a cargo jade identification
The identification of natural a-car jade is mainly determined by the naked eye, and sometimes it is also useful by the light-assisted effect. In addition to gambling stones, the general a jade identification needs to pay special attention to the following points:
Look at the emerald fly wings:
The flies' wings are the glittering facets that the jade surface sees under the light, like the winged flash. This is the unique characteristic of the jade. The size of the glittering surface is related to the size of the jadeite particles. For example, the jadeite of the bean species is easy to see the fly wings, while the jadeite of the glass species does not show the fly wings. A large number of "fly wings" are visible on the rough jade cutting surface, and the polished surface is not easy to see.
"Fly wings" is one of the important signs of the identification of jade a cargo, but it is not the only sign. When observing the "fly flies", it is also necessary to have certain flaws: one is to observe on the reflective surface of the jade; the other is to avoid the polished parts as much as possible; the third is to observe the inner ring when observing the jade bracelet.
The "orange peel effect" is that the jadeite goods are on the polished plane. By reflecting the reflection, there will be features similar to the size and direction of the orange peel, which are different in size and direction (Fig. 2). The "orange peel effect" is only prominent in the jadeite goods, and the boundary between the bulge and the depression is a smooth transition; the jadeite B is not a smooth transition between the bulge and the depression, but has a crevice Open, like a spider-like crack pattern, called "etching lines", which is significantly different from the "orange peel effect."
Look at the unique structure of the jade:
When the jadeite particles are coarse and uneven in size, the jade-like bean-like structure can be seen by the naked eye. This is often referred to as the “bean seed†jadeite; when the jadeite particles are fine, this phenomenon is not very obvious.
Look at the luster of jade:
The natural jade a cargo identification is characterized by a clear glass luster, like the reflection of the glass surface, which is especially prominent in high-grade jadeite; in some kinds of poor jade, it is waxy luster. Look at the color of the jade:
There are many kinds of jade colors, and the most valuable one is green jade, so all kinds of artificially colored jade are flooding the market. Dyeing jade lacks luster, giving people the feeling of "dry" or "water shortage". The coated jade has a smooth surface, but the surface has no orange peel effect and a gelatinous effect.
In the past, there was no concept of A, B, and C goods in the market, because the jadeites sold at that time were all natural jade. Until the 1980s, some unscrupulous businessmen used non-physical methods to deal with low-grade jadeites for profit. The difference between A, B, and C goods. As the saying goes, the jadeite A goods refer to natural jadeite, which is the jadeite produced by nature only through normal processing and honing. With the continuous improvement of people's living standards, people's demand for jade is getting bigger and bigger, and the requirements for jade quality are getting higher and higher. However, the natural jade produced by the natural world is rare and the price is not high; the color is not too much, most of it is color difference, coarse, and waterless. This contradiction between market demand and high-quality jade production is becoming increasingly acute. Many merchants have tried to improve or change the color and transparency of jadeite by artificially optimizing those jadeites of poor quality. The artificially treated jadeite is called jadeite B, and some is called jadeite C.
A goods: without any artificial chemical treatment. It is pure natural jade. Only the traditional mild surface acid or surface wax treatment, the structure of the jadeite is not corroded and destroyed. The same is the jade bracelet, but in contrast, the price of the jade A bracelet is many times higher than the B bracelet and the C bracelet.
B goods: pickling, bleaching, potting, the appearance of the head is very good, indicating that the luster has a gel, the knocking sound is boring, the price is relatively low. But the good B goods are much higher than the poor A goods (don't think that A goods must be very valuable, there is also a worthless brick material A goods). B goods made with the latest technology are very close to A goods.
C goods: artificial dyeing, mostly directly immersed in dyes for a long time to heat dyeing, sometimes need to be repeatedly heated. Note that since dyeing is required, the structure of the jadeite must be artificially destroyed, otherwise the dye cannot enter the interior. But this damage is not necessarily pickled.
B+C goods: both pickled, bleached, glued, and artificially dyed. The appearance looks beautiful regardless of the color or the water head. It is good as a cheap and good jewelry, but it has no collection value.
In the past, there was no concept of A, B, and C goods in the market, because the jadeites sold at that time were all natural jade. Until the 1980s, some unscrupulous businessmen used non-physical methods to deal with low-grade jadeites for profit. The difference between A, B, and C goods. As the saying goes, the jadeite A goods refer to natural jadeite, which is the jadeite produced by nature only through normal processing and honing. With the continuous improvement of people's living standards, people's demand for jade is getting bigger and bigger, and the requirements for jade quality are getting higher and higher. However, the natural jade produced by the natural world is rare and the price is not high; the color is not too much, most of it is color difference, coarse, and waterless. This contradiction between market demand and high-quality jade production is becoming increasingly acute. Many merchants have tried to improve or change the color and transparency of jadeite by artificially optimizing those jadeites of poor quality. The artificially treated jadeite is called jadeite B, and some is called jadeite C.
A goods: without any artificial chemical treatment. It is pure natural jade. Only the traditional mild surface acid or surface wax treatment, the structure of the jadeite is not corroded and destroyed. The same is the jade bracelet, but in contrast, the price of the jade A bracelet is many times higher than the B bracelet and the C bracelet.
B goods: pickling, bleaching, potting, the appearance of the head is very good, indicating that the luster has a gel, the knocking sound is boring, the price is relatively low. But the good B goods are much higher than the poor A goods (don't think that A goods must be very valuable, there is also a worthless brick material A goods). B goods made with the latest technology are very close to A goods.
C goods: artificial dyeing, mostly directly immersed in dyes for a long time to heat dyeing, sometimes need to be repeatedly heated. Note that since dyeing is required, the structure of the jadeite must be artificially destroyed, otherwise the dye cannot enter the interior. But this damage is not necessarily pickled.
B+C goods: both pickled, bleached, glued, and artificially dyed. The appearance looks beautiful regardless of the color or the water head. It is good as a cheap and good jewelry, but it has no collection value.
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