[alexander_busek]

I would suggest that you first complete a few semesters of Junior College-level courses on Astronomy before continuing this line of questioning.

Conduct a few open-ended conversations with someone with an understanding of Basic Economics, Metallurgy, and Space Flight.

The Logistics and Economics of mining asteroid material and either processing it in situ (for use in the construction of orbital platforms and manned colonies, the production of rocket fuel, etc.) or bringing it to Earth for Earth-based exploitation are complicated, to say the least.

Regards,

[Jonty30]

I know the difficuties of. Each asteroids can be billions of tons and even a push from the upper orbits will be almost as bad as it crashes into thecearth.

But im interested in the rock itself and its usefulness to us.

[rarestia]

Bringing it to Earth is out of the question. Orbital perturbation is a thing, and the larger the mass we bring in to orbit our planet, the more likely we are to screw up things on Earth.

Three Gorges Dam in China, for instance, has been shown to have impacted the rotation of our planet. Think about that.