How to identify injected jadeite? What is the difference between jadeite and natural jadeite?

Pure natural jade, which can be divided into jadeite and nephrite. Jadeite is a type of jade that is found in Myanmar. Nephrite is pure natural jade with a lower density than jade.

The pure natural jade produced in China basically belongs to nephrite, and the most representative is Hetian jade. So, fundamentally, jadeite is just one type of jadeite variety, jadeite is jadeite, and conversely, jadeite is not necessarily jadeite. How can you tell the difference between jadeite and nephrite in general?

We can tell by looking at their shine.

The surface of nephrite jade exhibits an inconsistent grease luster, which is soft and warm, so people understand jade as "warm jade", while jade, on the contrary, it presents a hard vitreous luster, and the luster has a cold meaning, so it is called "cold jade". This is one of the biggest differences between jadeite and nephrite, and the most practical way to distinguish between the two. When buying jade, we don't choose jade glue because jade is not glue, but jade can be glued.

But now there are some jadeite on the market that are rubber jadeite, and rubber jadeite is not natural jadeite, so how to distinguish whether it is rubber jadeite when buying? Let's take a look at the identification method of gum jade.

Jadeite is not naturally formed, but in the case of poor texture bracelet raw materials, the dirt inside the jadeite is first dissolved with strong acid, then bleach, and finally glued inside the gap to make the bracelet more transparent. The surface glossy microwax has a loose internal structure, and if the color is not clear enough when struck in the gap, the color will be darkened after long-term use. Gum jade does not have ** luster and water head, it looks rough and dry, and the green is mixed with green pigments, which looks stiff.

This kind of jade can't be bought in the future, so it's best not to wear it.

<> when wearing jade, you must pay attention to avoid bumping, so as not to damage the jade. Avoid oil and sweat, keep it clean, and avoid contact with sweat, oil fumes, perfumes, detergents, etc. Wipe with water and a soft white cloth when cleaning.

The following two types are generally used for jadeite glue injection: wax, which is a common injection molding raw material for rubber, and it is also an important means of Yuguang, which is not limited to making C products; Epoxy resin, due to the limitation of the nature of the wax itself, so most of the glue is made of resin glue, which is generally more beautiful when gluing. The above is to pay attention to the identification method of glue jadeite, everyone should pay attention to the identification when buying, and never buy glue jadeite.

Mainly to see if there are impurities, if there are impurities, it means that it is natural jadeite, if there are no impurities crystal clear, it means that it is injected jadeite; **Different, different textures, different gloss, the difference is these.

You can judge whether the jadeite is injected by the surface of the jadeite, or by observing the internal structure of the jadeite; The biggest difference is that natural jadeite cracks will have obvious grooves, while glue-injected jadeite cracks are more evenly distributed and the internal structure is looser.

Their surface is definitely different, glue-injected jadeite, there are cobwebs, natural jadeite does not, and the internal structure is not the same.

It can be distinguished by color, but also by texture. The difference is that the color is different, the quality is different, the feel is different, and the work looks different.

There will be pitted acid etching lines on the surface of the jadeite, and the structure inside can be seen to be scattered through light observation. The jadeite without glue injection will not have acid etching lines, and the structure inside can be seen to be clear, orderly and tight, and it looks relatively bright.

1. Surface features.

Compared with jadeite injection, it is difficult to distinguish between the two from the outside when observed from a distance. However, when you look closely, you can see that there will be pitted acid etching lines on the surface of the jadeite injected with glue, and then you can see the reticulated acid etching lines when you zoom in, while the jadeite without glue injection will not have acid etching lines.

2. Structure. Compared with the structure of jadeite injection and non-glue injection, when the jadeite injected with glue is viewed through the light, its structure will look relatively scattered, and the structure inside is blurry, and it looks like it is all adhered together. The structure of jadeite without glue injection is clear, orderly and tight.

3. Luster. If you want to compare jadeite glue injection and non-glue injection, there will be a certain difference in the luster of the two. Generally speaking, the surface luster of jadeite without glue is strong glass luster, and the luster is relatively bright. The jadeite injected with glue has a dull luster and looks like a wax or resin luster.

There are several sayings about the name of jadeite, one is from the name of the bird, the feathers of this bird are very bright, the male feathers are red, the name of the bird (also known as the red feather bird), the female feathers are green, the name of the kingfisher (also known as the green feather bird), collectively known as the jadeite, so, there is a jade for the male, the jade for the female saying.

During the Ming Dynasty, after Burmese jade was introduced to China, it was named "jadeite". Another said that the ancient "cui" refers to the green jade produced in Hotan, Xinjiang, after the jadeite was introduced into China, in order to distinguish it from the Hetian green jade, it was called "non-cui", and then gradually evolved into "jade".

Jadeite is one of the most worthy ornaments, there is a kind of jadeite called gumming jadeite, compared with the crystal super transparency, clear light, strong glass luster, seems to maintain the stone characteristics of jade; Compared with the slightly transparent and warm Hetian jade, it has a strong transparent structure and light sense. Do you like this kind of gumming jadeite? Because of this, there is a kind of jadeite on the market - jadeite injected with glue.

