quartz crystal jewelry wholesale Why is Zhou Dafu 999 a full gold?

quartz crystal jewelry wholesale

2 thoughts on “quartz crystal jewelry wholesale Why is Zhou Dafu 999 a full gold?”

  1. lab created opal jewelry wholesale 999 indicates that the gold content is 99.9%of the gold. The real gold is not afraid of the fire. It is not sure that the authenticity of 999 gold can be grilled on the fire. No change will occur after the real gold barbecue. It will turn black.
    The precious metals have always occupied a lot of value in the precious metal market, because it is not only a currency of investment, reserves. At the same time, it can also be forged to cause various accessories, making high -tech products, etc., so it is also reasonable to pricing at Jinkeke. In fact, the 999 gold, commonly known as the gold, is not pure gold.
    The gold 999 is a gold product with a gold content of not less than 999. There are also other metals, which cannot be regarded as pure gold. In addition, because of the lack of modern technology technology, we have no way to refine the gold products with 100%of the gold content. Of course, even if there is no pure deposit, there are many methods for our verification. For example, when the gold is heated at high temperature, it will not turn black and disappear.
    The identification of thousands of gold:
    1, see the color. The higher the purity of gold jewelry, the deeper the color.
    It without comparing the gold medal, you can make the green color as the standard and determine the general shape. The golden gold contains only silver ingredients in the gold.
    D dark yellow yellow color is more than 95%, light red yellow 90 ~ 95%, pale yellow is 80 ~ 85%, blue yellow 65 ~ 70%, color blue with white light is only 50 ~ 60%, slightly yellow and presented White is less than 50%.
    2, see 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 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, 18K gold pendant, and fake gold jewelry feels light.
    3, see hardness. Pure gold is soft and low, and shallow marks can be used to use nails. Teeth bite can leave dental marks. Golden Island, high -quality gold jewelry is lower than the soft color. Hardness, pure gold is soft, easy to bend, the lower the purity, the less likely to bend.

  2. mal de ojo jewelry wholesale Pay content for time limit to check for freenAnswer dear, from a scientific perspectivenFoot gold 999 is a gold product with a gold content of not less than 999. There are also other metals, which cannot be regarded as pure gold. In addition, because of the lack of modern technology technology, we have no way to refine the gold products with 100%of the gold content. But in normal words, 999 is a 99.9 gold that can be said to be gold.nhoney are you theren1 morenBleak

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