Ms. Qiu bought a jade bracelet at a jewelry store in the city three years ago. The price was less than 5,000 yuan. After a few years of wearing, Ms. Yu found that the bracelet was getting greener and the head was getting better and better. When she traveled to Yunnan last month, some people even bid for 18,000 yuan to buy. Although she did not cut love, Ms. Yan was very happy. However, she is also very happy, she also wants to know, the more green the jade bracelet is worn?
According to Mr. Zhang from the City Collectors Association, there are more and more people who love jade. Many consumers have worn it for a while, and they will find that jade jewelry has been worn for a long time, and the green color seems to be more and more. There is even a saying that if the body is not good, wearing jade will turn black; if the body is good, the jade will be worn more and more green, more and more bright. Mr. Zhang smiled and said: "This is a nonsense. If the jade is so magical, then what is the use of the instruments in the hospital? Everyone has come to wear Emerald."
According to Mr. Zhang, jade is a kind of jade, and the name of mineralogy is called sodium pyroxene. Pure sodium pyroxene is colorless, and if it contains chromium, it will appear green. Therefore, whether natural jadeite is green or not is related to the presence or absence of chromium in the interior of jadeite. The more chrome elements, the greener the color of the jade.
Jade jewelry is a product of natural jade stone, and its internal chromium content has been relatively fixed, so there should be no change. However, in some cases, the chromium element in the jade can produce a chemical reaction, resulting in a small amount of diffusion. It is possible that the original piece of green on the jewellery slowly spreads to a larger area. This is why people think that the green color of the jade jewelry is long. In fact, it is not that the jewelry becomes greener, but the green area is enlarged.
Mr. Zhang said that because the human body has a certain temperature, coupled with sweating when hot, the acid and alkaline components of the sweat will penetrate into the jadeite through the cracks of the jade jewelry. These components may chemically react with chromium ions or dissolve the chromium ions that have been consolidated in the jade to cause flow migration, so that the green color of the jade is long.
As for the reason why some jadeites have been black for a long time, most of them are because the emeralds purchased by the wearers are not natural goods, but b, c goods that have been "optimized". These products are generally immersed in strong acid, then filled with wax and artificially dyed. These colored materials injected into the jade will age for a long time, making the color of the jadeite turbid and look dull.
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