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Moss Agate (?) (lemmy.today)
submitted 3 months ago by to c/cool_rocks@lemmy.today
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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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[–] 3 points 3 months ago (1 child)

That's a cool rock.

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    • [–] 2 points 3 months ago (1 child)

    Doesn't look like an agate. Kind of looks like fossilized coral with quartz

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  • [–] [S] 2 points 3 months ago

    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.

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