How to identify BC jadeite?
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Basic identification of jadeite (the refractive index of jadeite is 1.66) 1. B-grade jade refers to filled jade. Under magnification, the surface of the jade will appear to be orange peel-like, uneven, and with cracks left over from acid washing. The base color is clean, without the gray-yellow tint that is common in natural jade. If the filling material is resin glue, it will have a strong blue-white fluorescence under ultraviolet fluorescent light. 2. C grade jadeite refers to dyed jadeite, which can be observed through a magnifying glass. You can see that the color is distributed in a silk screen pattern, and dye accumulation can be seen in larger cracks. 3. Film-treated jade is a jade that is coated with a layer of green film on the surface to imitate high-grade jade. The color can be observed with the naked eye. Film-treated jade usually has evenly distributed color and is full of color. It feels astringent and sticky when touched. fcgc66 fcpf18 |
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