Manual treatment of jade in the market is called jade B goods, C goods or B + C goods. Jade B goods are jade products that are made of jade materials with poor quality, coarse particles and impurities, soaked with strong acid, etched away internal impurities, and filled with organic glue to improve transparency; jade C goods refers to artificially dyed jade products. ; Jade B + C goods refers to the combination of B and C goods, that is, after the strong acid etching and dyeing, and then injection of colorless or colored plastic jade products. With the continuous development of the jade market, people have a certain understanding of the traditional manual treatment of jade, relatively easy to identify, but with the continuous innovation of processing methods, imitating jade A goods can reach a very realistic level, so that people can not guard against it. Here, we introduce some of the latest artificially processed jade trends and breed characteristics that are more common on the market and are easily deceived.
1. The jade bracelet is glued from low-strength organic glue to high-strength organic glue.
Jade injection is the key to improving the transparency of B or B+C goods. In the past, the B-injection glue of the jade bracelet was mainly a general resin-based organic glue. Its strength was low and the hardness was not high, but the fluidity was good and it was easy to fill. The jade B goods often had a weak surface and the tapping sound was rather dull. Easy to identify; today's B-car jade filling organic glue is relatively high intensity, resulting in jade B goods also show a relatively strong luster, knocking sound is also relatively crisp, and A goods are almost the same. Therefore, it is not advisable to intuitively judge whether jadeite is A cargo, B cargo or B+C cargo based solely on the strength of the jadeite and the crispness of the percussion sound.
2. Dealing with the conversion of jade from single variety to multiple varieties
The earliest jade B goods were mainly processed with a jade material called “Basanyuâ€. Due to the coarser crystal grains of the raw materials, the structure is loose and the price is cheap, it is easier to make B goods, making “Basanyu†It has also become synonymous with jade B goods. The treatment of "eight three jade" is characterized by high transparency, a little bit of violet tone, green plaques, mainly for amphibole minerals, color grayish green or dark green, and low hardness, often after polishing It is recessed inward and the gloss is also poor. At present, due to the large number of “August Three Jade†appearing in the market, it has become familiar and easier to be identified. As a result, the raw materials for making Jade B goods have been diversified in recent years, as long as the crystal grains are coarse and the structure is loose. Emerald raw materials with poor transparency are widely used to make jade B goods, such as bean seeds, dry white, oil green and iron dragon and other jade and related varieties. Therefore, the understanding of Jade B goods can not only stay in the traditional "eight three jade" concept.
3, from a single C cargo to B + C goods change
For the common dyed jade (C goods), since the dyed pigments are mainly concentrated in the jade cracks, it is generally characterized by the observation that the color materials are distributed in the jadeite. However, B+C goods are firstly dyed and then glued, or colored glue is added. During the injection process, the dye color is faded and tends to be uniform, so that the coloring material is not visible in the dyed part. It adds difficulty to the identification of dyed jade.
4. Dyeing changes from imitation of high-quality emerald green jade to imitation of low-quality oil-blue and blue-water jadeite
In the past, jade dyeing was mainly dyed with emerald green color, imitating high-quality jade, and the color was relatively bright. As long as there was a clear absorption band in the red zone under the spectroscope according to the network distribution characteristics of the dye, it was easier to The Jade A cargo area is separated. However, today's dyed jade has gradually developed towards the direction of low-quality jade color. The dyeing is not dyed into emerald green, but mainly imitated oil green or blue water jade, dyed gray-green, dark green or blue-green. Because the value of oil green and blue water jade itself is not high, people often do not suspect that it is dyed, and the dyed absorption band that can not see the characteristics of the red zone by spectroscopic observation is easy to be fooled.
5, from the overall dyeing to local dyeing imitation floating blue flowers
In the past, jade dyeing was often dyed as a whole, and the whole block had dyeing characteristics. At present, there is a partially dyed jade on the market. The color is not emerald green, but grayish green or blue-green, and the color is spot-like and strip-like. Distribution, like the roots, a little negligence, it is easy to be mistaken for the original floating blue jade.
In summary, the development of modern artificial treatment of jade has brought new problems to the identification of jade, but in the identification, as long as careful observation, attention to typical characteristics, can still be distinguished: the transparency of the colored parts of jadeite A is often higher than no The color part is bright and round, and the sound of the tapping is crisp, like a metal sound. On the surface, you can see the "orange peel", which is inert under the ultraviolet fluorescent lamp; although some jadeite B products can show better luster and crisp sound, However, the internal structure is loose and the mineral particles are coarse. When observed with a magnifying glass, the surface will have an acid-etched structure unique to the B-goods, and will emit obvious fluorescence under the ultraviolet lamp; the jade C and B+C goods will be divergent, not formed, no The roots, colored and colorless parts have a uniform transparency and a gradual transition.
The jade market is constantly evolving and changing. The technology and variety of artificially processing jadeite are also constantly improving. This requires us to constantly understand the market dynamics, keep up-to-date information, and need extra care when identifying jadeite. Only then can we Make yourself invincible in the market operation.
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