At present, the construction of the cottage has been carried out for more than half of the work, and the wall is now being built.

In order to have sufficient defensiveness, the wall also has to lay a foundation.

Of course, unlike the reinforced concrete used in modern times, the foundation is made of wooden piles.

In order for the cottage to accommodate two or three thousand people, the wall must be built long enough.

You also have to look for a suitable place, if the ground is too hard, and there are stones underground, it must be unsuitable, and the stakes can't be driven in.

I finally found a suitable place, and I had to draw a baseline, cut down trees, chisel stones, and dig foundations.

The birds and beasts in the surrounding mountains and forests have long been frightened away.

When the workers dug the foundation, they dug less than 50 centimeters before they dug out a layer of dirty soil.

It's probably not accurate to say that the dirt is not accurate, and the workers don't know anything anyway, so they keep digging down, and one by one they get dirty.

"Boom!"

At that moment, a worker swung his hoe vigorously, probably digging into a stone, making a crisp sound.

The workers brought iron picks and prepared to dig out the stones.

When an iron pickaxe went down, the stones of the land suddenly broke down, and the workers dug it out with a hoe, and a touch of gold flashed the workers.

The worker picked up the stone, carefully wiped the "black mud" on it, and then shouted with great excitement: "I have dug gold, I have dug gold." ”

As soon as the workers shouted, all the surrounding villagers gathered around.

"It's gold, it's gold." Some people agreed, and also thought it was gold.

"It's sent, we've sent, we've dug up gold."

There was a commotion in the crowd.

Hu Qiang walked over: "You don't work, what are you doing here?" ”

"Captain Hu, Liu Laohan, he has dug up gold, you see." Someone in the crowd said, and then took the "gold" from Liu Laohan's hand and handed it to Hu Qiang for inspection.

Hu Qiang has never really seen gold, but he has never eaten pork, and he has also seen pigs run, and the stone in front of him is indeed the same as the gold they said.

"You guys wait here, I'll show it to Immortal Master Chen." Hu Qiang said.

……

"Found gold?"

Hearing Hu Qiang's words, Chen Mo was stunned, and then the whole person became excited.

If gold is really found, it must be more than one piece or two, maybe it will be a gold mine, and then it will really make a fortune, and it will sell some illegal salt.

However, when Hu Qiang took out the "gold" and showed it to Chen Mo, Chen Mo saw at a glance that this was not gold.

As the owner of the battlefield, he also knows some knowledge of minerals, if he guessed correctly, the stone in front of him should be pyrite.

After Chen Mo took it, he took a closer look, and sure enough, it was Huang Tie.

Yellow iron is similar in color to gold, which is easy to deceive laymen, and its shape is more of a cube, such as the stone in front of you.

Secondly, pyrite is easy to oxidize and darken in the air, and it will change color as long as it is burned with fire, but gold will not.

"It's not gold, it's pyrite, it's just like gold, you can burn it with fire, it will change color."

Chen Mo felt that it was still necessary to explain, if the villagers misunderstood the discovery of gold, it would cause a commotion.

In order to prove it to Hu Qiang, Chen Mo directly broke the piece of yellow iron in his hand, and the section was yellowish-white with a metallic luster.

"Look." Chen Mo said.

Seeing that it was really not gold, Hu Qiang could not hide his disappointment.

"By the way, where did you find this thing, take me to see it."

"It's right where the cottage is built."

……

When Hu Qiang and Chen Mo came to the mountain.

The place where the yellow iron was found had been dug up, and even the construction team was fighting.

"Bang, that's mine, don't grab it." A villager smashed it with a punch.

"What is yours, I obviously dug it up."

Until Chen Mo came to them, they were still fighting.

Hu Qiang stepped forward and pulled them away, and said, "What are you fighting for, Immortal Master Chen said, this is not gold." ”

Hearing that it wasn't gold, the crowd quieted down, but someone couldn't help but ask: "What is this color, isn't gold?" ”

Chen Mo didn't answer for the time being, but looked at the coal dug out, and his heart became excited again.

Now it's pyrite.

Because most pyrite will be accompanied by coal mines.

He picked up a piece of pyrite and smashed it.

Yellow iron is hard, slightly brittle, easy to smash, yellowish-white or tan in cross-section, and silvery-white bright stars can be seen.

"This is pyrite, it is an ore, look at the color of this smash, is it gold, if you still don't believe it, you can burn it with fire. The so-called real gold is not afraid of fire, if it is real gold, it will not change color. Chen Mo said.

In the face of huge interests, even if it is Chen Mo's words, there are still people who don't believe it.

It was really ignited and burned, and sure enough, after a period of roasting, the pyrite really changed color.

"It's really not gold." Seeing this, the villagers looked disappointed one by one.

And when Chen Mo saw the scorching yellow iron, he suddenly thought of something.

Yellow iron is capable of extracting sulfur.

Now that there is coal, the steps are not difficult.

And if he remembers correctly, it seems that coal can also extract sulfur.

With sulfur, a bold thought came to Chen Mo's mind.

That's right.

It's gunpowder.

One nitrate, two sulfur and three charcoal.

I believe that anyone who has read the book has heard this sentence.

And the manufacture of gunpowder is not difficult, and even simple cannot be simpler.

The ratio of nitrate, sulfur, and charcoal can be checked on the Internet, and Chen Mo has long understood it, and even made it himself, and succeeded.

It's just that I almost blew myself up once, so I didn't do it again.

If you add a little more sugar.

Tut-tut......

Chen Mo's mood suddenly became extremely excited.

If he really got the gunpowder out, he didn't know how to deal with those high-grade or middle-grade martial artists, but against a low-grade martial artist like him, it would definitely be fine.

If it is a large-scale production.

That scene......

This emperor, your Chu family can sit down, but I can't sit down?

Well, the emperor of the Great Song Dynasty was surnamed Chu.

"Hu Qiang, stop the work of the cottage for a while, dig up all the coal and pyrite here, and transport them back to the village." Chen Mo said.

"Coal?" Hu Qiang was stunned.

"It's all this black dirt on the ground."

"No."

"By the way, those who are involved in digging coal and pyrite are also in charge of three meals a day."

"Xie Chen Immortal Master."

……

After returning from the mountain, Chen Mo immediately led people to dig up the soil and build a furnace, which was to be raised in the middle to reveal a round hole.

Chen Mo also asked Liu Gui to burn a bowl with a bulge in the middle.

In this way, when the sulfur is burned, the bowl is covered with the furnace hole, and the yellow vapor of the sulfur in the pyrite will rise along the furnace hole, and it will not run away if it is blocked by the bowl, and finally flow into a small pool along the inside of the bowl into the cooling pipe, where it will condense and become solid sulfur.

PS: Ask for a monthly pass!

(End of chapter)