You may not know that gold metal can have different color spectrums. This color spectrum can include white, yellow, pink, and even purple or blue.
It can be said that gold is a precious metal that was considered one of the most valuable goods throughout history. This precious metal is kept in banks. Also, gold has countless uses and is used in making rings, bracelets, earrings and … is used. It is also kept as a support for the money of each country. The noteworthy point is that if 100% gold is used in making jewelry, that gold is 24 carats, but if it is only 75% gold and the rest of the metals are 18 carat gold. And if only 58% is used, it is 14 karat.
The color of gold changes depending on the metal it is alloyed with. We all know the three colors of gold: yellow, red, white. But in many cases, this color spectrum may change with the percentage of gold and other metals slow
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1- Yellow gold
Gold in nature is yellow in color, which tends to orange. This metal is a soft metal that can easily change its shape. The more intense the yellow color of gold, the purer it is. And it should be mentioned that 99% gold is 24 karat and has a dark yellow color. In India They prefer gold with its natural yellow color. If gold is combined with an alloy such as silver, its color will be brighter and this will make its grade lower.
2- White gold
Another range of color is white gold. The reason for the white color is the alloy of gold with metals such as nickel, manganese, silver or palladium. When gold and nickel are alloyed, it makes gold more valuable. It should also be said that it makes it more durable. When gold is combined with palladium, it becomes softer. Also, white gold has shades of colors such as red and pink.
3- Red gold
If only copper is used in the composition of gold, its color will be red. This percentage includes 75% gold and 25% copper.
4- Pink gold or rose gold
If copper and silver are used in the combination of gold, it causes the color spectrum to become rose gold or pink. This color of gold was popular in Russia in the 19th century. With the amount of copper used in gold, this spectrum becomes different from red and pink. For example, if 75% gold is used and 25% copper, the gold color will be red. For rose gold color, 75% gold, 20% copper, 5% silver metal are used.
5-Green gold
Green gold has been used in the past. This color spectrum is obtained by using silver alloy. And its use causes gold to have a greenish yellow color. Sometimes gold is combined with cadmium metal, but This metal can cause sensitivity. To have gold with a light green spectrum, you should use: 75% gold, 23% copper, 2% cadmium. If you want a dark green color, you should use 75% gold, 15% silver, 6% copper and 4% of cadmium should be used.
6- Golden gray
In the modern design of jewelry, golden gray color is used a lot. To have gold with this modern and attractive color, a mixture of yellow gold and palladium or silver, manganese and copper should be combined. It can be said that if these metals are used in small amounts, the color of gold will be close to white.
7-Purple gold
Another color of gold is violet-purple gold. The reason for this color is the use of aluminum alloy. But it should be noted that purple gold is fragile. And for this reason, it is not used. Because it breaks with the least impact. will be This color is only used for details in other jewelry along with gold color.
8- Blue gold
The blue spectrum of gold is very beautiful, but it is not very useful. If two metals, gallium or indium, are used in the gold alloy, the spectrum of gold becomes blue. And the point to be made is that it can cause sensitivity.
9- Black gold
There are different ways to make black gold. One way is gold plating with rhodium or ruthenium. You can also achieve the black color range of gold by covering it with sulfur and oxygen or chromium. Recently, black gold has been produced by creating nanostructures on the surface and laser treatment. And now this gold color is widely used in jewelry making.
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