First of all, you need to know how to use the light from your hand to observe jadeite. Jadeite can be easily disturbed and misled when observed under colored light. It should be observed under natural light, white fluorescent light and professional flashlight. We can tell by looking at the gloss: Grade A jadeite has a glassy luster and is clear and moist. B-grade jade has a lower luster than A-grade jade. It has a waxy luster and is darker. When looking at the gloss, you can shake the jadeite back and forth and left and right, and you can feel the strength and uniformity of the jadeite's reflection through the reflection of light. Are there fly wings? A magnifying glass is needed. Determine whether the jade is genuine by looking at its structure. First, check whether the jade has fly wings. Fly wings are a feature that appears on real jade. When experts identify jadeite, they will check whether there are fly wings on the jadeite. Some Xiuyan jade, quartzite jade and Qinghai jade that are often used to imitate jadeite can be identified because they do not have fly wings. The surface or interior of jade is an aggregate of jadeite minerals. Each jadeite mineral is like a small matchbox with six sides. Each surface is like a small mirror. A mirror can reflect light, so light can shine on the surface of jadeite minerals. fcgc66 fcpf18 |
>>: Scientific jade identification, it is particularly important to understand these points
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