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The 6 elements that affect the quality grade of jade jewelry are as follows:
[species] refers to the texture. The evaluation was made based on the degree of the thickness of the particles.
[Water] refers to transparency. Extent to which the light was evaluated by the standard.
[Color] refers to the color. The color tone, the degree of purity, the degree of uniformity, the degree of shading, and the color are evaluated.
[Work] refers to the process. Su body jade jewelry mainly in the following five factors: contour, symmetry, proportion, size, polishing; carved jade mainly to the following factors: whether the proper handling of defects, whether to make the best material, style level design, line, surface sculpture level, the fineness of the polishing was evaluated as a standard.
[ç‘•] refers to clarity. The color, shape, size, number, and position of the contained enamel were evaluated.
[Comprehensive impression] refers to the total effect of other elements after removing the above five elements, and is evaluated based on cultural attributes and market attributes.
The above six elements all relate to the specific performance of specific jade jewelry in terms of beautiful characteristics (gloss), durability (hardness, toughness), scarcity and acceptability. The "comprehensive effect" of these elements constitutes the quality level of the jadeite.
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