Gold jewelry refers to the gold as the main raw material for the production ofjewelry. Chemical symbol for gold Au, accounted for 17.4, Mohs hardness is 2.5.Gold jewelry from its content can be divided into two types of pure gold and gold.The gold content of gold jewelry in 99% above, up to a maximum of 99.99%. It has "nine Jiujin", "ten gold", "gold".
K gold jewelry is added to other metals in gold material (such as silver, copper)made of jewelry, also known as the "gold", "fineness of gold". Because the amountof other metals more or less, they formed a number of different K K gold jewelry.
in gold jewelry, gold jewelry is relatively soft texture, teeth have printed, easy to bend, golden color. Pure, soft, feel heavy, there is heavy feeling jewelry equipment.K gold jewelry is slightly hard, bite without printing, the yellow in color with a white,and in accordance with the decrease of K number increasing, the white, yellow gradually shallow. K gold jewelry gold jewelry than a heavy hand. In addition, both the pure gold or gold jewelry with a seal, the seal on gold jewelry, useful for "gold","kg" is also useful English letter. Indicated that K number, corresponding in addition, jewelry and marks on the seal from different manufacturers.
gold-plated jewelry is available in other metal jewelry surface coated with a layer of gold plating method, similar in color and gold jewelry, gold Huang Guangliang, it is difficult to identify new. But the gold-plated jewelry feel morebuoyant, hard texture, no teeth to bite marks, with a long fade. Some bad gold plating jewelry, color is not red is white, or flooding.
gold jewelry refers to the metal surface in the other packages on 24K or 22K gold foil, gold jewelry equipment such as K number is too low, its softness is poor.Gold jewelry gold jewelry look and really similar, glittering, but also not easy to fade,make people difficult to distinguish true and false. But the depression, carefully observe the jewelry angle department, behind the other, you can find a gold rugged, have become warped edge peeling phenomenon. Such as jewelry havebroken connector, can be seen from metal material section is yellow and white. In addition, gold jewelry and lighter feel, texture than hard gold jewelry, no teeth to bite marks, not easy to bend, long wearing easy peeling off foil.
whether gold jewelry, Bao Jin jewelry. Or copper jewelry, gold jewelry is generally not similar to the Indian sign. Or the seal is different from the gold jewelry,such as some jewelry engraved with the letters "GK" the English containing is"gold". Or signature illegible, crooked, consumers should have the seal by identifying the jewelry, India sign accords with the above requirements, India is a clear sign and so on, in order to determine the authenticity of gold jewelry.