The price of pearls on the market is available from hundreds of yuan to tens of thousands of yuan.How to judge its value for beautiful pearls? The pearl jewelry you like, after a brief introduction by the seller, ...
How to identify the authenticity of pearls
The price of pearls on the market is available from hundreds of yuan to tens of thousands of yuan.How to judge its value for beautiful pearls? After a brief introduction of the pearl jewelry of your favorite, can you have a clear concept? In the face of the envy of friends, can you treat herTell out the beauty of your beloved baby.Let ’s take a look at how to identify the authenticity of pearls.
First, the pearls of different causes of gloss are different from the surface or internal pearl layer.As the saying goes, "Pearl Light Treasure" needs to be carefully taste -based. Pearl light is mainly reflected from the fine structure layer of the pearl, and the unique gloss produced by the diffraction of light.This is similar to observing the growth lines and internal contents inside the gemstone under the gem microscope of the dark field, which reflects that the thick beads of pearls are particularly clear in the weak light lighting.Plastic weakly reflects the light "thief light", and the craftsmanship with coatings has a certain deception. It is necessary to recognize it carefully.
2. Observing the surface flaws of pearl surface characteristics of pearls directly affect the beauty of pearls, but there are few pearls without flaws. Each pearl is different from the birthmark of other pearls.According to the basis, the surface defects on the pearl are manifested as flaws or ring bands. When there are foreign objects invading the pearl layer, a flaw point will be bulged on the surface.Sometimes you need to observe with a 10 -fold large mirror, and you always find some ring phenomena.
Third, touch the pseudo -beads with hands, and the real beads are cool, hanging on the neck.
Fourth, use teeth or two beads to grind as mentioned earlier, and the plastic beads slipped as soon as the grinding, and the pearls of pearls along the peak of the teeth will have sand.It is very good. This is because the crystals that constitute the pearl layer are orderly, as uneven as the roof, neatly arranged.of.
Fifth, when the fire is burned, the pseudo -beads appear on the fire, the burning surface appears black smoke, the surface bead layer falls off, the real bead burning surface does not see the black smoke color, and the surface layer is intact.
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