5 thoughts on “Gold jewelry has the difference between AU and not”

  1. Mable

    AU is a symbol of the color bonus. The color of gold is the alloy of gold and precious metals. It is generally divided into 18K gold and 14K gold. The 18K gold is also called 750 gold, and AU750. The gold content is 75%, and 14K means that the gold content is 58.5%.
    The thousand foot gold marks are G999, GOLD999 or thousands of feet, and the gold logo is G990.Gold990 or Foot gold.
    The gold jewelry must have gold content and gold species of gold, otherwise it must be unconventional.

  2. Terri

    AU is the chemical symbol of gold and the logo of gold jewelry. It is definitely the best. For example, the gold 999 will have the mark of the AU999 or G999 or the foot gold 999. Gold jewelry must have this sign!

  4. Belinda

    AUXXX means the amount of gold content. For example, the AU750 means 750 percent of the gold content of 75 percent, and the hypothesis of the highest purity is divided into 24 copies. ), 24K gold is the purest gold we can reach, AU750 is 18K gold.
    The higher the purity of the gold, the more stable the nature, which means that it is not easy to react with the chemical composition of the air, the chemical items in life, etc., but the disadvantages are obviously soft and the shape is easy to deform. Although it is developed with hard gold now, it is still not available for inlaid jewelry compared to K gold.

  5. Tracy

    Gold is the alloy of gold and precious metals .gold990 or foot gold.
    The gold jewelry must have gold content at the welding. The gold content is 75%, GOLD999 or thousands of feet.
    This gold logo is G999. The identification of the gold species AU is the logo of the gold. 58, 18K gold is also called 750 gold. AU750
    AU is the chemical symbol of gold, and it is also a sign of gold jewelry. It must be the best. Like the Gold 999, there will be a mark of AU999 or G999 or Football 999. This It is the identity card that identifies the gold. According to the new national standard, all gold jewelry must have this sign!
    au is the symbol of the chemical representative of gold

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