is composed of metal copper 25%, showing a red metallic luster.
3, 18K rose gold, 75% gold, about 21% copper, about 4% silver and zinc, showing a light pink rose red.
4, 14K red gold, 14K - 58.33% gold content, other metals are 41.67% copper.
The metal color of rose gold depends on the different proportion of its own gold, copper, silver, zinc, the respective metal ratio is different, the metal color is also different, in 18K gold to increase the proportion of silver, zinc, reduce the content of copper, will produce 18K white gold with a metallic luster.
Daily wear rose gold jewelry should pay attention to maintenance, if there is yellow, fading phenomenon, you can go to the jewelry store to do polishing maintenance.