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This is a few weeks in now, almost half way through.
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this post was submitted on 17 Apr 2026
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Cool Rocks
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A place for:
- Sharing cool rocks you found
- Discussing cool rocks
- Memeing about rocks
- Sharing rock facts
- Cool rocks
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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Hey, thanks for your reply! I started looking at Amazon and the many reviews. Hopefully I can choose a decent one. That's also reassuring that I can pursue a hobby that doesn't raise the bills LOL aside from the fun of going out and finding the rocks of course.
No problem!
I would suggest buying a set of rocks to tumble first, so that you can follow the process and get some good results.
Lots of rocks won't tumble very well and it can be disappointing to find that out after weeks of tumbling. So I always suggest buying rocks that are known to be good for tumbling for your first time, so you can see how the process works and what the results should look like. After that you can experiment with different rocks and see how they tumble and compare against the first batch.
As OP said, you'll need to tumble rocks of similar hardness, otherwise you may grind a rock to nothing.