4 thoughts on “What does O 什么E on gold jewelry mean?”

  1. AU9999 What does AU9999 mean
    "AU9999", which is a representation method of goldenness prescribed by the state. Gold jewelry must be played with such marks. "AU" is the chemical element symbol of gold. It shows that this metal decoration is made of gold. 9999 Football, also known as Wan Chun Football, is a gold with the gold content of "the minimum of 999.9" in the gold content.

    9999 Gold and 999 gold are the differences
    The digital identification of gold represents its purity, 999 is a thousand gold, the purity of gold is 999; 9999 is 10,000. Foot gold, which represents gold, is the purity of ten thousandths, ninety -ninety, which is 9th of 10,000. The difference between 999 and 9999 is mainly different from purity. 999 is 99.9%in gold content, and 9999 is 99.99%of the gold content. However, the price of the two above is the same.
    9999 Gold and 999 which is better
    It for the jewelry we wear, 999 gold is sufficient. No matter from color, purity, and craftsmanship Some AU750 -made accessories are also good choices.
    The precautions of the gold AU9999 jewelry
    1. Avoid wearing AU9999 gold jewelry, especially the ring class.
    2, because the gold ornament of AU9999 is low, put it lightly when wearing, and avoid colliding with the hard objects, wiper, and strictly prohibit pull, pull, and drag. Especially diamonds, because of different hardness, can cause friction with each other, so they should be stored independently with jewelry boxes.
    3, AU9999 gold jewelry should not be stored with silver jewelry, so as not to collide with each other and friction to make the surface of the jewelry become silver. The AU9999 ring is worn with platinum rings, which can easily cause the two to rub each other, so that the surface of the ring is plainly white on the surface of the ring.
    4, AU9999 gold decorations Due to higher purity, wearing factors such as sweat for a long time gradually lose light, which is normal. In this case, customers need to return jewelry back to jewelry shops to solve them.
    5, mercury has a corrosive effect on the golden surface layer. In advanced cosmetics, a small amount of lead and mercury often contain. If gold jewelry often contacts cosmetics, it will make white spots appear on the surface of the jewelry. Therefore, when wearing AU9999 gold jewelry, try to contact the cosmetics as little as possible. If you encounter this situation, go to the professional jewelry store to deal with it, the white spots will be removed. It is also necessary to avoid contact with vegetable liquid juice containing chemical elements, such as mustard juice, cauliflower juice, and fish scales.

  2. What does the letters on gold jewelry mean? 1. The gold content of gold jewelry is expressed by K, and the gold content of 1K is 4.1666%. Various gold jewelry is divided into 24K (referred to as pure gold or foot gold), 22K, 18K, 15K, 12K, 9K and other varieties. The calculation method is: 4.1666 X gold variety. 2. Platinum jewelry is crowned with platinum or PT, such as PT990, which means that the platinum jewelry with a platinum content is 99 %. 3. Silver jewelry is coward or S before the purity of a thousand points. For example, the silver 925 or S925, both of which indicate the silver jewelry with a silver content of 92.5 %. 4. D is the first letter of diamond English, representing diamonds.

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