Affectionate for a long time

On the black tray lay a "huge" round Tanzanian nude stone.It is like an elegant woman, standing quietly in the center of the velvet tray, proudly and naturally grabbing everyone's admiring gaze.

The warm light hit it, making it more charming and profound.

"Tanzanite must be familiar to everyone. This Tanzanite weighs 81.17 carats and has a perfect round cut. It can be made into a necklace or cut to make a complete set of accessories. The reserve price is 40. Cards add 5." Liu Weinan introduced the basic information of the bare stone, and as soon as he finished speaking, some people were already eager to try it.

"40."

"41 million..."

The bidding below was very fierce, but within 5 minutes, the price had already been fired to 50.

Xu Xinyuan was a little moved when she saw such a big tanzanite, she likes blue gemstones.The blue gem is the "stone of hope".

"Xiaotang, what do you think of this stone?" Xu Xinyuan asked before the bidding was over.

Shen Tang looked at the enlarged gem picture on the screen with a very serious expression.Tanzanite is an emerging gemstone recognized in the world.This gemstone was first discovered in 1967 in the Arusha region at the foot of the equatorial snow-capped mountains.

It is a gem-quality zoisite that appears mauve-purple, yellow-green, and blue in unheated form and a purplish indigo in heat-treated form.The similarity between zoisite and sapphire is the color of indigo. The difference is that the indigo color of zoisite is bright and uniform, and there are no color bands or growth lines.The pleochroism is obvious, and there are three color changes of purple, green and blue when viewed from different directions.A purple-red color can be seen in the direction.Low hardness, can be scored with a file.

Shen Tang looked at the huge tanzanite, and his brain immediately reflected these information.

I have to say that this Liu Weinan is really skilled. A layman will never be able to tell the authenticity of this tanzanite. Without instruments, even those who are not skilled in the art may find it difficult to distinguish.

But my brother once told him a trick, as long as there is light, gems that are not high-precision imitations will show their feet.

This tanzanite is obviously not a high-quality imitation whose value is comparable to that of real gemstones. Shen Tang holds Xu Xinyuan's hand, shakes his head slightly at her, his eyes are full of negation.

"Why?" Xu Xinyuan asked, she knew that the family who adopted Shen Tang was in the jewelry business, and Shen Tang must have learned something from being immersed in it since childhood.

"The refraction on velvet is too blurry, the refraction of pure tanzanite should be very clear." Shen Tang lowered his voice very low, almost touching Xu Xinyuan's ear.

He doesn't want to cause the consequences of smashing the market, anyway, it is charity, and buying fake ones is considered a good deed.

After hearing what he said, Xu Xinyuan opened her eyes wide to look for Refraction, but the velvet did not fall on the light.She blinked her eyes and asked her son like a thief, "Why didn't I see anything?"

"It should be because I didn't see it." Otherwise, his more than ten years of kung fu would not have been in vain.

Xu Xinyuan knew what he meant, she shut her mouth consciously, and the sadness of losing Shen Tang came to her heart again.

"58 once, Mrs. Zhu's 58. Is there anyone else to bid?" Liu Weinan asked. Some people hesitated but no one wanted to raise the price anymore. After all, 58 is already too high.

"Twice for 58, three times for 58, boom!"

The next series of three jewels were all finished products, a pink tourmaline sweater chain, a pair of ruby ​​earrings and a pair of purple crystal bracelets, all of which were sold at high prices.

The more Shen Tang looked at Liu Weinan, the more he felt that this man was really smart, and he became more and more looking forward to what kind of appearance the real thing would appear in the end.