My friend said that the jewelry is generally impure, and it will add other things and keep the hardness. Is 999 impure? Please know the advice, more detailed!
3 thoughts on “What is the gold content of 999 in Hong Kong?”
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100%pure gold can not make jewelry too softly. It must be mixed with a little other metal when it is touched.
Generally, Hong Kong's gold jewelry content is 999.9
It is definitely impure, the hardness of pure gold is poor, and it is easy to deform.