Rocks thought to come from space

[bary11]

Hello,
I don't know much about geology and need help for identification of these rocks.
A friend of mine found these objects in a remote location in Mauritania (a country where Professor Théodore Monod spent his life looking for a mysterious meteorite).
Local people pretend it came form space
Does anyone have an idea about it? Thank you in advance

 

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[Terry Soloman]

All those samples are terrestrial. Take them to any geologist for confirmation.

 

[bary11]

All those samples are terrestrial. Take them to any geologist for confirmation.

Thank you for your answer