this post was submitted on 22 Feb 2026
104 points (98.1% liked)

Cool Rocks

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A place for:

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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Weekly Discussion: What's your favorite rock or mineral term? (lemmy.today)
submitted 2 weeks ago* (last edited 2 weeks ago) by Wren@lemmy.today to c/cool_rocks@lemmy.today
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It's okay cleavage at best.

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[–] arctanthrope@lemmy.world 11 points 2 weeks ago (1 children)

https://imgs.xkcd.com/comics/geology.png

[–] Wren@lemmy.today 3 points 2 weeks ago

Always relevant.

[–] 6stringringer@lemmy.zip 7 points 2 weeks ago (1 children)

Wanna hear a joke about Sodium Bromide?

[–] 6stringringer@lemmy.zip 8 points 2 weeks ago (1 children)

NaBr(uh)

[–] timsjel@piefed.world 4 points 2 weeks ago

Gotta admire the self assist. Nice.

[–] Geobloke@aussie.zone 4 points 2 weeks ago

Cummingtonite

[–] southsamurai@sh.itjust.works 4 points 2 weeks ago

Scree

It's just a gnarly word. It's like something a kaiju expels as a battle cry

[–] Dozzi92@lemmy.world 3 points 2 weeks ago

I always liked the word karst. Came up through my work once, had to look it up, and I just like it.