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How to judge the authenticity of tortoise shell bracelets?

Hawksbill is actually a turtle in the deep sea. Because of its distinctive patterns, people make turtle shells into some ornaments to wear. However, because the number of hawksbill is becoming less and less, it has been listed as a second-class protected animal by the state, and the hunting and killing has been expressly prohibited. Therefore, there are some tortoise shell products that can be confused with the real into the market. So, how to judge the authenticity of tortoise shell bracelets? Let's have a look!

decorative pattern. Put the tortoise shell bracelet under the irradiation of flashlight or other strong light. The pattern of the tortoise shell bracelet is really beautiful and transparent. The pattern of hawksbill is golden yellow, which is covered with brown, black and yellow spots, mixed with blood like patterns penetrating into the nail. Spots of different colors gather together and stack up to form large irregular shapes. Imitation tortoise shell bracelets often do not penetrate into the inside of the shell, but stay on the surface in a mass, and the stripes are not natural and random like the real ones.

Smell. Hawksbill bracelet is actually a bracelet made of a kind of turtle shell. The main components of this kind of turtle shell are colloid and keratin, and the main components of hair are keratin, so take a little hawksbill debris and burn it with fire. Its smell is similar to the smell of burning hair. Hawksbill imitations cannot make this taste.

Weight. The density of genuine hawksbill is 1.29g/cm?, It is more dense than the reduced imitation, and it can be easily distinguished by weighing it by hand.

section. Put the hawksbill in warm water. After a period of time, the hawksbill will become soft. At this time, cut a piece with a knife and put it under a magnifying glass or microscope. You can see the clear striped structure and small reddish brown chromospheric particles. The imitation can't do such an effect.

Polishing. The polished tortoise shell is bright and full of aura. The imitation can't do such an effect.

Shape. The bracelet made of tortoise shell is made of tortoise shell. Its outer side is arc, while its inner side is flat and uneven in thickness. The bracelet made of tortoise shell can be enlarged and reduced, and can also be made into a cross shape.

be heated. After being heated, the imitation hawksbill will become darker and bubbles will appear inside. The situation of genuine hawksbill is the opposite.

Avoid water. Hawksbill can avoid water. Put the hawksbill into the water and take it out. The water around the hawksbill is scattered around. Therefore, people often use hawksbill to avoid wind evil.