Recently, I saw a paragraph about the identification of jade on the Internet. It is said that after a mother heard that the fire jade can identify the true and false, she decided to try the jade bracelet that she had collected for many years. Guess, what is the result? The eager to prove the aunt directly put the bracelet on the natural gas on the house and set it on fire. After a few minutes of baking, the bracelet was black. The aunt saw something wrong. He quickly turned off the fire. He saw the green bracelet is dark now, in the heart of the aunt. Urgent, but can not directly get it, so I poured a bowl of water. This is dumbfounded. It would have been a black one. If you look at it, the whole bracelet is cracked. Later, the bracelet was identified as natural jade, and it was still full of green. It can only be said that the rich aunt is self-willed, and it is better to get a reliable quality supervision station at the beginning. In the past few years, with the rise of the jade market, the fake goods in the jade market are also endless. In order to cater to the public's eagerness to seek truth, various folk remedies that distinguish the true and false jade have also begun to spread word of mouth. Therefore, like the aunt mentioned above, there should be no shortage of people who have ruined their jade because of false beliefs. So today we will analyze why these folk remedies are not reliable, and help everyone get out of some misunderstandings. First of all, let us first understand the physical properties of jade and the definition of jadeite A, B, C goods. Jadeite is also called jadeite, which is a crystalline aggregate with a Mohs hardness of 6.5-7, a refractive index of 1.66, a relative density of 3.30 to 3.36, and a grease to glass luster. Jade A goods: refers to jade products made from natural jade original stone, only through mechanical processing means (physical methods) such as cutting, grinding, engraving, polishing, etc. in the processing of finished products. Jade B goods: refers to the original jade, the poor color of the jade after soaking with strong acid, so that it can improve the water and color, and then fill the jade products in the jade with the acid solution. Jade C goods: refers to the original colorless, green lighter or greener jade, in the process of processing artificially added foreign dye method to add color (color) jade products. Next, let's analyze the various identification remedies together! First, remedy Method: Use a jade or agate round bar to gently tap the jade, carefully distinguish the sound of the jade, if the sound is sharp, crisp and pleasant, but also a little metal "steel" sound, it proves to be natural jade If the sound is dull, short, and without "steel", it may not be natural jade, because the crystal structure of the jadeite treated by strong acid soaking is destroyed, which seriously affects its sound transmission effect. If the sound is particularly strong and harsh, similar to the "broken" sound, and the jadeite is very light, it may be glass. Truth: It has a certain effect on the jade bracelet that identifies B goods. Because the B goods are subjected to strong acid pickling and injection molding, the internal structure will be looser than that of the A cargo jade, and the hardness of the goods is lower than that of the A product. The sound emitted by the object during the tapping is related to the hardness of the object, that is to say, the higher the hardness of the jadeite under the same conditions, the higher the tone that it can emit. Therefore, this method is only effective for B-car jade. If it is only dyed C-car jade, the sound of tapping is the same as that of A-car jade. Moreover, this method is only applicable to jade bracelets, and the use of this method requires a wealth of experience in the jade industry, and it is difficult for ordinary people to distinguish the difference in sound. Therefore, tapping can not be used as the final method to identify jade, and the bracelet is more fragile. Improper force when striking will cause damage to the bracelet. Second, partial slashing Method: Because the Mohs hardness of jade is as high as 7, and the hardness of the glass is 5, the jadeite can be smoothed without sculpting the thickest part on the discarded glass, the glass will have obvious scratches and the jade will be intact. Lossless. Truth: The principle is that the head is the road, but this is only effective for some counterfeit jade than the fake glass with low hardness, but not for jade B and C. Because the essence of Jade B and C goods is still jade. B goods are washed by strong acid pickling to remove impurities, and then filled with glue to fill the voids in the jade. In the case of C, the jade with a bad color is placed in a dye solution to heat it, so that the white base is stained with green or violet. Therefore, the B and C cargo jade are not much different from the hardness of the A jadeite, and still have a higher hardness than the glass, so it cannot be identified. Third, remedies, high temperature burning Method: Jade is resistant to 800 °C and does not change color at high temperatures. Therefore, the natural A cargo jade is burned with fire, no discoloration, no odor, if it is B, it will change color and produce odor. Truth: This method is definitely not reliable. Generally, you have not seen the fuel fade, and your jade will be abolished. Although studies have shown that jadeite begins to vitrify at around 1000 degrees, because the mineral composition of jadeite is more complex, mainly jadeite, followed by omphacite, amphibole, albite, etc., so the melting point of all jadeites is considered. The same is not true. Secondly, although the jade has a higher melting point, after burning, the internal molecular volume will increase, causing the jade to become metamorphosed, causing the jade to lose its moist moisture, so that its germplasm will dry out and its color will become lighter. Therefore, using this method can not only correctly judge the true and false of jade, but also cause damage to the gem. If you are not careful, you will become the second rich and self-willed aunt. By the way, the above-mentioned natural gas used by the aunt, the flame temperature is about 1950 ° C, so the bracelet is destined to be abolished, can only say that the rich aunt is true. Second, remedy boiling method Method: Place the jadeite in a container of water and cook the jade by heating the water. If it is a C-car jade, it can be used to remove the dye or soak the dye by boiling water; if it is a jade, it will not fade. Truth: Absolutely not reliable. The modern counterfeiting technology is superb, and it is not necessary to remove the dye by boiling, so it is impossible to identify the A cargo and the C cargo jade. Some people may think, anyway, the highest boiling point of water is generally 100 degrees. The melting point of jadeite is not 1000 degrees. It should be fine to cook and cook, and in case it is identified as C jade. I advise people who think like this, or temporarily stop it. Although the boiling point of water is not high relative to the melting point of jadeite, the high temperature will still increase the internal molecular volume, causing the jade to metamorphose, causing the jade to lose its moist moisture, causing its germplasm to dry and its color to change. shallow. So, if you really don't care about the emerald green jade boiled into a light green jade, then give it a try! Having said that, have you found that many plausible jade identification methods are unreasonable and completely non-operating. So I want to use some simple methods to identify the true and false of jade, the risk is very big. In particular, the technology of counterfeiting is becoming more and more advanced, and many methods must be identified through some professional instruments. Therefore, for beginners who are new to the line, don't try to identify the true and false ones, or buy a certified jade through formal channels, which is the best way to avoid being deceived. Water-Repellent Parka Jacket,Waterproof Parka,Waterproof Parka Womens,Waterproof Parka Mens TUSCANY , https://www.tuscanyclothes.com
