The difference between jade waxing and waxing

Any gem material must be processed through certain processes, especially jade, which is called "Jade is not awkward, not a device." The waxing of jade and the waxing of jade are all a process of post-processing of jade, but both have essential differences. Jade jewelry is often waxed to increase its glamour. Therefore, jade jewelry cannot be in contact with acids, alkalis and organic solvents. Even unwaxed jade jewelry, because they are mostly mineral aggregates, should not be in contact with acids and alkalis for a long time. These chemicals can cause corrosion on the surface of jade jewelry. Also, don't put the jade jewelry in the box for a long time. After a long time, the jade jewelry will "water loss" and dry out. Wearing it for a long time will make the color of the jewelry dim. At this time, you can go to the reputable jewelry store to polish and renovate. Re-finishing and polishing will make your jade jewelry look fresh and renewed.

For jade, the final step in the processing is waxing. After the jade polishing is finished, a thin layer of wax is applied on the surface to make it smoother and more lustrous. This process is different for the jade itself. The nature is not changed, so waxing is also considered a process of optimization. However, there are some jadeites in this province, which are loose in structure, that is to say, the jade is poor in water, and the water is dry. Some merchants tend to soak these things in the wax bath during the waxing process, so that the jade products are soaked in the melt. In the paraffin, keep it for a while, so that the paraffin is immersed in various voids on the surface of the jade, which will make things look better. If the texture of the jade is relatively tight, the wax is immersed only on the surface layer, and the jade is waxed to fill the small pits and small pores on the surface to enhance the gloss and transparency of the surface. If the texture of the jade is relatively loose, or after various pickling, including the traditional bayberry soup, the pores of the jade will increase, and more paraffin will be filled into the interior of the jade. It is clearly stipulated in the national jewellery and jade identification standards that jadeite with excessive wax is treated as jadeite, and jadeite immersed in more wax will produce white flowers due to aging of the wax, indicating that the transparency of jadeite (ie, the head of jadeite) is changed. difference. Some jadeites will produce this change in just half a year because of the poor quality of the wax. Therefore, this wax filling process is different from waxing and can be called dipping wax treatment.

The dipping wax treatment is different from the pickling and gluing treatment. The jadeite treated by the waxing process is not subjected to strong pickling, the structural damage is not strong, and there is no obvious influence on the durability of the jadeite. In another case, the structure of the natural jadeite It is quite loose in itself, such as jadeite with a coarse structure. However, as long as there is too much wax, it may cause the transparency of the jade to crack due to the aging of the wax, and it can be regarded as a jade jade. This kind of jade is hard to distinguish with the naked eye. Therefore, consumers should pay great attention to the purchase process.

Dipping wax jade and waxing jade have the following characteristics to distinguish:

(1) Observed by ultraviolet fluorescence. The ultraviolet fluorescence of the wax-impregnated jade is stronger than the waxed jade, generally medium-intensity blue-white fluorescence, and even has strong blue-white fluorescence.

(2) Detection by infrared absorption spectrometer. Infrared absorption spectroscopy can better distinguish between two kinds of jadeites: waxing and waxing. The 2925cm-1 wavenumber absorption peak of the wax-impregnated jadeite is very strong, close to the zero transmittance, which is close to the bottom line, while the absorption of the 2925cm-1 wavenumber of the waxed jadeite is weaker and farther from the low line.

When testing the infrared spectrum of the sample, pay attention to whether there is a wax layer on the surface of the sample, especially the jade flower piece, and the wax in the pit is not wiped clean. The wax layer on the surface affects the infrared spectrum test results and also affects the authenticity of the UV fluorescence.

(3) Repair of dipping wax jade. The aging wax-impregnated jade can be re-melted by waxing the wax to eliminate the adverse effects caused by aging.  

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