What is rose gold?
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The gold used to make jewelry is not actually pure gold, because pure gold is very soft and malleable, which would cause many problems when used as jewelry – such as not holding stones easily, scratching easily, denting or breaking. Therefore, when making jewelry, jewelers often mix gold with other metals to form alloys of varying purity, which can also increase the durability of gold as jewelry to varying degrees.
Rose gold is an alloy formed by mixing pure gold with copper. The mixture of the two metals affects the color of the alloy according to their respective ratios. For example, 18 parts pure gold and 6 parts copper will result in 18k rose gold that exhibits a slightly reddish rose color. A 14k rose gold with a greater percentage of copper will of course have a darker rose color. In some cases, jewelers add a little silver to the original mixture of pure gold and copper to make the rose color milder, creating a new metal, pink gold.
Rose gold has a gentler, more opulent shade of color than yellow gold or white gold, which is the main reason for its popularity. However, it is worth noting that rose gold is an allergenic metal, and about 20% of people who wear rose gold will find that their skin turns green or dark after wearing the jewelry for a while. In fact, this is a very normal chemical reaction, the copper in rose gold is more easily separated and oxidized than other metals, plus the acidic substances on the skin such as sweat and other substances mixed with the copper in the metal will be replacement reaction. So if you don’t keep your rose gold jewelry well, the pure gold and copper in the metal may separate, which will reduce the durability of your jewelry.