gold filled hawaiian jewelry wholesale What is the difference between three nine and four gold gold

wholesale jewelry san francisco Three nine and four -nine golden differences: different golden purity, different hardness, and different values.
1. Different purity
4 has a higher golden purity of 9. The purity of the three nine represents gold is 99.9%, and the purity of the four nine represents gold is 99.99%. Usually, the purity of 99.9%of the gold is called thousands of gold. The purity of 10,000 -footed gold is higher, and the price is relatively high. Most gold jewelry is thousands of gold, and the BRICS is mostly performer.
2, different hardness
4 of 9 gold is softer.
3, different values ​​
, the price of 4 9 will be higher. The higher the gold content, the higher the value of gold, the higher the value of gold, and the better value preservation.

Gold purchase selection
1, preservation
(1) Generally, the higher the golden purity, the higher the price.
(2) However, the recovery price is based on foot gold, so the higher the purity, the more valuable it is.
(3) According to the current state regulations, as long as the gold content exceeds 99.0 %, it is collectively referred to as foot gold. Therefore, the thousands of gold are almost the same, and the meaning is not great.
(4) Therefore, in order to keep it, it is recommended to buy heavy gold instead of a price.
2, decoration
(1) The higher the purity of the gold, the higher the stability of the gold. Therefore, high -purity gold is not suitable for decorative jewelry.
(3) The gold with high purity is particularly easy to deform, which will damage the aesthetics. Now, most 99.0 % of gold is enough, or it is a new technology of 3D hard gold technology.