wholesale fashion jewelry buford ave atlanta
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wholesale fashion jewelry buford ave atlanta
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reglon jewelry wholesale Recognize the manufacturer and the color. The surface layer of the gold jewelry should be printed and the purity (color) of the manufacturer and alloy (color), and the words should be clear. For example, the purity produced by the Beijing jewelry factory is a gold jewelry with sufficient gold, and the words "Beijing e -foot gold" are printed. If there is no mark on the jewelry, or the mark is blurred, it should be suspected of the authenticity of the gold jewelry. 2. Check the color and hardness. Gold should have a dazzling red yellow, the higher the color, the more beautiful the color, so people often say "Qiqing, Eight Yellow, Nine Five -Five Reds". The so -called gold jewelry referred to as other metals can be recognized from color. The hardness of the gold is low, and it is relatively soft. With a knife or bite with teeth, there will be traces. Other metals do not have this feature. Moreover, the higher the color of the gold jewelry, the softer it can be checked by the bending method. If the color is low, there are more silver and copper components, and it is not easy to bend. With this method, you can recognize whether the jewelry is charged. 3. Compared with weight. The proportion of gold is 19.3, which is higher than metal such as silver, copper, aluminum, and tin. The same volume of gold is 40 % heavier than silver, 1.2 times heavier than copper, and 6.1 times heavier than aluminum. By comparative weight, you can also identify whether it is faked with other metal gold jewelry. 4. Listen to the sound to distinguish ingredients. Falling the jewelry from the height of naturally, if only the sound of "tab" is made, and there is no rhyme and no elasticity, it is gold with a purity of 990 ‰. If the sound of sinking rhyme has a long elasticity, it means that it is not high, and the jewelry contains more copper and other metal components. 5. Nitric acid distinguishes gold authenticity. Put the jewelry in nitric acid, if it is gold, it will be safe and no change; if it is copper, green smoke will emerge. 6. Taste authenticity. Put the jewelry in your mouth and lick with your tongue for a while, and then smoke. If there is no odor, it is gold; if there is a sweet silk taste, it means that it is copper. 7. Fire burning authenticity. "Real gold is not afraid of fire to refine". After the jewelry is cooled by high temperature fire, if it is still yellow and does not deform, it is gold; if it becomes black, it is not real gold, it is a fake product made of other metals. (1) See 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 green gold. The so-called green gold contains only silver ingredients in gold); dark red yellow color is more than 95 %, light red yellow 90-95 % The pale yellow is 80-85 %, the cyan is 65-70 %, and the white light is only 50--60 % white light. The slightly yellow and white are less than 50 %. Generally, Qiqing, Eight Huang, and Jiu Chi can be used as a reference. (2) Type 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. (3) Look at the hardness: pure gold is soft and low. It can be used to draw light marks with nails. Teeth bite can leave dental marks. High -colored gold jewelry is low in color. It can also test hardness, pure gold is soft, easy to bend, the lower the purity, the less likely to bend. (4) Listening to the sound: Throwing the real gold with more than 99 % of the color will make a tap sound, there is no rhyme or elasticity. The fake or low golden sound is crispy but no dullness. Generally, the sound of "Dangdang" is emitted, and there are surplus sounds. (5) Burning with fire: The jewelry will be burned red (do not melt the jewelry) with the fire (do not melt the jewelry). After cooling, observe the color change. If the surface is still the original golden color is pure gold; It is not pure gold. Generally, the lower the color, the stronger the color, and the darkens are all, indicating that it is a fake gold jewelry. (6)看标记:国产黄金饰品都是按国际标准提纯配制成的,并打上戮记,如“24K”标明“足赤”或“足金”;18K金,标明“18K”字样,成色低Those who are in LOK can not play the K -printed number according to regulations. At present, illegal elements are commonly used to manufacture fake cards and imitation stamps in the society. They use rare gold, Asian gold, and even brass to impersonate real gold. Therefore, the identification of gold jewelry must be comprehensively determined according to the sample to determine the true and false and the quality of the real. I am very grateful, your selfless help allow me