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china silver necklace manufacturers The correct way to buy Kongsai stone

Опубликовано в от Король

Spodumene gemstones in the jewellery market are the only gemstones that appear more frequently. Its refractive index is 1.655-1.680, birefringence difference is 0.015, dispersion ratio is 0.015, specific gravity is 3.15-3.20, and hardness is 6.5-7, but because it has a group The cleavage is quite complete, and it is easy to crack due to collision, so the toughness is very poor. Be very careful when mounting and wearing. Кроме того, like other spodumene, the color of konsai stone is not stable, and sunlight exposure may sometimes cause it to fade, so be careful.

The crystals of konsai stones are usually large, but they are not easy to cut due to their low toughness. They are often cut with thick faceted gemstones. Thicker cuts are used to make the color of konsai stones stronger.

Concealites with saturated and strong colors are quite rare. Most of them are pink or pink-purple, so they are similar in appearance to other pink gems. The most important difference is to measure the refractive index and specific gravity to make the exact difference. The characteristics of these pink gemstones still have a slight difference in the hue of these pink gemstones. Usually morganite has a reddish hue, while pink topaz is a purer pink without a purple hue. В отличие, konsai stone This is a simple and quick way to distinguish, but consumers are still reminded to still use expert appraisal to avoid buying the wrong gemstone when purchasing.

The color is the priority in the selection of the Confucian stone. The thicker the color, the better the grade; the cutting is also very important, because the Confucian stone will be cut thicker, and the quality of the cut will affect the beauty and value of the entire gem.

 

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