Hetian seed jade is the most precious jade species in white jade, not only because of its scarcity, but also because seed jade has its own unique quality, and its value evaluation is a comprehensive set of indicators, the most important of which are four aspects: Oiliness, fineness, whiteness, thickness and skin color.
The oiliness is the most important trait between Hetian seed jade and other jade species. It is also the most attractive quality of Hetian seed jade. This oiliness is difficult to explain with the chemical composition of the seed material (because the ingredients of other jade species are also The tremolite is the main component, so the identification result of the "seed material" cannot be seen from the certificate of the inspection organization. The charm of seed jade is derived from this state of inconsistency.
The fineness depends on the degree of jade when the seed material is formed. The fineness of the jade is good, the jade is not good, the particles will be thick, and the obvious structure can be seen under the naked eye or under the lamp, and even white spots can be seen. It is more intuitive to use the examples in life to explain: when using boiled water to make up the powder, it is easy to produce small white peony, which is the part that does not have "yellow". In addition, the fineness of seed jade is innate and cannot be improved by playing. Some merchants often use this to cover up the lack of structural looseness. This is just an unscientific rhetoric. Imagine that the formation of jade structure in hundreds of millions of years can be changed in years and decades.
The whiteness is better understood. The whiteness of the seed jade is not pure white, it is white with oily feel, and the white has a light green or light pink color. The so-called suet jade refers to the whiteness and fineness like the just-condensed sheep oil. And the white of the seed jade is not absolute, not the whitest, only whiter, because always find a whiter seed jade. Therefore, it is not rigorous to describe the whiteness with "a few levels of white" because each person's visual perception of whiteness is different.
The thickness of the enamel is the most humane characteristic of the seed jade. With oil moisture, fineness and whitening seed jade, it will visually give people a warm, introverted and deep visual experience. Because of this trait, Confucian culture only associates the quality of jade with the virtues of gentlemen, and also makes jade a profound spiritual connotation. Therefore, the thickness of the dragonfly is the soul and charm of the seed jade.
Skin color is the most intuitive feature. This thin skin color is formed by the intrusion of metal ions into the surface of the seed jade. The color of the skin is mainly red, yellow and brown, and the red color is expensive. The fineness and oiliness of the skin can make the skin color more active, which is a bonus point. The pattern formed by the leather is another point of appreciation for the natural beauty of the seed jade.
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