treasure island wholesale jewelry Simple and practical method? And jade?
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treasure island wholesale jewelry Simple and practical method? And jade?
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rasta jewelry wholesale imports First, how to identify gold jewelry and brass jewelry. Compared with brass, gold has a strong sense of heavyness. It is oppressed in the palm of the palm, because the proportion of gold is 19.32g / cm3, and the proportion of brass is only 8.9g / cm3. The yellowish the color of the gold, the better the color, and if it is red, the copper impurities are high; if it is white, the silver impurities are high, and the golden color of its gold is low.
. How to identify K gold jewelry and foot gold jewelry. Differential K gold and foot gold are mainly hardened and elastic. The hardness of K gold is harder than the foot gold, the more pure the foot gold, the soft, and the teeth can bite the traces, while the K gold does not work. The K gold ring falls on the ground and has a strong rebellion, and the foot gold ring falls on the ground without this effect.
. How to identify gold -plated jewelry and real gold jewelry. The jewelry made of brass materials, plated a thin layer of gold on the surface, is very low in value because its material is hard and difficult to impersonate gold, but some people sell it as 18K gold. Also under "18kgp". The color of this gold -plated jewelry is different from the color of the real gold, which is obviously reddish, lacks golden colors, and the appearance can be different.
. How to identify nickel jewelry and platinum jewelry. Metal nickel is a material for making one yuan coin. It is white, does not oxidize, and looks like the color of platinum material, but the proportion of the two is different. CM3 is significantly different.
. How to identify silver jewelry and platinum jewelry. Although the color of silver and platinum is similar, it is also easy to identify. The proportion of silver is 10.5g / cm3, only 1/2 of platinum. In addition, the sterling silver is soft and easy to oxidize. It will turn black after a period of time in the air, while the platinum is different, which is harder and does not oxidize.
The purchase of any jewelry should be requested to the merchant. The content of the invoice should be more detailed and consistent with the jewelry you purchased. If you buy jewelry inlaid or diamonds, you should also obtain an appraisal certificate from the merchant.
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usually there are several simpler identification methods:
1, Shuijian method drip a drop of water on jade, such as dewdrops for a long time for a long time Those who do not disperse are really jade; the water droplets soon disappear.
2. If the hand touch method is touched by the real jade, it has a sense of cold lubrication.
3, inspection method towards the light of the jade, such as sunlight and light.
4, the tongue tongue tip of the tongue is really astringent;
This methods are enough
Is you buy your favorite jade products.
tourquoise jewelry wholesale Pay content for time limit to check for freenAnswer Hello, gold can be identified by the following 3 points: 1. Look at the color, the real gold color has the saying of seven green eight yellow nine five red. The weight, the real golden feel is heavy, and the fake gold feel is lighter; 3. The measured hardness, the real gold can use the nails to draw traces, and the fake gold texture is hard.nYou can also use a lighter to burn it. Real gold is not afraid of fire, and you can also use iron suction to suck. Really gold will not be sucked.nIt is my honor to help you! wish you a happy life! If you think it is helpful to you, please work hard! Thanks!nPersonally feel a little bright, maybe it is hard gold,nQuestion can't send a videonAnswer you bought it recently? Still sent by someone elsenAsk others to sendnReplynnNo questionnAnswer the normal interior, you can weigh the gold with gold with your hands, you can also throw it to the ground, there will be a hit, or in the strong light, the gold is particularly dazzling, I hope it can help you.nMore 9nBleak