Authoritative jewelry testing agency: Guangdong Jewelry, Jade and Precious Metals Testing Center (GTC) issued an authoritative certificate In the past, the B+C products on the market were generally dull green and looked fake, and some could be seen at a glance. However, the B goods, especially those with floating flowers, have transparent and natural colors. At first glance, they are particularly beautiful and look very real. I took a lot of photos of the bracelet here, as well as enlarged photos. In addition, we also took the A-grade products for comparison. From a distance, you can't see any clues: Looking closely, you can already see the acid-etched marks on the surface with your naked eyes: Zooming in again, the reticular acid etching marks (pits) are typical surface features of B-grade goods: Looking at the structure through light, it is relatively loose and not dense, and no jadeite texture can be seen! The jadeite texture is the characteristic of natural jade: the cleavage plane of jade mineral will flash at a certain angle, commonly known as fly wings. If you zoom in, it's even more obvious that the structure is completely loose. The same is true for bracelet 2, which is very cleverly done, and the dark blue flowers are still there, making it easy to think it is natural. This picture shows the reticular acid etching on the surface: Zooming in makes it obvious: The structure is very loose. After acid treatment, glue is injected, so the mineral structure of the jade cannot be seen, and it looks fuzzy and sticky. Zoom in, more clearly: Next, here is a photo of A-grade jadeite. This is a new pit-type jadeite with a relatively obvious structure. The texture is relatively coarse, the mineral crystals are flaky and large, and the mineral structure is clearly visible to the naked eye. But, quite a dense feel. Looking at it under a magnified image, it is still dense. Although it is cheap jade, there are not so many small pits on the surface. When viewed through light, it looks very solid. The structure is obvious. Emerald green: The structure is not loose: Finally, let’s compare the better quality A-grade ice jadeite. The type that B-goods try hard to imitate——light translucent, can you see the structure? Even though it looks very transparent and delicate to the naked eye, you can still see the structure and the glitter of emerald green by magnifying it: Moreover, good jadeite, which costs thousands or even tens of thousands of dollars, will have a very flat and smooth surface, and will not have any bumps or pits: Even if you zoom in, it's very smooth. At present, the level of jade counterfeiting is getting higher and higher. Unless you have profound skills, it is difficult to see the trick. I would like to remind all jade friends that if you suspect that the jade is fake, it is best to send it to an authoritative jade testing agency for testing. It is so easy to identify B-grade jadeite. Have you learned it? Of course, choose a reliable third-party platform to ensure that you don’t have to worry about not being able to identify the A-grade products yourself. fcgc66 fcpf18 |
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