Will the "sugar" color in Hetian jade fade or fade?
What is Hetian sugar white jade?
Hetian jade white jade is formed near the outer belt of Baiyu, which is mainly a product of weathering. The color of the large chunks of Hetian Yushan from the inside to the periphery is a transitional gradient that gradually deepens and can be transitioned from light yellow to brownish red on the outer layer.
The sugar color of the sugar white jade is ochre. False twilight is hard to penetrate. Twilight is often infiltrated from the cracks of jade from deep to shallow. The original crack can not be seen in the processed object, and the depth transition of the color can be observed. The fake sugar jade, the color mainly floats on the surface of the jade body.
The flashlight is observed from different angles to see if there is a good color in the interior. It is the main method to determine the true and false color.
In addition to identify sugar white jade, but also know how to identify whether it is true jade, and jade quality is good or bad. Good jade is mainly warm (soft), with or without cracks (sugar white jade is mostly mountain material), pay attention to observe internal cracks, oiliness and so on.
Production area of ​​sugar jade
The origin of sugar jade is roughly divided into Yecheng County, Xinjiang, and Ruoqiang County, Hefei County, and Hetian Yutian. Therefore, these sugar jade are called Hetian Sugar Jade, Russia also has sugar jade, Russian black leather and white. Leather is also a kind of sugar jade! Of course, there is a phenomenon of sugar in the mountains and there is also a phenomenon of sugar in the seeds of Hetian.
The output of Hetian jade jade is small, the thickness of the sugar color is smaller than that of the Russian sugar color, but there is also a wide sugar layer of Xinjiang mountain material. The sugar white part of Xinjiang sugar is clearly defined, and the sugar white color is clear and clean. There is no gradation transition of color, the color is completely separated, the material is fine and oily, and the sugar color is deep and saturated.
There is a clear difference between the sugar color and the color of the seed material. I personally think that the color of the mountain material is a dip-dyeing process from skin to meat. The sugar color of the seed material is formed in his mother mine, the period of mountain material! The sugary mountain material is washed into the water for some reason~ the jade with the sugar part.
Therefore, it is easy to form a variety of skin colors! That is to say, the mountain material first undergoes a skin color change and then sticks into the inside of the meat and adheres to the surface. The seed with sugar jade is the first sugar back skin!
Will the sugar color fade or fade? The "sugar color" of Hetian Yuzhong, as the name suggests, is that the color like brown sugar can be faded or faded.
The "sugar" color is actually made up of the iron of Hetian jade. Fe3O4 gradually becomes Fe2O3, and further changes to HFeO2·nH2O (limonite) when it is in contact with water, and generally contains impurities such as Si, Al, Ca, Cu, Mn, Ni, Co, and P. If the water is in a dry place for a long time, the moisture of HFeO2·nH2O will gradually become lighter and divergent. If the person is iron, some of the iron will be absorbed by the body, and the red will fade. If a certain kind of cosmetics is used for a long time, the reaction with iron in the cosmetics will also reduce the iron and make the red lighter. The reasons are diverse.
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