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rhodium jewelry suppliers Main features of natural colored gemstones

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3) Transparency and purity: Transparency refers to the degree to which colored gemstones can transmit light, and purity refers to the amount of impurities inside the gemstone. Although colored gemstones cannot be clear and transparent, higher transparency will improve their overall quality. The transparency and purity of colorless gemstones are important factors for the beauty of gemstones. Ví dụ, crystals are clear and transparent so that light can fully penetrate, and they are crystal clear, making them a favorite gemstone. Tương tự, transparency is also very important for jade. Ví dụ, jade has high transparency (good “head”), which is an important condition for high-end jade. But for some gems, transparency and purity are not the main basis for measuring quality. Ví dụ, for some gems with special optical effects (such as starlight effect, cat’s eye effect, placer gold effect, vân vân.), the relevant inclusions are required to be more abundant. Purity and transparency will be reduced, so that its special optical effect can be more obvious.

4) Special optical effects: Some gemstones are very common in color and transparency, but they have special optical effects, such as starlight effect, cat’s eye effect, color change effect, vân vân., and are favored by the majority of fans: Cái này, these special The optical effect of the jewels adds a bit of mystery and beauty to the gems, which makes them more valuable. The dark-brown sapphires in Shandong, my country, were first discarded as waste stones, but they were later regarded as gems because they were cut into curved gems to show a very beautiful starlight effect.

(2) Độ bền

It is very difficult for colorful gemstones to last for a long time in the process of wearing and storing. This requires gems to have a certain degree of hardness and toughness, as well as certain chemical stability and corrosion resistance.

 

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