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I found a cool rock (thelemmy.club)
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[-] CultLeader4Hire@lemmy.world 10 points 1 day ago

I researched it today I believe it’s calcite in basalt caused by cooling gas pockets from a volcanic eruption then it was carried down the river behind my place in this valley and deposited here probably thousands of years ago. Pretty cool!

this post was submitted on 12 Apr 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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