What should I pay attention to when buying silver jewelry?

Silver ornaments are generally stamped with the English abbreviation of silver ("S" or "Sterling"). The mark of standard silver is S925 or 9.25 or 925. The imprint of foot silver is S990. But there are also many countries that don't print paper money on silver ornaments. Or 9.25925 marks. There are also thousands of silver labels or S999.

2, check the color

Silver ornaments are mostly yellowish silvery white with a soft metallic luster. Due to easy oxidation, the color will turn dark yellow and white after a long time.

Step 3 consider

The density of silver is10.53g/cm3. Smaller than platinum and gold, it won't fall off by hand. Steel needles can be marked or bent. In this way, it can be distinguished from German platinum, K gold or imitation silver jewelry.

4, check the hardness

The hardness of silver is lower than that of copper, but higher than that of lead and tin, so it can be tested by marking jewelry in an inconspicuous place with a pin. If the needle slips, it is difficult to leave traces on the surface, which can be judged as copper jewelry; If it is made of lead and tin, the trace is obvious; If the object has traces but is not obvious, it can be preliminarily judged as silver jewelry.

5. Listen to this poem

Sterling silver jewelry fell to the ground and was not elastic. The lower the color, the lower the sound, and the sharper and higher the rhyming sound; If it is made of copper, its sound is high and sharp, and its rhyme is short and short; If it is made of lead and tin, the sound of falling to the ground is dull, short and inelastic.

Extended data:

Wear description:

1, the reason why silver jewelry turns black is nothing more than not wearing it or too much endotoxin in the human body. If you don't wear it, wash it and put it in a sealed bag.

2, silver jewelry can not be worn with other metal jewelry, because the silver jewelry itself is relatively soft, if it collides with other metal jewelry, the silver jewelry may be deformed and scratched.

3. Silver ornaments need to be kept dry. Don't wear it when swimming. Don't wear it when you are in a hot spring or going to the seaside. Silver ornaments have good thermal conductivity and easy deformation, and seawater is corrosive. Wearing silver jewelry can lead to oxidation.

At present, the most convenient way to blacken silver jewelry is to clean it with toothpaste, which I believe many people have. This is a knowledge and necessary knowledge of wearing silver jewelry. ?

5. The silverware is seriously yellowed, so it should not be soaked in silver washing water for too long, usually in a few seconds. Rinse with clear water immediately after taking it out, and then dry it with a paper towel.

Baidu encyclopedia-silver ornaments