However, not every one has a high collection value. In order to simplify and simplify, the rare and expensive top four in the various types of opels are selected from the Opal family members for special introduction:
1. Black Opal Preclous Black Opal
Here, "black" refers to the color of the embryo body, not the color of the surface. The background color of the black opal is dark blue, dark green, gray black, and black. The high-quality black opal can make the shimmering rainbow light dazzling, and Australia's most famous black opal is the Mintakie and the Lightning Mountains. The price of the expensive black opal is 10 times that of the ordinary white opal, and the price per carat is higher than the diamond. Because of their scarcity, the high price is very stable.
2, Guibai Opal Preclous White Opal
The color of the white opal is very light, and it is generally necessary to use a back-sealed bag to increase the effect of color change. Good white opal is a kind of strong color change, so it is also the object of high price chase.
3, expensive jelly Opal Preclous Jelly Opal
Listening to the name will make you feel very cute. In fact, this is a variety with half of the black opal. Amber blue on the bottom of the transparent blue-gray, showing a beautiful blue-violet color. In fact, the price of expensive jelly opal is still quite high, but this kind of opal's color change is usually not very strong, if you can encounter strong color change, don't miss it.
4, Fire Opal Fire Opal
The color of the fire opal is from yellow to red, while the bright red is more expensive in the fire opal. However, the color change of the fire opal is not obvious, sometimes there will be light green fluorescence, the quality is more transparent, and has a glassy luster. Fire Opal is a popular species in the US market, and the appreciation of the fire opal in the Americas is even higher to an almost crazy level.
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