Used because of the production of pure gold jewelry is too soft, it is difficult to insert produced a variety of exquisite styles, especially when inlaid pearls, precious stones and jade and other treasures when easily be lost. Therefore, the ancient people know by adding a small amount of pure silver, copper, zinc and other metal to increase strength and toughness of gold, so that the gold produced, known as gold ornaments, that is, people often made jewelry payment or other payment products. Determine the levels of gold ornaments-bit system called the "golden line" and the English are "Karat" normally open, according to the first word can also be referred to as "K". Therefore, gold ornaments, also known as "K gold."
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K may be required in accordance with the preparation of various colors, such as gold and copper are a mixture of red, known as the Red K gold. In the international popular K gold jewelry has a variety of colors, has orange-red, champagne color, apple green, yellow, red, blue, white, black, such as 10 species, collectively referred to as color K gold jewelry.
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There are K platinum. Gold mixed with 25 or more palladium or nickel, it will become a "WHITE" that is, white gold, the composition of its main components or gold, and its name is called K platinum. 14KWG signs engraved with gold, which means gold in the mixed with cesium or nickel and other metal derived from platinum 14K.
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