Jade ABC cargo details and differences

Jade's A cargo is pure natural jade, only carved and polished.

Emerald B cargo, the state issued the jewelery jade standard, optimized jade for the processing process, after the acid leaching and bleaching, wax processing jade. According to the strength of acid leaching and bleaching, it can be divided into two kinds of strong corrosion and weak corrosion rot, strong corrosion optimization of jadeite is equivalent to the market said no glue B cargo. Its interior has been largely destroyed. In the processing process, Jadeite has undergone strong acid corrosion and bleaching, and has been treated with excellent storage. The internal structure of Jadeite has been severely damaged, and then the colloidal polymer with antireflection and consolidation has been filled to fill the goods. Regardless of whether it is to optimize Jade or to deal with jadeite, it should actually be treated as a destructive treatment of jadeite or B cargo. The weak corroded jadeite, due to its destructive nature, should be said to optimize jadeite. Adding color and color processing jadeite and no-rubber color processing jadeite, through the acid dip bleached plastic injection or no plastic injection, and add the coloring agent of jade jewelry called B+C goods.

Emerald C cargo, dyed jade. Regardless of the acid leaching or bleaching, whether or not the glue is filled, the artificially added jadeite is called C cargo. At present, the new trend of emerald processing, after strong acid treatment, is not filled with plastic, but is filled with wax. The wax is optimized and the glue is processed (B goods), so the country's laws are exploited. In addition, water glass (silica) was used to fill jadeite very early, and the effect is very good. No one is aware of it yet. There are also the use of nano-aluminum, silicon filling jade, are called senior B cargo.

The biggest difference between Jadeite BC cargo and A cargo is that their own structure has been destroyed. Therefore, the Jadeite BC cargo has different internal and external characteristics (also based on the internal characteristics of the external performance) and A cargo, specifically speaking, BC cargo is first pickled, its internal structure is destroyed, there are some minerals (mainly impurities) are brought out by the acid, so the transparency will usually increase, and the original cracks expand, so its structure is not as dense as A cargo. From the physical and chemical properties, its density, refractive index, hardness and other properties will be There are some changes, but because this change is relatively small, it is not easy to measure. Then the B cargo will be filled with glue and the glue will be filled into the cracks. Therefore, there will be traces of glue when the cracks are carefully observed; and the C cargo will be dyed, so its color is artificially filled in, and it looks natural to the color of jade. For different reasons, it is the meaning of the “harmony” of the mainstream. In addition, it has been mentioned above that the hardness of the treated jadeite has been changed, specifically, it has been reduced, so that it is impossible to throw a grease like the A product when polishing, and because the structure is destroyed, it is polished. Minerals on the surface can be thrown off to form small pits, and the texture like orange peel is called “Orange peel”.

“This is a very ordinary little Buddha. It’s probably a little more than a noon when it’s seen on the market. The boss asks for a price of 100 pieces. The fluorescent light is full and it’s very transparent under sunlight! The naked eye can't see ordinary B. The dull look of the goods!!! After the discovery of B goods, the boss made a surprise-like! After ten yuan buy back for the specimen!

Look carefully under the reflective surface, you will find a lot of small pits, and some etched reticulate, I am under ten times the magnifying glass, tossing more than an hour, finally took a few see the photos, we refer to the first! ! ! The photo was taken at six o'clock in the evening. Due to insufficient light, everyone will see it! ”

Jade B cargo production process and identification [production]

The main purpose of the early B cargo was because the surface of jadeite often had a layer of yellow iron stains that affected the appearance of jadeite. The usual method is to soak jadeite in strong acid. After a while, the yellow color on the surface can be removed. This process is called yellowing.

The initial B cargo was pickled, then washed, and then waxed. There was no difference between normal and rough jade. However, when the temperature was affected, the wax on the surface would easily fall off, and the surface cracks would soon be revealed. Come out, so the initial B cargo is very easy to check out.

The production of Jadeite B now has been greatly improved and the technology has been continuously improved. The process is as follows:

First, we must choose the species, not any germplasm can do.

Second, the choice of strong acid solution, now generally use **, will need to deal with the jade washed into the soak, germplasm different needs different time, it usually takes 2-3 weeks, due to the erosion of strong acid, the original tight Jade The structure will be destroyed loosely.

Third, the acid-treated jadeite washed, then the surface of the emerald and the interior has formed a honeycomb, the structure becomes very loose. Therefore, it needs to be glued with an extremely strong epoxy adhesive.

Fourth, heat consolidation, the ember resin cemented jade wrapped with tin foil in the microwave heating, on the one hand to make excess resin out, while also heating the epoxy curing.

5. Finally, the protruding epoxy resin portion that can be seen with the naked eye is cut and polished with a knife.

[Identification]

First, the color, after the color of the jade, the color is generally more vivid, but not too natural, sometimes it will make people feel yellow, shiny, with resin luster, natural jade glass shine.

Third, the structure, structure appears loose, and some crystals will be staggered, displacement.

Fourth, look at the germplasm for good light transmission, A cargo light penetrating power is strong, crystal clear, strong reflection in the wings of the fly; B goods light penetration is weak, more paste; like glass and glass The feeling of glue. The quality of the seedlings is only poor, but recently there are a lot of newly-developed species of white earth blue, which are very poor, and the surface of things that are produced has obvious pickling characteristics, but the upper infrared spectrometer reflects that it is a cargo. There is no glue peak.