Talk about the identification of natural crystal necklace

Talk about the identification of natural crystal necklace

Among the many crystal ornaments, bracelets and necklaces are the two most common, and they are the most worn and most popular. Especially in summer, a refreshing crystal necklace can always make people feel a little cold in the summer. Here we take a crystal necklace as an example, to talk about the identification of natural crystal necklace:

First of all, from the intuitive point of view, really natural crystal necklace is bright and shiny, soft luster, contact with the skin, giving a cool feeling. Even during the hot summer days, there is a cold and cool feeling on the surface of natural crystal ornaments. Fake crystal ornaments, fake cold feeling lighter.

Second, from the optical point of view. According to the analysis, the real natural crystal necklace is an axis of positive optical rotation. It is placed in the sun and can give off colorful brilliance. No matter from which point of view, it can radiate a beautiful brilliance, and false can not.

Third, from a physical and chemical point of view, the real crystal necklace, its hardness, specific gravity, refractive index and false crystal necklaces are quite different. Really heavy, false lighter, true crystal necklace hardness of 7.00, refractive index of 1.54; and false hardness of only 5.2 to 6.10, refractive index of less than 1.00. The hardness of natural crystals is large. Grab the stone gently on the jewelry and leave no trace. If there is a streaking mark, it is a fake crystal jewelry.

Fourth, from the point of view of purity, in the formation process of natural crystals, it is often influenced by the environment and always contains some impurities, some have different degrees of defects and color inconsistencies, etc., when viewed from the sun, you can see a faint evenness. Tiny stripes or catkins. The fake crystals are mostly made of slag and glass smelting, and they have been polished and coloured to imitation. There are no uniform stripes or catkins.

Fifth, the real natural crystal necklace, like a thin layer of oil on the surface, is blue. Fake no, as white as glass.

How to distinguish the authenticity of natural crystal?

There are many factors that affect the crystal price level. There are many factors affecting the crystal price level. Unlike diamonds, which can be judged by 4C, it is recommended that you still have to listen more and see more and more comparisons before you can truly judge. The standard on the general market is the greater the number of crystal stones. Well, the more transparent the better, the more delicate the better the color, the more typical the shape the better (such as the hexagonal column crystal or crystal hole ore, there are also special, for example, the powder ore is absolutely not a hexagonal column, the so-called powder on the market The hexagonal columns are all artificially milled, but their love is the most important.

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