Topaz and yellow mouth materials are two concepts that are often confusing in the collecting world. Many bad merchants often use this to sell yellow mouth material as topaz. The value between the two is very different, so the following is a small series. For friends to tell us how to distinguish between topaz and yellow mouth , let us look down!
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topaz
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Yellow mouth
The definition of the yellow mouth material in the circle is that a kind of Hetian jade stone with the characteristics of yellow-green tone is called, and it is worth noting that the yellow mouth material is a characteristic name, like "blue flower material" and "powder green". The material is the same as the nature of the material. It is not a variety of Hetian jade, but topaz is different. It is a variety name of Hetian jade, which is the same variety as Baiyu and Sapphire.
The reason why the two are easy to confuse is because in the yellow mouth material, the part with better quality and lighter green is called topaz. It can be said that yellow mouth material is an important source of topaz. However, the yellow mouth material is not topaz. It can only be said that the part of the yellow mouth material with superior jade quality and light green is topaz. For example, "Yellow Sapphire of Yellow Mouth" and "Green and White Jade of Huangkou" in Huangkou are not topaz. Therefore, when purchasing, you must pay attention to the subtle differences between the two.
Specifically, the difference between yellow mouth material and topaz is: yellow color is yellow with greenish green color, while topaz is oil yellow, there are few other colors, even if it is very light; yellow mouth material has high hardness, but toughness Not strong, and topaz is extremely tough; there is also the fineness and oiliness of topaz than the yellow mouth; when observing jade, you can also find the jade made of yellow mouth, because its toughness is not enough, it is often easy Found a breach.
Of course, the yellow quality of the poor quality is not worthless. Although its quality is not as good as that of topaz, it is also very valuable in the era when jade resources are becoming scarcer.
Through the above small series, I briefly introduce how to distinguish the knowledge of topaz and yellow mouth material, I believe friends must know something. Finally, Xiaobian hopes to help the friends who are buying topaz!
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