Just when Zhang Nan was still shouting in his throat, the walkie-talkie hanging on Alyosha also rang: Lao Tang Na also found diopside. Pen, fun, and www.biquge.info

Good phenomenon, this is the rhythm of making a fortune!

Zhang Nan and the others didn't know: Xie Jianliang on the other side also heard the sound of the walkie-talkie, but Old Comrade Xie was not blushing at all! Just a few minutes ago, he had already discovered a large expanse of exposed granite mixed with green crystals.

But he and his temporary partner, Karimi, were holding their breath, and they were chiseling stone samples with a large crow's beak hoe.

It was very hard! Comrade Karimi took a lot of effort to smash off a large piece, about seven or eight pounds.

Xie Jianliang picked up the stone and looked at it carefully, "Well, it's kimberlite." ”

Karimi on the side heard this, took out the pen in his pocket, and wrote down the location markers on the topographic map of the island.

"Let's go, let's go back, we can't let the old soup be predominant. ”

Xie Jianliang's temper doesn't like to be publicized, and he belongs to the honest and hard-working old scalper type: You guys are shouting nonsense over there, let's not talk much, rely on practical actions to speak.

Stuffing the stones into his canvas bag, Karimi on one side strapped a large pickaxe and headed to the camp.

However, Karimi had a question in his heart and had to ask: "Xie Gong, we have all come here for almost a kilometer, and the distance between us and Tanggong is at least 1.5 kilometers, this mine is so big?"

This is a primary mine, not a secondary mine washed by a river, and such a scope is incredible!

Xie Gong, Xie Engineer, Chinese people generally call educated engineers so, cordial.

Xie Jianliang and Tang Jichao both have the title of engineer, and the one in the army will be evaluated, plus that Xiang Zhangsheng, in the eighties, these three are still quite respected by the general public.

Xie Jianliang said as he walked, "The average diamond mine is only a few hundred meters in diameter, and the most famous Yimeng diamond mine in our Dongshan has a diameter of more than 400 meters, which is more common.

I've heard of a diamond mine in the Soviet Union that could be more than 1 kilometre in diameter, but that is very rare, and the current situation suggests that there is probably more than one kimberlite pipe here. ”

The Soviet Union's "peace" diamond pit is more than 1.2 kilometers in diameter, but as a former engineer in the army, Xie Jianliang can only "hear" about it: this peace mine is still a high secret of the Soviet Union, and foreigners can only learn about the existence of the super pit through some publicly available and satellite-photographed materials in the Western world.

"A good thing?"

"Of course it's a good thing! It's not uncommon to have a single pipe, if there can be two pipes, it means that there may be a whole batch of pipes in the vicinity, and many kimberlites are piled up, and the kimberley mine in South Africa is a group of more than ten pipes, and they have been mined in batches for hundreds of years. ”

As he spoke, he pointed to the canvas bag he was carrying: "The associated ore on this ore is olivine, and what Xiang Gongna found is green diopside, which is very likely to be two rock pipes."

However, it may also be one, and the two associated minerals sometimes occur together, which will not become clear until drilling.

However, the boss definitely made money this time, this kimberlite is a kind of alkaline, porphyritic structure, breccia structure mica peridotite, of which the kimberlite with porphyritic structure, rich in granular coarse olivine contains diamond, and the microporphyry structure, phlogopite-rich kimberlite contains diamond poor.

The ore here is a standard porphyry structure, rich in grained coarse olivine, and there is definitely diamond, so I don't know how much color will be gem-quality. ”

Karimi is also studious, this will be a cameo miner, and asked: "Xie Gong, how to detect?"

"We brought a crusher and specific gravity, as long as we made a few tens of kilograms, we would know the result soon after crushing, and it would not take two days. ”

......

Here, Xie Jianliang and Karimi walked towards the camp while chatting, and Tang Jichao on the other side was also moving closer to the camp.

Engaged in geology, the joy of discovering high-value minerals is beyond words!

On Zhang Nan's side, Chen Hao had already run over with explosives with the two pilots who were watching the excitement.

"Boss, how do you get it?"

Zhang Nan pointed to the rocky surface of the ground and said, "Blow up a few hundred kilograms for me." ”

When Xiang Zhangsheng next to him heard this, he hurriedly said: "Don't worry, boss, a sample of more than ten or twenty kilograms is enough, and it doesn't make much sense to have more, just find a few more." ”

The kimberlite on the ground has been eroded by the natural environment, and there are some cracks, which can actually be knocked down with a head, but it is obviously easier to use explosives.

Before I came, I said that it was no problem to use 1,000 kilograms of big guys, but in fact, I also brought 50 kilograms of ammonium nitrate explosives: when I heard the engineer's request, it was enough to use only a few taels of explosives.

Chen Hao and Alyosha discussed, they didn't even use a pickaxe, and planned to just use their heads to dig a hole along the rock crevices on the ground.

