What does it mean to have 999 on the silver bracelet?

Writing 999 on the silver bracelet means that the material of the silver bracelet is: thousands of feet of silver, which means that the silver content is 99.9%.

The fineness of Qianzu silver is the purest in the market at present, but because of the metallic characteristics of silver itself, Qianzu silver is soft and not suitable for making imitation platinum or gold inlaid ornaments.

Similarly, there is 925 pure silver, which means that the silver content is 92.5%. The other 7.5% is alloy, which makes silver have ideal hardness, brightness, luster and oxidation resistance.

Extended data:

Silver is a transition metal. Chemical symbol Ag. Silver is one of the metals known and used in ancient times, and it is an important precious metal. Silver exists in the form of simple substance in nature, but most of it exists in silver mines in the form of bound state.

Silver has relatively stable physical and chemical properties, good thermal and electrical conductivity, soft texture and rich ductility. Its reflectivity is extremely high, reaching over 99%.

The difference between 999 sterling silver and 925 sterling silver

1. Pure silver: There are signs of "S925" or "Ag925" (the former is a little more), indicating that the silver content of this metal is 92.5%. This is the most common symbol, the most common jewelry silver on the market, and also the common symbol for selling silver.

2. Foot Silver: There is a sign of "Foot Silver 999" or "Foot Silver 9999", indicating that the silver content of this metal is 99.9%. This sign is mostly used in silver ingots, silver ingots, silver ornaments and other large pieces of silver ornaments.

3. Silver plating: The steel seal "SL" or "FS" indicates that this kind of jewelry is silver plated.

Similar to silver, gold ornaments are also divided into ten thousand gold, thousands of gold, pure gold, 22K gold, 18K gold, 14K gold, 9K gold and so on.

999.9% gold is called Wanjin, and its gold content shall not be less than 999.9 ‰;

999 gold is also called thousands of gold, and the gold content is not less than 999 ‰;

990 gold is called pure gold, and the gold content is not less than 990 ‰;

The gold content of 22K gold is not less than 916 ‰;

The gold content of 18K gold is not less than 750 ‰;

14K gold has a gold content of not less than 585 ‰;

The gold content of 9K gold is not less than 375‰.

Pure gold: Gold with a gold content equal to or greater than 990‰, commonly known as "Erjiu Gold". The imprint is "pure gold", or "99 gold" or "G99".

Thousands of pure gold: gold with a gold content equal to or greater than 999‰, commonly known as "Sanjiu Gold". The imprint is "Thousands of Gold", or "999 Gold" or "G999".

Wanjinjin: Gold with a gold content equal to or greater than 999.9‰, commonly known as "Wanjinjin Series" and marked with "Wanjinjin" or "999.9 Gold". Therefore, thousands of gold is definitely thousands of gold, but thousands of gold is not necessarily thousands of gold.

References:

Baidu Encyclopedia-Qianzuyin

Baidu encyclopedia-silver

Baidu encyclopedia -925 sterling silver

Baidu encyclopedia-tiger balm