What green?

Xu Le looked stunned after listening to Meng Yiyi's words.

Is Wharton green...... This one is called Wharton, and it sounds pretty miserable......

"Ah......" Meng Yiyi covered her mouth with her fingers.

"Wharton green is the highest grade of emerald color, and purity means that there are no cracks in the inclusions. ”

"It's a very good value!"

This stupid white sweet can no longer be regarded as the eldest lady of a big family in the ordinary sense......

I have never eaten pork and seen pigs run, and this kind of thing is gemstone identification, Xu Le has heard of it more or less when he was a keyboard warrior.

Don't you use any tools to visually authenticate jewelry...... How extensive does this have to be......

And how did the two skills of equipment production for survival in the wild and gem identification appear in a person at the same time......

Don't really be the daughter of the god of war...... I'm just going to play with the meme......

Xu Le calmly put on a poker face: "Oh, yes." ”

"The big guy is so powerful! This grade of emeralds can be found!"

"Heh, just pick it up. ”

The high-quality character design can't be ...... Xu Le smiled faintly, "If you're interested, let's take it and play with it first." ”

Anyway, on the island, gems and other things are useless for a while......

Meng Yiyi's big eyes widened.

Lin Xihan didn't know much about these things, but he could guess some clues from Meng Yiyi's expression.

This person...... Just kidding...... These two emeralds can make Yiyi so praised......

Does he have any idea of the value of gemstones?

Aren't you afraid of losing or smashing it in case it gets lost......

Xu Le waved his hand: "Xihan also pick a piece, just take it for me to keep it temporarily." ”

"I climb high and low all day, and I don't have time to care about them. ”

Lin Xihan: "......"

Meng Yiyi: "......"

Barrage in the live broadcast room——

“......”

Xu Le: "It's almost time for the ventilation furnace to heat and smelt, let's take a look at the harvest of ironmaking this time." ”

Lin Xihan didn't react for a while.

"Ah...... But emeralds ......"

"How can emeralds be as important as iron smelting?" Xu Le glanced at her.

The old straight man has cancer.

Dig open the vent at the bottom of the furnace and turn off the heat!

The temperature of the red-hot furnace slowly drops.

"The part I dig up now can be reused next time as long as it is sealed with thatch mud. ”

Xu Le dug out all the carbon slag accumulated at the bottom of the furnace.

In the ash-like pile of carbon slag, you can see black iron slag wrapped in ash and condensed by fluid.

Carefully pick out the iron slag from the sand and pile it up in a pile of iron sand more than 10 centimeters square and about 10 centimeters high.

[Alchemy skill has been upgraded, current level Lv.3!]

Barrage in the live broadcast room——

"So, I really let Xu Le refine Tiebei......"

"This is god-level speed...... On the sixth day, Big Brother Xu Le entered the Iron Age!"

After Xu Le picked out the first furnace of iron sand, he filled the gap in the ventilation furnace with mud mixed with thatched sections, leaving ventilation holes.

Fill with charcoal and iron ore and ignite.

The smelted iron sand is poured into a fired pottery urn.

The urn is then placed into the slate compartment from above the oven.

"This step is to smelt the purer molten iron. ”

"In the process of smelting molten iron, we prepare the mold. ”

Xu Le wedged several stone slabs into the ground and fixed them with a layer of thick mud.

It is then filled with dry fine sand sifted in baskets.

When the fine sand is halfway filled, bury the stone knife longitudinally.

Continue to fill in the soil. While filling, tamp it with stones until the whole stone knife is covered with fine sand.

Finally, carefully remove the stone knife.

In the compacted fine sand, a knife shaped mold is left behind.

Carefully dig out a portion of the fine sand and place two thin wooden strips horizontally at the position of the handle.

Finally, the dug gap is refilled.

On one side of the fine sand mold, Xu Le dug out four or five more triangular notches, about five centimeters long.

After doing this, Xu Le found a wooden pole about one meter and two long, which was still damp, and split it in the front one-third of the part.

The wooden pole poked in through the opening at the top of the oven to hold the clay urn containing the iron sand.

"The iron sand has melted. ”

Xu Lejie, who cautiously peeked through the opening of the ventilation furnace, said, "Now we have a sufficient amount of molten iron. ”

Take out the urn carefully!

From the lens of the camera, you can see the molten white hot liquid, emitting a dazzling white light in the clay pot!

Fill the mold with molten iron!

Ulla......

Wait for it to cool down!

When the molten iron is molten in temperature, the temperature slowly drops, and the color changes from almost white to dull.

Eventually, it stopped in a dark grayish-black state.

After waiting for a while, Xu Le started to smash the mold of fine sand and soil tamping.

In the five-centimeter-long strip gap is the tip of the arrow, which still looks a little rudimentary!

But you can already see the sharpness with a hideous momentum!

And after the knife-shaped mold is smashed open, what is presented is almost exactly the same as the stone knife-

Iron knife blank!

The blade is curved, the head is broad, and the center of gravity is forward.

Although it has not been polished yet, a rough charm is coming!