The magic of gems is sometimes beyond human imagination, some because of the magical colors, some because of the magical shape, and some because of the magical light. The golden green cat's eye gem is the magical product of nature is that magical light!
Its mining history can be traced back to thousands of years ago, and its footprints are all over the world's ancient civilizations. In different historical periods and different regional cultures, it is the dream of the pyramid people. From the ancient Egyptian pharaoh to the Russian Tsar Alexander II, from the Iranian royal family to the Empress Dowager Cixi of the Qing Dynasty, without exception, it is its loyal fans.
Opal, literally understood to be a gem with a cat's eye effect. Indeed, there are many gems in the gem world that produce this magical and wonderful cat-eye effect, but if it is called the opal directly, it is a specific gold emerald. Because the golden emerald with cat's eye effect is the most precious, it is also the most famous in the gem world, so it is simply referred to as "cat's eye". What kinds of opals are there?
The type of opal is not clearly different from other gems, and has different names depending on the type. The classification of the opal species is precisely divided into different grades according to the quality of the cat's eye. Of course, the quality of the cat's eye is considered in many ways. According to the quality of the cat's eye, it can be roughly divided into super cat eye, first cat eye, second cat eye, third cat eye and five other levels.
Premium opal. Of course, the highest quality among the opals is the extremely rare opal. This super-class opal has a superior eyeliner and has a rare blue light that goes beyond the first-class opal. Its number is very rare, and even some professionals in the industry rarely see it.
Level one opal. The eyeliner is white, the texture is uniform, and the color is light. Generally, the inner inclusion is not visible to the naked eye. Like the first-class opal, the color is more common, such as sunflower yellow to dark green, with a small amount of impurities, but no cracks. In natural light, the eyeliner of the first-class opal is concentrated, thin and sharp.
Second-level opal. The quality of the second-level opal is not so high compared to the quality of the first-class opal. Its eyeliner is not even clear under natural light, and it needs to be bright and bright to be clear and bright.
Third-level opal. In terms of eyeliner, the clarity of the third-level opal is similar to that of the second-order opal, but the third-level opal has more internal cracks and lower quality. Finally, other opals. More general, so those eyeliners that are not concentrated, uneven texture, and dark gray eyes are not rated, it becomes other cat eyes.
Take a look at the investment value of the opal, a 77-carat cat's eye stone, and take a flashlight to show you its cat's eye. Its cat's eye effect is the same as that of the star ruby. The starlight is the light that gives the heart-shaped luster. This 77-carat is actually hard to come by. It's hard to see such a large opal, usually brown. There is also honey yellow, and its cleanliness is simply transparent. So this rare gems are a good choice as an investment tool.
The investment value of opal is also shown in: the hardness of gold and green cat's eye is 8.5, second only to diamonds, red, sapphires and emeralds. It is one of the world's five rare precious stones. If gold and green cat's eye gemstones are lucky, they contain chromium. It has a color-changing effect, which is the “color-changing green cat's eye gemâ€. It not only has a charming cat-eye effect, but also presents different gem colors according to different light sources. Such gemstones are extremely rare, the price is very expensive, and the investment value is very good. .
In terms of the investment value of opal, among the world's top five treasures, the golden green opal is known for its scarcity, but because of its scarcity, it always has its own unique advantages in terms of price and appreciation. In fact, the supply of high-quality gold-green opal has become less and less. In the current auctions of major auction houses around the world, the giant golden-green cat's eye gemstones above 50 carats have rarely been seen.
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