Weak acid foam and then polished false emerald charge with instrument scanning Jiemi stone record

A pendant more than 3000 yuan, a bracelet more than 5,000 yuan, a Jade Guanyin 480000 yuan ... ... Reporter Yesterday Cultural Street, 901 and other emerald businesses learned there, following cartier fake love ring with diamonds the rise of emerald prices last year, this year's emerald prices continued to surge, or more than Doubled abound, kind of good emerald or even up to several times, at the same time, emerald fraud also after another 160,000 yuan to buy glass ring

At the end of last year, Mrs. Zuo, a citizen of the public, traveled to South Korea with her delegation and looked after a jade bracelet in a jewelry store in Seoul. Under the fluorescent light, she could see the subtle light brown 'veins.' Miss Jade has many years of experience in the purchase concluded that this is a superior jade jewelry, they asked the price. The shopkeeper to a high price, equivalent to RMB 160,000, with accreditation certificate. Ms. Zuo think this bracelet highly collectible, they bought it. After returning home, Ms. left with this pair of bracelets came to the Municipal Bureau of Quality Supervision, Inspection and Jewelry Gold jewelry station. 'After the spectral scanning, we found that this pair of so-called jade bracelets is actually a glass ring, the market price is only a few dollars.' Liu Ping, deputy chief of gold jewelry supervision and inspection station said the price from a few hundred to several hundred thousand

This reporter learned that the current emerald market in China are almost all from Myanmar. Yesterday, reporters at Cultural Street, 901 and the major shopping malls jewelry stalls saw Jadeite higher prices than other jade, the cheapest price of 200 yuan jade jewelry. In the 'Baoyu vegetarian', a jade Guanyin price 480,000 yuan. The owner told reporters that at the end of last year, this statue of Bodhisattva price of 350,000 yuan, after the Spring Festival price of 130,000 yuan long 'Emerald this market, it should be said there is no guide price, mainly to see the goods color is good, and then what is the attitude of the guests. Jade jewelry itself excellent quality, and is unique, then the high price was bought, then you can increase the price. 'Mr. Stone, an emerald shop owner said that the sale of jade is actually a' psychological ' For collectors, the fancy is the appreciation of space 'this piece of' Acacia ', I give you up to 5000 dollars, do not sell it?' In the cultural market of a jade shop, a middle-aged man wearing glasses Men are bargaining with the owner. 'He is a jade collection enthusiasts, have come seven or eight times, optimistic about this piece of emerald waist card, have to buy the lowest price, both of us now have a psychological difference of 2,000 dollars, and so reduced to 1,000 cartier ring women replica Money when I sold to him. 'Mr. Tao smiled and took a sip of tea, he said he would like to continue with the customer,' grumble grumble 'went down more than a dozen reporters visited the jade shop and found that more than the real purchase Very few. 'Sometimes not sold a month, it is normal.' Owner Mr. Tao said that the status of the current jade market is 'no market price' 'leave a compensable ten' hanging around

'If this is a fake how to do?' A woman is picking jade jewelry imitation cartier ring with diamonds constantly repeated this sentence. 'I tell you, leave a compensable ten, I have such a fixed shop how can sell fake goods for you?' The shop owner was a little impatient Reporters found that people in the selection of jade jewelry, asked 'true and false 'Less, ask' A, B, C goods 'is more. 'Some jade jewelry store holding C goods when A goods to sell, some less sophisticated buyers, it is easy to be deceived, many consumers will not be able to buy after buying identification, at best, to get to know the line of friends Take a look, but most people do not see any of them coming. 'Xing, a craftsman who has been engraving in the jade market for more than 10 years, said that consumers should be aware here that' fake 'is not absolute, The grade of jadeite should also be included. The so-called 'fake a penalty ten' by many shopkeepers refers to the absolute meaning of jadeite in a single sense, such as using glass instead of emerald, but does not contain jadeite grade grade, such as the C goods posing as a cargo, which is the future rights band To the problem reporter Yang Haitao

Weak acid 'pine bone' dye sealing plastic

The reporter saw that most jewelry stores have accreditation certificates, but the Municipal Bureau of Quality Supervision, Inspection and Jewelry Gold jewelry Deputy Chief Liu Ping that credible, because he had found false identification of foreign field, 'in fact, the best to distinguish Is true and false emerald, emerald more transparent, but also in the sun, a sense of hierarchy.Jade is a geometric body, in the growth process, there will be some natural manganese oxide, iron oxide and other sediments, so emerald look Up, cartier ring rose gold copy there will be brown or green or purple lines, some emerald in the growth process, the outside world of chromium ions will replace the aluminum ions inside, so we see through the green jade, but as for the brown veins inside or green Whether the context is artificial stuffing, it is difficult to distinguish with the naked eye.

Liu Ping told reporters that there are three main emerald market, A cargo, B cargo and C cargo. Among them, A cargo refers to the natural jade without any artificial optimization; B goods after strong acid cleaning, which injected plastic, though after polishing, but there will be acid corrosion pattern, after a period of time will be yellowed. C goods is a stained emerald, generally colorless, light and water better low-grade emerald made by artificial staining 'texture is not good Jadeite processed into A goods is actually very simple, there are two main markets Kind of fake, one is bleach filling, one is dyeing. 'Liu Ping told reporters that the jade geometry of the gap between the particles, the poor jade rough through weak acid (hydrofluoric acid) bleaching, the material will become more loose, that is Gaps between the particles become larger, easier to adsorb various pigments. The counterfeiters then fill the gaps with epoxy, which has excellent adhesion to the surfaces of both metallic and non-metallic materials. The jewelry is then infused with a chromium-containing chemical and a ferrous chemical to make the jade appear green and yellow, Finally, after grinding and polishing, poor quality materials can also make Cuise attractive jewelry three procedures 'perspective' is good or bad

Yesterday at noon, at the jewelry testing station, Ping Liu told reporters how to distinguish between true and false emerald. He picked up a bracelet on a spectrometer and scanned the spectrum to obtain the refractive index of the bracelet, which was then taken through a microscope and weighed to measure the specific gravity of the bracelet. The result was a true emerald bracelet Compared with the test values, are a lot of difference Liu Ping said that now an average day there will be three or four emerald buyers to do identification, mostly individuals. 'The result of the appraisal is completely calculated by the instrument, which is objective and will not cause any error.' Liu Ping said consumers should not simply believe the seller's identification certificate, especially the field identification certificate. Because the certificate itself can be faked. When buying jade jewelry, it is best to buy within the city, once found to be buying fakes, you can facilitate the timely maintenance of rights.

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