The identification of natural jadeite requires comprehensive consideration of the following aspects: 1. Color: The color of natural jade is usually natural and uniform, not too bright or artificially colored. Jade comes in a wide variety of colors, including green, white, purple, yellow, etc., but it should be noted that the color of jade should not show obvious blending lines or color stratification. 2. Luster: The luster of natural jade is generally oily and soft, and is often referred to as "jade-like". The sheen should be even and textured, not appearing too shiny or dull. 3. Texture: The texture of natural jade is generally fine and uniform, sometimes showing special fine lines or reticular patterns. The texture should be clearly visible, not blurry or rough. 4. Ice type: The ice type of jade refers to its internal transparency and texture. The ice type of natural jade should be transparent or translucent, and the texture can present a uniform and clear structure. It should be noted that there is a special kind of ice in jade called "glass", which is a relatively rare ice type with high transparency and glass texture. 5. Density: Jade has a high density, which can be preliminarily judged by weighing. The density of natural jade should be between 2.9-3.3g/cm3. If the density is too low, it may have been processed or is a fake stone. 6. Collision sound: When you tap the jade with your fingers, natural jade will make a crisp sound, and the sound lasts for a long time. Treated jade may make dull or short sounds. 7. Special treatment: The treated jade may change its appearance and properties through firing, dyeing, grouting and other methods. These treatments may leave traces such as burn marks, noticeable color gradations, or obvious signs of grouting. The above is only a preliminary identification method. If you want to identify jade more accurately, it is best to consult a professional jade identification agency or jade expert. They usually use more complex and precise methods such as microscopic observation, spectral analysis, etc. to identify the authenticity of jade.
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