u/Awkward-Arugula-3173

Found in Mississauga, Ontario. It was in a pile left over rock from a construction site so I'm not exactly sure of the original location, a lot of rubble comes from quarries in hamilton I believe. My son's and I originally dug it out because the shape was weird and in this type of rock in the area that usually means we find a cool fossil. When we cleaned it up what we found were crystal structures. There is in the underside some of the shiny lining of shells though not sure if it shows up in the pictures well. I tried to post in r/whatsthisrock but didn't get any response and r/fossilid and the response was there were no fossils.

It's a new favourite rock in my 4 year old's collection and he loves learning about how this sort of thing happens so I wanted to post as we've never seen anything like this in our area before! There is a fair amount of scratches alone the crystal vein I assume from the heavy machinery use in the construction. I can try and get some better photos of needed but I struggled to get good detailed shots with my phone camera

Found in Mississauga, Ontario. It was in a pile left over rock from a construction site so I'm not exactly sure of the original location, a lot of rubble comes from quarries in hamilton I believe. My son's and I originally dug it out because the shape was weird and in this type of rock in the area that usually means we find a cool fossil. When we cleaned it up what we found were crystal structures. There is in the underside some of the shiny lining of shells though not sure if it shows up in the pictures well. I tried to post in r/whatsthisrock but didn't get any response.

We really just wanna know what's going on! There is a fair amount of scratches alone the crystal vein I assume from the heavy machinery use in the construction.

My eldest is geology mad, loves all things rocks, fossils and crystals! We like to scroll through this subreddit and see some of the cool fossils you all share.

We live in Mississauga, Ontario and we find a TONNE of small coral fossils but these are some of the cooler fossils we've recently found. He wanted me to make a post so "those cool people can see our collection"

If anyone has any insight on WHAT they are it'd be fun to learn about them together but not particularly looking for IDs on any specifically:)

*edited to correct spelling mistake

We find a lot of coral, crinoids and some tiny shells in our area, this is the first I've found that is somewhat 3D the exposed part is just over 1cm in length and about 0.4cm height.

I'm wondering if it's worth trying to expose more with zero experience and limited equipment