The biggest difference between thousand foot gold and ten thousand foot gold is the purity of the gold. Qianzujin is gold with a gold content of not less than 999.0 ‰. Wanzujin is gold with a gold content of no less than 999.9 ‰. In addition to their gold content, there are subtle differences in color and hardness between Qianzujin and Wanzujin.
1. Difference in Gold Content
Qianzujin is a type of gold with a gold content of 999.0 ‰ or more, which is the highest value in the naming of jewelry color. Its marks are "Qianzujin" and "999 gold" “g999”。 And Wanzujin has a gold content greater than or equal to 999.9 ‰, and the mark that appears on gold jewelry and bars is "AU9999" or "gold 9999".
2. The difference in color
The gold content of Qianzujin is slightly lower, so the color of gold is lighter; And Wanzujin has a higher gold content, so its color is darker.
3. Difference in hardness
In addition to differences in gold content and color, there are also differences in hardness between Qianzujin and Wanzujin. Gold is relatively soft and easy to deform. When comparing the two, generally speaking, the higher the gold content of gold, the softer its material, because the content of ten thousand foot gold is higher than that of thousand foot gold, so the hardness of ten thousand foot gold is lower than that of thousand foot gold.