We all know that the value of jade has always been so expensive. In order to make huge profits, some merchants will use B-grade and C-grade jade to pass off as A-grade jade. Do you know what A-grade jade means? What methods can be used to identify whether jade is A-grade? Let’s take a look at the differences between A-grade, B-grade and C-grade jadeite. What does A-grade jadeite mean? 1. What does A-grade jade mean: A-grade jade refers to pure natural jade, which has been carved and polished but not processed by any chemical means, such as dyeing or glue injection, etc. Its composition, structure, color and transparency remain in their natural state, only the shape and size of the jade are artificially changed. In addition to understanding what A-grade jadeite means, we can also understand what B-grade and C-grade jadeite mean. 2. What does B-grade jade mean: It means that the original jade is real, but it is relatively low-grade. It needs to be processed to become high-grade goods. The processing is that the jade is soaked in strong acid. The excess impurities are soaked away, but the original color is retained. Later, in order to make the jade look fuller, silicone is filled into it. This kind of jade is very beautiful at first glance, but the structure of the processed jade has been destroyed, and the original toughness of the jade is lost. Later, the silicone is oxidized, and the shortcomings of being soft and full of gaps will gradually be exposed. Generally, B-grade jade is more beautiful and the price is lower. Some consumers don't know this and think they have picked up a great bargain. 3. What does C-grade jade mean: It means that the jade quality of jade is real, but the color is added artificially. Jade is given a new color after chemical dyeing. No matter whether the jade has been bleached, injected with glue, etc., as long as it has undergone the dyeing process, it is called C goods. The ones filled with silicone and dyed on the market are called "Jade B goods + C goods". One of the most common methods of dyeing jade is to heat the jade to increase the gaps between the particles inside, and then soak the jade in a dye so that it is gradually dyed. Many people think that A, B, and C grade jade are classifications of jade texture, but in fact they just emphasize the naturalness of jade. For example, among A grade jade, a natural jade bean-type bracelet worth a few hundred yuan and a natural jade glass-type bracelet worth tens of thousands of yuan are both A grade jade. A-grade jade is not always the best jade, but because it has not been processed by any chemical means, its internal structure has not changed, so it will be more durable. Moreover, good A-grade jade will become more beautiful the more you wear it, and its collection value will increase. fcgc66 fcpf18 |
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