1, the gold content is different.
The biggest difference between the two is the gold content. The gold content of thousands of pure gold is higher than that of pure gold, which is a division of gold content levels.
2. Different colors
Distinguish thousands of pure gold from pure gold in terms of color depth. Generally speaking, the more gold content, the darker the color, and vice versa.
3. Different degrees of hardness
Thousands of pure gold is slightly softer than pure gold, because the former has a slightly higher gold content.