Is jade not natural if it has no cotton? The cotton in jade has actually become a factor that increases the value of jade!
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Even though collection-grade glass-type jade is extremely transparent, in fact, if you observe its interior through a magnifying glass, you will still see cotton. Some merchants will say that good jade will not have cotton, but the fact is, cotton is a unique structure of jade. Sometimes, jade that is too pure may not be natural jade, but artificially treated jade. The cotton in jade is a part of jade. Generally speaking, there will be cotton inside jade. The white cotton in ice jade and glass jade is clearly visible. The cotton in jade is composed of some translucent or slightly transparent white minerals. One theory is that the cotton in jade is mostly caused by the reflection of light by the gaps between the grains, cracks and impurity inclusions of the jadeite minerals in jade, which is also called the "intergranular optical effect." Another theory is that the mineral particles that make up asbestos are coarser than other surrounding mineral crystal particles, and the mineral particles that make up asbestos are not densely bonded together, which causes the asbestos in jade to be opaque. The influence of cotton on the quality of jadeite The cotton in jade will affect the water head of jade. The more obvious the cotton is, the more it will affect people's evaluation of the water head of jade. The cotton in jade is some impurities or some tiny cracks. Therefore, jade with more or more concentrated cotton will affect the transparency of jade and reduce its overall beauty. On the contrary, the quality of jade also has a certain influence on cotton. Under natural light, the cotton in jadeite with good water quality and high transparency, such as glass-type jadeite, is particularly obvious. This kind of cotton is also called "snowflake cotton" and has a beautiful artistic conception. However, no cotton is generally visible in glutinous and bean-type jadeite. The Effect of Cotton on Jade Color The presence of cotton has some impact on the color of jade. Cotton will affect the penetration and diffusion of jade color. First of all, if the cotton in jade is dense, it will cover the color of jade and make the color of jade unable to penetrate. The more cotton there is, the lower the light transmittance of the jade. Secondly, cotton will affect the mapping of jade color inside the flesh, that is, it will affect the diffusion of jade color or color roots inside. However, if it is jade with good water content, even if there are cottons, the color can still be diffused. In summary, cotton is an important sign that jade is natural and not optimized. Some people may say that some jades really have no cotton! In fact, it’s not that there is no cotton, but that people can’t see it or don’t know how to see it. Therefore, when we buy jade, we must look at the existence of cotton rationally, use a dialectical perspective, and analyze specific problems specifically. Some cotton will indeed affect the value of jadeite, but some cotton can actually serve as the finishing touch. fcgc66 fcpf18 |
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