So, what exactly does jadeite injection mean? How to interpret the answer will be more accurate.

It can be said that glue injection is not uncommon in jewelry and jade circles, and it is also one of the most commonly used jadeite B goods and C goods processing technology. Due to the loose structure of jadeite washed with strong acid, the cracks will be filled by glue injection, and then processed. With the improvement of the process, the polished glued jadeite does not look much different from the natural A-goods jadeite, which is quite confusing.

This is known as jadeite injection.

1. Luster change: After the jadeite is soaked in strong acid and alkali, the structure is loose, and the surface is dissolved and pits are not filled before, which makes it diffuse reflection and weakens the luster. After adding organic fillers such as resin or plastic, jadeite often has resin luster, waxy luster, or glass luster, mixed with resin luster, waxy luster.

2. Cementation: Due to the large difference in hardness between the filling and the jadeite itself, there are obvious grooves at the original cracks, and the fillings are significantly lower than those on both sides, and many cracks form a criss-cross oath ditch. Cementation or residual air bubbles can be seen in larger "trenches".

The surface of the jadeite treated by bleaching and filling with better processing technology is very smooth, which increases the difficulty of identification.

3. Color: Due to the destruction of the structure of jadeite, the original optical properties have also changed, so "the color distribution of jadeite has no sense of hierarchy." Although the green color of the jadeite treated by this method is still the original color, after soaking in the acidic solution, the base becomes white, the green distribution is more floating, and the orientation of the original color is also destroyed, which looks unnatural.

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The texture is delicate with the naked eye, the color is soft, and the stone grain is obvious; Slight impact, crisp and pleasant sound; The hand has a heavy feeling, which is clearly different from other stones. It shows glass luster, and the fiber intertwined structure is observed when magnified, and there is no fluorescence under ultraviolet lamp. - Quoted from the encyclopedia, many such glued jadeite flooded the market.

Identification of jadeite can be identified by the following 3 points: boiling, to identify whether jadeite is injected with glue can be boiled with water, put jadeite into a pot of cold water and boil until boiling, jadeite eggplant age is naturally generated, and the texture will not change in any way.

The first trick: look at the color of the jadeite bracelet injected with glue is very unnatural, because the process of glue injection destroys the original optical properties and internal structure of the jadeite, making its internal color look messy and uneven.

To distinguish whether the jadeite is injected or not, you can look at the appearance; When you look closely, you can see that there will be pitted and hail on the surface of the jadeite with glue injection, and then you can see the reticulated acid etching lines when you zoom in, while the jadeite without glue injection will not have acid etching lines. To distinguish whether the jadeite is injected or not, you can also look at the structure.

Identification method: 1. Put the jadeite into cold water and boil until it boils, if the texture becomes more and more turbid, or even fade, it is the jadeite that is injected with glue. 2. Observe the surface structure of jadeite with a magnifying glass, if the structure is irregular and there are many fractures, it is injected jadeite.

3. Look at the luster, the surface gloss of the injected jadeite is slightly waxy. 4. Use purple light to irradiate jadeite, and the glued jadeite has a relatively strong fluorescence under fluorescent light. 5. Listen to the sound, the sound of the glued jadeite is not crisp enough when tapping.

How to choose jadeite:

1. Texture: The one with good transparency and glass luster is the best product. The jadeite is partially foggy and shaped like a fly's wing, which is an important sign to identify jadeite jade.

The green jadeite has shades of color and green spots, which looks natural. Unlike artificial coloring, it looks rigid and has no aura.

2. Hardness: Jadeite is the hardest jade in jade. It can be used to scratch the glass, such as the glass can be scratched in front of the seller when buying, if the seller does not agree, do not buy easily.

3. Weight: The proportion of jadeite is heavy, and there is a sense of heaviness in the hand, and there is a sense of light fluttering if it is a glass product. China's Henan jade also has a large proportion, easy to pass off as jadeite, and its color is also close to jadeite, which needs to be comprehensively inspected.

4. Look at the color: all high green or full green pieces must be particularly cautious, because if it is genuine, its price is extremely high, and it is impossible to general**. If there is a small amount of green head and the color is brighter and brighter, it is better, and its price is relatively moderate.

5. Look at the size of the piece: generally speaking, the area of the piece is about 3x3cm, and the area of the pendant is about 2x2cm. The size of the ornament can be arbitrary.

But pay attention to the thickness, the thickness of the piece directly affects the transparency, the thin transparency is high, the thick transparency is low, generally 3-5mm can best identify the transparency.

6. Look at the workmanship: pay attention to the craftsmanship of the first piece, and it is best to observe it with a magnifying glass of more than 4 times. The character statue mainly depends on whether the face is upright and whether the facial features are reasonable; Animal statues look at whether the proportions of the torso and limbs are appropriate, whether the form is natural, and whether the flower carving depends on whether the lines are smooth and whether the layout is reasonable.

Particular attention should be paid to the carved sunny and shady sides and whether there are cracks on the surface and bottom.