The higher the purity of gold jewelry, the deeper the color. There is an old saying about gold: "Seven green eight yellow nine five red red", that is, if the gold decoration is blue yellow, the gold content can reach 70 %; the gold content of yellow can reach 80-90 %; if it is red yellow, the gold content can reach 95 or more Essence Of course, it is not enough to distinguish the color and true and false of gold jewelry by color. However, it also shows that some problems are top -notch in the country. It is not a matter of quality. Even if the quality problem is only based on the sense of quality, it cannot be seen. The other is the color that looks like gold, which is related to the craftsmanship used in gold jewelry (such as the sandblast effect) or the lighting effect when observing at the time. There are relationships.
The higher the purity of gold jewelry, the deeper the color. There is an old saying about gold: "Seven green eight yellow nine five red red", that is, if the gold decoration is blue yellow, the gold content can reach 70 %; the gold content of yellow can reach 80-90 %; if it is red yellow, the gold content can reach 95 or more Essence Of course, it is not enough to distinguish the color and true and false of gold jewelry by color. However, it also shows that some problems are top -notch in the country. It is not a matter of quality. Even if the quality problem is only based on the sense of quality, it cannot be seen. The other is the color that looks like gold, which is related to the craftsmanship used in gold jewelry (such as the sandblast effect) or the lighting effect when observing at the time. There are relationships.
There is a problem with purity
I may have other metal components
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