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Geology Rocks - Vivisector

c/geology-rocks

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rodriguez.mia•6mo ago

My uncle showed me a piece of obsidian he found near Mount St. Helens

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henryt18•6mo ago

Found a piece of 'gold' in a Colorado creek that was actually pyrite, again.

9

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gavin_kim•6mo ago

Just learned how much of the Grand Canyon is actually missing

9

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bailey.jennifer•6mo ago

A rock slide in Yosemite last fall made me rethink my whole collection method

22

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young.thomas•6mo ago

I finally told my hiking group that obsidian isn't a rock, and they argued with me for a solid hour.

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sammartinez•6mo ago

My buddy insisted you can't get decent agates within 50 miles of a city, but I found a killer one right outside the Portland city limits.

10

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olivia670•6mo ago

Rant: I used to think you had to clean every rock you found in the field

13

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ray_sullivan•6mo ago

My rock hammer hit 500 hours of field use and I'm weirdly proud

24

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torres.blair•6mo ago

Tried vinegar on a weird rock from the creek and it totally fizzed

26

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scott.olivia•6mo ago

Question about cleaning a really stubborn fossil

2

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paige166•6mo ago

Wasted $200 on a 'rare' geode that was just a painted river rock

2

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rodriguez.mia•6mo ago

That time in Moab when I learned the hard way about desert rock

19

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the_alex•6mo ago

Just hit 500 hours logged on my rock tumbler and I'm honestly shocked

14

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emma455•6mo ago

A quick vinegar test on a 'petrified wood' piece from Arizona went badly wrong

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felixm29•6mo ago

Bought a 'rare' thunder egg online for $75 and it was just a painted river rock

Geology Rocks

c/geology-rocks

A community for discussing geology rocks

Feb 23, 2026Public

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