It’s about the size of a walnut in the shell. I got it with a bag of random rocks and tumbled it through four stages for about a month. The fact that it didn’t get very rounded off means it’s quite hard. It’s more green in real life with lots of neat transparent bits.
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That’s a cool rock.
Thank you.
Doesn’t look like an agate. Kind of looks like fossilized coral with quartz
Could be, I’m no expert. It’s a lot more green that it appears in the picture, and closest matches I found were agates. Is fossilized coral very hard? It didn’t wear down as fast as the quartz in the same batch.
