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necklace sets suppliers True and false cat eyes

게시 ~에 의해 Kingjy

Many people know that cat’s eye is a precious gem, 사실은, it is the fifth most precious gem. But most people’s understanding of cat eyes is incomplete or even wrong.

I have never seen an opal, I should have seen a cat. The opal is named because its surface has a bright band that moves with the light source, just like the eyes of a cat. The real meaning of cat’s eye refers to such a special optical effect.

The principle of the cat’s eye effect is similar to the starlight effect of rubies mentioned above. If the gem contains a group of densely arranged needles, when cut properly, light reflection can produce a cat’s eye effect, regardless of the type of gem. Knowing this, the cat’s eye is no longer mysterious. Any gemstone can have this effect as long as it has a qualified inclusion and a suitable cut. 그러므로, there are more than forty kinds of gems such as tourmalines, 남옥, and crystals that can have cat-eye effects. They can be in various colors, not just black and white. Even glass can artificially create this effect, and you can make it into any color you want.

Is any gem with a cat’s eye effect a cat’s eye? wrong! Among the forty kinds of gems that can have cat’s eye effect, only one can be directly called cat’s eye, 그게, golden emerald cat’s eye. It should be noted that this is not to say that the other ones are “fake cat’s eyes”, they are all natural gemstones, which naturally form the cat’s eye effect, but you can’t directly call the cat’s eye when you call it, but you must add a specific one before the cat’s eye The names of gems, such as tourmaline cat’s eye, moonstone cat’s eye, 등.

Cat’s eye is undoubtedly the most precious of all gems that can have a cat’s eye effect. Cat eyes are usually yellow-green and honey-yellow. Honey-yellow is best. The eyeliner is clear, bright and flexible. A few years ago, CCTV’s “Jianbao” program identified a 44-carat top cat’s eye, which was estimated by experts at more than 2.4 million yuan. The price may have made you speechless, but nowadays, this is much more than this price. At the 2011 Hong Kong Spring International Jewelry Fair, high-quality honey yellow cat eyes with a size of 3 carats were quoted at about US$800 per carat, and those with a size of 5 carats were not less than US$2000. In this way, the top cat’s eye of 44 carats is simply astronomical.

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