Pearl jewelry testing what mistake? The myth of the, pearl jewelry detection 1, pearl testing national standards According to national standard "GB/T 16552-1996 jewelry jade name" on the column of pearl, in the pearl respectively as "pearls, seawater pearls, freshwater pearls, cultured pearls, seawater cultured pearls, freshwater cultured pearls". The other in the column of optimization, the pearls were for "white - optimization, dyeing processing, treatment, irradiation treatment, processing". Learn from Shanghai market research and optimization using dyeing processing formation of the black pearl (processing) is very common. When consumer is buying black pearl must ask the shop is a natural color replica Cartier love bracelet or dyed; Stores should also be active to introduce consumers to the black pearl is natural color or dyed. 2, black pearl detection error Black pearl through the corresponding detection means and methods are measured correctly, however now the individual inspection institutions and individuals will be black pearl into the erroneous zone. A black pearl in detecting has written "black cause cannot be determined," this spelled wrong, is also a kind of irresponsible practice, it is best if there is no corresponding measures and methods don't out according to the certificate, so as not to mislead the consumer. Because after this certificate out according to the consumer is bought by the black pearl, or press dyeing processing black pearl to purchase? Store pricing is according to the black pearl pricing, or press dyeing processing black pearl pricing? Once detect a dyeing processing black pearls, each other requirements to the color is not that color should not be determined how the according to the appraisal certificate? Other advice according to the "black cause cannot be determined on a certificate, and print on the certificate, this isn't the sham as the genuine! Gem testing center also refused to according to the appraisal certificate. Second, the pearl jewelry testing program should be paid great attention to Inspectors each receive a (group) pearls, Cartier love bracelet replica pearl jewelry, should first determine whether it is for the pearls, imitation pearl (mold plating beads, plastic beads, glass shell powder bead, further to determine the natural pearls, cultured pearl, further determine cultured pearl seawater cultured pearls, freshwater cultured pearls, further to determine the color of the pearl is natural color or dyed, such as red, violet pearl, pearl pearl in brown, black pearl. Only through fine seed testing work for each (group) pearls, pearl jewelry is objective conclusion accordingly. The essence of the three, colored pearl jewelry Pearl is in all kinds of pearl shell (jib clams, folds crown clams, dorsal horn toothless clams, back li clam), culture being the growth in natural water bodies, pearl surface with different growth structure, natural color is diverse, common have white, pink, pale red, shallow purple, grey, green (green), black breeding is difficult, and expensive. All sorts of color of the layer, basic characteristics of a pearl is surface layer, the layer, the surface is not appear two color. Black pearl, for example its growth of each layer are black; Fraction, the black pearl, pearl fraction pearl growth of every layer are all part of it, dyed black pearl layer growth layer are the pearl color black for dyeing formation on the surface of (various colors). Platinum is one of the world's most rare jewelry made of metal. In the world, only a few places such as South Africa and Russia produce Fake Cartier love bracelet platinum, annual yield is only 5% of the gold. Tons of ore, after more than 150 procedures, take months, derived by platinum can only be made into a gram weight of simple ring. So rare, it is no wonder that has platinum feel valuable, it is no wonder that famous designer Louis Cartier called platinum "king of the precious metals"! Here is a wide range of applications and it people often appear. 1. Platinum oxidation resistance is strong, high melting point, therefore is also used to make space suits. Platinum as catalyst, has been widely used in automobile discharge purification device, play an important role to protect the environment. 2. The second world war, platinum has the very important for military purposes, because it is a good catalyst, high melting point. The United States government was once banned the platinum non-military purposes. 3. Anyone skin allergic to platinum will not phenomenon, platinum can make electrode used for electronic pulse modulators, directly inserted into the human heart, cure patients with arrhythmia. 4. Platinum can also be used in the manufacture of diving depth of 200 meters of waterproof watch. Why the price of platinum is higher than gold? For platinum is a metal is more rare than the gold, platinum mines each year only 5% of the gold, in addition to processing platinum also Cartier love ring replica need higher technological level. What's the difference between platinum and white gold? White K gold, in fact, a kind of alloy, gold with other white alloy amalgamation and have the largest gold content is 75%, its white natural color, time is long may fade or yellow mottled. And platinum is a kind of natural white jewelry with precious metals, its value higher than white K gold. On the purity, rarity and durability, white K gold capital cannot be compared with platinum. How should the platinum jewelry collection and cleaning? With general precious jewelry, platinum and other accessories separately collection, so as to avoid touching or scratching; Can be regular with ordinary jewelry cleaning equipment for cleaning, or send jewelry store professional cleaning, please. Why do you say with a platinum diamond the safest? Platinum metal more tough than normal, can firmly inlaid with diamonds, safe and not easy to fall off, therefore, high quality diamonds mounted on the platinum safer. For this reason, in the international field, platinum set Cartier love ring replica auger adorn article that pay insurance cost is lower than other diamond jewelry, also at the same time, natural white luster better able to foil a platinum diamond. On the platinum jewelry Pt900 mark represent? Pt is a sign of platinum. Pt900 represents pure platinum content up to 90% of the platinum jewelry. Why platinum jewelry on behalf of the fashion? A. Platinum natural white metallic luster natural elegant and implicative; 2. The natural white platinum metallic luster rich simple sense, suitable to set any stones; 3. Platinum jewelry easy to tie-in dress; Because of high purity rare precious metals platinum is the most suitable for expressing the eternal love, so platinum has now become the love of the masses.