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hello all, I found a lot of this specific type of rock and I thought they could be fossils. Now I'm not so sure. They have what appears to have a spongy inside and flat outside, on the sides that are still there. I tried to take pictures to show them well. A few of the pieces have two "lobes" at one end and the lobes appear to be splitting. They are all the same color, though some are dry and some are damp still. I was trying to figure this out on my own, and I thought it could possibly be coal (if not a fossil), but i really don't know how to test it. My husband did try to light it on fire... it did not catch fire. If you need more pictures, let me know. I got these in a river in Williamson County Tennessee. I believe the only dinosaur we have that's been found is hadrosaur specifically edmontosaurs. There have been multiple types of megafauna mammals like sloths, rhinos, and mammoths. If these are nothing, I will be sad, but at least I'll know not to pick these up anymore! LOL. Thanks! IMG_4308.heic

I am not sure where I got this. Is this real lava rock or some kind of industrial slag?

Hey I found this heavy guy off the shores in very northern Lake Huron, magnetic, black appearances with what looks like green gaseous tinge, some white chip and a patch of granite? Someone help me please understand what and why this is, it looks alien or very deep crust born? It’s neat! Doesn’t seem to leave streaks ? The Hints of green on it is awesome to see

I’m so sorry to bother anyone but Google Image search has sent me down days of rabbit holes. This rock is slightly magnetic (the magnet acts funny but it doesn’t stick). When rubbed against paper it rips it or imprints it but doesn’t leave residue at all (Even when wet) . Google keeps showing me meteorites but I’m not the type that thinks everything I have is a Native American tool or valuable crystal. All I did to clean it was spay it with a water bottle. With all the rain lots of stuff has came up to the top and this was found in that same grid square of 1foot x 1foot as the other weird things like sharpened points and in the foot sized square beside it was a couple of almost finished arrowheads. I live on the border of Lauderdale and Limestone counties in North Alabama. Please help or in a thousand years someone might find my laptop and phone with google stinks scratched into the screen.

Found these on the beach in Lorain OH. Not sure what they can be. Any help?

I was wondering if anyone could tell me what this is. It comes from the south rim of the Grand Canyon (literally 10 feet from the edge) between Moran Point and the Tusayan ruins. The pieces were grouped together on the surface. There didn’t seem to be any associated mines or mining activity, but I do not know. Thanks.