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Unknown "rock" I found

by Matteo moreno
(Colorado springs)

I don't know much about it other than it's heavy extremely odd-looking but other than that I know very little

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Mar 27, 2020
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Concretion
by: Douglas

This looks like a concretion. A concretion is a rock that is built up layer by layer like a snowball. Read more about concretions here:
https://www.desertusa.com/desert-minerals/concretions.html

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