submitted 7 months ago by Masterkraft0r@discuss.tchncs.de to c/cool_rocks@lemmy.today

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[-] Multiplexer@discuss.tchncs.de 4 points 7 months ago

Might have been part of a belemnite? At least looks a bit like one.
Where I come from you can find a lot of those, besides ammonites.
But embedded in limestone...

[-] Masterkraft0r@discuss.tchncs.de 3 points 7 months ago* (last edited 7 months ago)

it is limestone! tested it with acid. weird color for it though

this post was submitted on 05 Jan 2026

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