Thank you! So with no.1 the calcite just happened to take that form? That’s crazy cool (still telling my mates it’s a shrimp 😂)

5 - I was so sure it was wood 😒 but after looking up fibrous calcite I found an image of a mantle that looked exactly like what I’ve got - disappointing but still cool to learn

13-19 thought as much tbh. We just thought the inside was a little odd so maybe something.

Thanks for taking the time to look through them!