② Hardness. Natural jadeite is jadeite, and its Mohs hardness is 7 degrees. It will be carved by a sharp knife without leaving any trace. The hardness of fake jade is low, so a sharp knife can draw it out.
3 Emerald. When natural jadeite is observed under strong light, emeralds with other mineral particles can be seen, which are called Cui Hua or emeralds. Fakes made of glass, plastic and porcelain have no such "emerald" characteristics.
④ Relative density (specific gravity). Natural jadeite has a hard and dense structure, no bubbles, high density, and clear sound when knocking; Fake products have loose structure or bubbles, low density and hoarse knocking sound.
⑤ color. The real product is rich and pure emerald color. Some fakes are made of white jade, serpentine, Australian jade, Han Guoyu, marble and even various stones. After decoloring, it is filled with high-hardness plastic slurry and colored, or soaked in green liquid to make "colorful jade". Observing under strong light, you can see green lines, which are messy and small; Some do not show lines, but they are not clear, with poor gloss and lighter weight than the real thing.
⑥ Listen to the sound. Steps:
1. Prepare an agate stick and a rope. (Most businesses have it. Be sure to ask him for it. Don't care about face. )
2. Hang the handle string with a rope, and be careful not to hold it with your hands! !
3. Tap the bracelet gently with an agate stick (note that the agate stick shall prevail! Coins, keys and other things are inaccurate! )
4. Sound: The sound of real goods is crisp and pleasant, as beautiful as the sound of wind chimes! Fake, voice, dull, hoarse. It's like picking up two keys and hitting each other. 1
Listen to the sound when you knock on jade. Natural jadeite has a dense internal structure and no bubbles, and it will make a crisp sound when it is knocked. And the sound of artificial jade will have a dull feeling.
2
Check its hardness with a knife. Natural jadeite is hard. You can scrape the surface of jade with a knife. If it is real jade, there will be no trace.
three
Looking at its color in the sun, good jadeite is pure in color, bright in color and evenly distributed without other variegated colors. However, there are many artificially colored jadeites on the market now, which can be put into melted wax liquid. If it is artificial coloring, the pigment will slowly precipitate out, but with the development of coloring technology, this method is not necessarily reliable.
four
Looking at the processing level, as the saying goes, the quality of processing level has a great influence on the price. Generally speaking, the processing level can be seen from the surface smoothness, polishing, shape and artistic modeling.
five
Feel the weight of jade, because the internal structure of jade is dense, so it feels heavy in your hand, unlike glass imitation.
six
Look for flaws, usually cracks, spots, black spots, etc. These defects will affect the quality of jadeite. Generally, the price of jadeite with cracks is much lower than that of jadeite without cracks of the same kind. You can observe the surface of jade carefully under the light, or you can observe it with a magnifying glass.
seven
To identify jadeite with water, you can drop a drop of water on jadeite to see if it slips. If it is really jade, the water drops will be dewdrops and last for a long time.
eight
Feel its texture, you can touch the jade surface with your hands, and the real jade will feel cold and slippery.
nine
Check its certificate. Generally, high-grade jadeites have special appraisal certificates. You can ask the merchant for it when you buy it, and a photo is attached to the certificate. You can check whether the purchased jadeite is consistent with the certificate.
Precautions?
Because the current counterfeiting technology is changing with each passing day, it is best to combine the above methods.
It is best to observe the color and texture of jadeite in the sun or with a magnifying glass. The naked eye can only see those obvious flaws in the light.
Yugui, don't be greedy when buying. You'd better shop around before deciding.
Only those high-grade jadeites have room for appreciation. Generally, there is little room for appreciation of low-grade jadeite.
When buying high-priced jade, it is recommended to choose a regular jewelry store or a large reputable shopping mall.
The experience content is for reference only and is protected by copyright.
The experience of this article was written from scratch.
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