this post was submitted on 12 Apr 2026
51 points (98.1% liked)

Cool Rocks

549 readers
336 users here now

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.

founded 4 months ago
MODERATORS
you are viewing a single comment's thread
view the rest of the comments
[–] CultLeader4Hire@lemmy.world 6 points 1 month 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!