Copper is not only susceptible to darkening, but also to green patina, which is a serious detriment to its aesthetics.
Silver also darkens, but less frequently than copper.
However, silver is expensive. As with light silver, silver was rarely available in the village blacksmith's shop.
They stocked only a few dozen grams for repairing ornaments.
Plating is another option, but it wears out quickly and the metal comes out, so it is good for ornaments, but not so good for utilitarian tableware.
"I guess we'll have to do something with iron after all.
The forks prepared at the village head's house were also made of iron.
"But I still don't want to use iron.
"That's right. ......"
My old forks are made of iron. This is no longer an option, but we wanted to use a rust-resistant material for the new forks.
Iron rusts more easily than copper. Moreover, while the black rust of copper does not penetrate into the interior, the red rust of iron penetrates into the interior, and finally leaves the iron product in ruins.
Daily care is therefore indispensable.
"I wish I could find nickel and chrome. ......
Shuki also knows about stainless steel and has used it to some extent as a material. Therefore, Adriana also has knowledge of stainless steel.
However, in this world, metals such as nickel and chrome are completely unknown and not commonly distributed.
And Shuki did not know what kind of ores containing nickel and chromium were available.
However, he did know that the ore contained nickel and chromium.
Hey, Krull, Marull. I wonder if green stones can be found around here?"
She only knew that minerals containing chromium and nickel sometimes turn green. And Adriana had learned that, too.
"Well, you can find a lot of them on the southern coast," she said.
Do you want to go pick them up?
"Yes, let's go! I'll be back, ...... master, not Mr. Fightos.
With a suddenness that, from Phytos' point of view, seemed like the whim of a little girl, Adriana ran out of the house.
Adriana's face was bright red and her eyes were wide open.
"Here, here."
"Wow. ......"
There was a bay and a gravel beach instead of a sandy beach, perhaps collected by the lapping waves. There were greenish stones lying all over the place.
"It's called 'Green Beach'!"
The beach lived up to its name.
The pier where the village boats were tied up was at the northern end of the beach.
"Well, let's check it out."
Shuki does not know much about minerals, and neither does his daughter Adriana. Nevertheless, using the engineering magic <>, she is able to detect known substances.
<>"
I immediately analyzed the sample and found silicon, oxygen, aluminum, sodium, and among them I found a small amount of chromium.
"Yes! We hit it!
Adriana was delighted and decided to extract the chromium immediately.
"<>"
A silvery grain of sand rolls into Adriana's hand. The stone turned from green to white.
"Wow, that's amazing! Ad's magic?"
"You can do this!"
Both are amazed.
However, only about 0.1 grams of chromium has been extracted. Adriana would like to get it in kilograms if possible.
"Ten thousand times this ......."
It's a mind-boggling story.
And to top it off, the element responsible for the greenish color is copper.
We worked hard until the sun went down, and in the end we obtained only about 5 grams of chromium and 2 grams of nickel.
In addition, 1 gram of manganese, 2 grams of molybdenum, 1 gram of vanadium, and so on.
However, to my delight, I was able to obtain 0.3 grams of gold and 0.5 grams of silver.
(Worst case scenario, we could have plated it...)
Adriana heads for the village with the sisters Marle and Krull and ponders what to do with the rare metals she has obtained.