5 thoughts on “What does 750 mean on the gold necklace mean?”

  1. Vicki

    In the metal name, AU is gold. Therefore, the AU750 necklace is a gold alloy necklace. The gold alloy necklace is added to the pure gold material to the pure gold, such as copper, silver, and zinc. These metals and pure gold are formed by different proportion of gold alloys. The AU750 on the necklace means 75%of the gold content, and 25%of the components are other metals. Therefore, the AU750 on the necklace represents gold content.
    The gold texture is too soft to bear too delicate processing. It is mostly used for traditional styles, such as dragon and phoenix bracelets, large necklaces, large pendants and other styles to be easily deformed and damaged. It is suitable for complex craftsmanship, and produces a stylish, exquisite and gorgeous style. Of course, the working consumption of the AU750 necklace will be higher than that of ordinary gold.
    MAU750 necklaces also have many different colors. Different styles can choose the suitable AU750 necklace as needed.
    Pucting information:
    The precautions for wearing gold necklaces:
    1. Do not wear jewelry or jewelry when exercising or doing heavy work, so as not to touch and wear.
    2. Do not place various jewelry in the same drawer and jewelry boxes at will. Because various gems and metal hardness are different, it will cause losses due to rubbing each other.
    3, the gold necklace that is often worn should be checked once a month to see if there is a phenomenon of wear or inlaid looseness, and remedy repair.
    4, the gold necklace is the same as other jewelry. As long as it is stained with the fat and sweat acid secreted by the human body, it will lose light. Therefore, the economic wearing tablets should be cleaned once a week.
    Reference materials Source: Baidu Encyclopedia-Gold Jewelry
    Reference Data Source: Baidu Encyclopedia-AU750

  2. Leon

    The marking of 18K gold is AU750, 18K or G750.
    18K refers to the purity of the gold in jewelry in jewelry of jewelry is 18K. 18K is not a weight, but a proportion. Theoretically, 100%gold content is 24K. In fact, it is impossible to have 100%purity gold. Our country stipulates that the gold with a purity above 99.9%(inclusive) is 24K. 18K is the golden ratio of 18, 18/24 = 0.75, which is 750 thousandths. rnrnrnrnrn扩展资料：rn18K贵金属中由于含有25%的其他金属，因而可以制作成不同的颜色，如白色、黄色、 Rose red, namely: 18K white K gold, 18K gold, 18K red gold (rose gold) and so on.
    The gold name depends on its purity. For example, the gold with a purity of 99%is called "foot gold", and the gold with a purity of 99.9%is called "Thousands of Gold". The gold with a purity of 99.99% It is 99.999%of gold, which can be called "100,000 enough gold" or "high pure gold".
    The idioms are called "gold without redness, no one is perfect", in fact, 100%of pure gold does not exist. The first reason is to refine the technology, and the other is because the gold jewelry or gold bar is in the process of processing.
    If discrimination
    It color
    The higher the purity of the gold jewelry, the deeper the color. If there is no gold medal, you can determine the general color according to the following color (based on the golden gold. The so-called green gold is only a silver component in the gold); the dark red yellow color is more than 95%, and the light red yellow yellow 90-95%is 90-95% The pale yellow is 80-85%, the cyan is 65-70%, the color blue with white light is only 50-60%, and the slightly yellow and white are less than 50%.
    This weight
    The proportion of gold is 19.32, which is more important than metal such as silver, copper, lead, zinc, aluminum. The volume of gold is more than 40%heavier than the silver, 1.2 times heavier than copper, and 6.1 times heavier than aluminum. The gold jewelry should have a feeling of sinking in the hand, and the fake gold jewelry feels lightly. This method is not suitable for gold jewelry inlaid.
    The hardness
    It pure gold and low hardness. Use nails to draw shallow marks. Teeth bite can leave tooth prints. High -colored gold jewelry is low in color. The bending method can also test the hardness, the pure gold is soft, it is easy to bend, the lower the purity, the less likely to bend.
    Reference materials Source: Baidu Encyclopedia-Golden purity

  3. Hugo

    Pay content for time limit to check for freenAnswer Gold 750 refers to 18K gold. 18K is 75% of pure gold. The rest are other materials such as silver or copper. The gold content, the metal "gold" of the gold jewelry and gold products, is represented by K. Each K (English Carat, German Karat abbreviation, often write "K") gold content is 4.166%. It is often extended to describe the inherent quality of something.

  4. Chester

    Generally, the gold will be engraved with 990 and 999 and the 750
    990 you say represents that its purity is only 99%of the gold; 999 represents its purity of 99.9%. N you said that the gold is 75 %. The lower the purity, the higher the hardness. Generally, 750 will only be used to inlay gems, because this is firm
    like diamonds. All are inlaid with 750 platinum

  5. Kimberly

    Hello
    The gold you said is 75%. The lower the purity, the higher the hardness. Generally, 750 will only be used to inlay gems, because this is solid
    . Like the diamond Generally inlaid diamonds are inlaid with 750 platinum

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