The big man began to work, and at this time, Xie Jianliang and Tang Jichao both took back the ore specimens back and forth: Tang Jichao also had a small diopside in his hand, and Zhang Nan was more interested in the seven or eight pounds of kimberlite in Xie Jianliang's hand.

Holding a magnifying glass, he said, "Hey, I said Lao Xie, there are no diamonds on it." ”

I watched some documentaries before I was born: someone buys kimberlite rock online by mail, and then smashes it into their own home to search for diamonds - anyone who sells the stone makes a lot of money, which is probably an alternative kind of gambling stone.

There are also people who smash open the stone and find diamonds, but they are usually very small.

Xie Jianliang smiled and said, "Boss, if there is a gem-quality rough diamond in a ton of kimberlite, which adds up to two or three carats, this is an absolute bonanza." ”

Meaning: Boss, this is a diamond mine, not a cabbage in the field!

"Why don't we smash it open?"

Xie Jianliang nodded.

But before I used a big hammer and a chisel on this side, I heard Xiang Zhangsheng and Chen Hao talking about blasting.

Gotta listen!

Why?

The camp is just a few dozen meters away, and this explosion is afraid of debris splashing.

However, Xiang Zhangsheng obviously didn't figure out Chen Hao's professionalism before.

"Don't worry, Xiang Gong, I'll blow the stone loose and make sure it doesn't hit us on the head. ”

Qiu Bo assured there, Zhang Nan said loudly: "Zhang Sheng, just get out of the way, Qiu Bo is an expert." ”

Okay, let's go back to the camp with the rocks, and inform Guan Xingquan and Paul, who are still checking the environment in the west, that there will be a small explosion on the side, so don't be surprised when the time comes.

A group of people hid behind the tent - two layers of thick canvas blocked it, and it should be safe enough.

Before they could smash the ore with a hammer, after a while, Jobo and Alyosha came back with a wire.

Electrical initiation, insurance.

Connect the detonator, signal left and right, turn on the insurance, and Chen Hao pressed the detonation button.

"Boom", very dull, not particularly loud, and there is no sharp whistling sound after the gravel is blown away.

Seconds later, a group of people swarmed to the blasting point.

Xiang Zhangsheng was the first to say to Chen Hao: "The technology is first-class!"

Rock within a meter in diameter was blasted, cracks scattered like spider webs - a small pickaxe with one hand could pry the ore up piece by piece.

Zhang Nan knocked on a piece, and there were many cracks on it. There were no diamonds on the surface, and they were hewn into three pieces with a pickaxe: one of them had a sparkling grain about the same as a soybean embedded in its surface.

"Diamonds!"

Nicole was the first to shout, and several engineers here came over to take a look, and immediately affirmed: "It's a diamond, it should have a look of almost two carats!"

Zhang Nan held the ore in his hand, and the small diamond in front of him was not round, but two-thirds of it was exposed from the ore, and its translucent appearance was a bit like a diamond-shaped cube.

It's like a little rock candy.

With a tenfold magnifying glass, you can see that the inside is very transparent, anyway, except for those stripes on the surface, as long as you enter a few tenths of a millimeter inside, it is the flawless texture of diamonds!

Everyone looked around, and finally returned to Zhang Nan's hands, and asked Xiang Zhangsheng: "Look at it, what level can this one reach?"

After taking the ore and using a magnifying glass, it seemed that it was about half a minute, and Xiang Zhangsheng said: "At least the clarity above VVS1, the color is excellent and white, we call it No. 98, and the West should be called F-grade, which is the third grade, a very good high-grade gem-quality rough diamond." ”

The diamond color grade is in the third gear, which is already very good!

D is completely colorless, the highest color grade of a diamond, extremely rare, and E is colorless, and only gem experts can detect trace amounts of color, and it is also a very rare diamond.

Attention, it is rare, not uncommon!

This rough diamond is an F grade, and a small amount of color can only be detected by jewelry experts, but it is still considered colorless, and it is definitely a high-quality diamond.

G and H grades below F are close to colorless, and they will only notice a slight color when compared with diamonds of higher color grades, but if they are not compared, the average person will not feel it at all - diamonds of this color grade still have a high value.

The lower I and J grades are still "near colorless" and can detect slight colors, but they are still of high value.

As for the K to M grades, the color is darker and the fire is poor, and the value is not very high.

Generally speaking, before J, that is, D, E, F, G, H, I, J grade diamonds are good, and people will not feel that they have color at all without careful comparison, especially a single inlaid jewelry.

Although the value of K, L, and M diamonds is relatively not very high, some jewelers deliberately use colored karat gold to set this type of yellowed diamonds, and as a result, "low-grade goods" still sell for high prices.

As for the color level, many people will have this question: "If the color continues to go down, won't it become a yellow diamond, but the value will be higher?"

No!

The yellowish color of a colorless diamond should be understood as "dark yellow/brownish", which is not the same concept as the vivid yellow of a yellow diamond.

The three experts agreed: "Very good diamond!"

Well, this diamond is very good, that ......

Everyone suddenly reacted, there are still a lot of broken stones!

Dig it!