this post was submitted on 03 Jan 2026
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Cool Rocks

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Minerals are cool, too.

Be gneiss to each other

Please use posts for your rocks. Feel free to add more pictures and links to articles in the post text.

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Wonder what it was....

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[–] Jerb322@lemmy.world 4 points 2 months ago

My wife's brother found it on the beach in Granada.

[–] Wren@lemmy.today 4 points 2 months ago (1 children)

What do you think made the hole?

[–] Jerb322@lemmy.world 3 points 2 months ago

I think it may have used to be a Sea Urchin of some sort... Maybe a type of coral.