Found this metal structure in the italian alps (near Marmolada). It was about 3 meters tall and we saw a few of these on the side of the mountain. Any idea what are these? And their purpose?

8mo ⋅ ⋅

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My grandfather gave me this rock. It's said to be from Katowice, Poland. Do you have any idea what kind of ore is this?

4yr ⋅

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