▲ 79 ▼ Holey rock (lemmy.world) submitted 6 months ago by Jerb322@lemmy.world to c/cool_rocks@lemmy.today 30 comments fedilink hide all child comments
[–] too_high_for_this@lemmy.world 4 points 6 months ago Fossilized coral! I found a piece like that on a beach in Florida once. permalink fedilink source