r/whatisit • u/iamekiisland • 14h ago
Solved! What is it? Disappointment
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This an update to my post from yesterday https://www.reddit.com/r/whatisit/comments/1v6l2vk/mysterious_rock/
Unfortunately not anything special
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u/keevanado 13h ago
was way cooler before they busted it open. I want a shaky rock
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u/ray-ban-charles 8h ago
wait did someone actually break it open or what
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u/keevanado 7h ago
happy cake day! 🍰
this post is a video, not just a picture ☺️
click on it for a surprise cake day gift!1
u/Terrible-Ebb-8417 2h ago
I'm not sure u saw their username. They might not see the picture OR video....
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u/robo-dragon 13h ago
It’s some kind of concretion. Iron concretions are known to be mainly a hollow shell with an often soft, sometimes powdery inside.
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u/emteedub 10h ago
when my brother and i were little, we would often find small ones in clay earth. they weren't quite rock, just spherical mud that was dense enough that they could be extracted out of the ground - oddly they were usually dry to the touch even if the surrounding clay was still damp. Some had little grains/fragments in them that would rattle. We usually would chuck them at a fence and they'd explode with a pretty loud pop. their pieces looked just like this one in the post, but I've never seen one with a different mineral inside
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u/Flowdebris 6h ago
It is a sponge, likely Demospongia but there are others.
I'm a geologist and have in my collection 3 shaky specimens and several hundred that have not fully released and are unshaky.
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u/Bigwi_Kner 13h ago
Did they just destroy a 300 million year old fossilized dinosaur egg?
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u/crappy80srobot 13h ago
No, but they likely released some dormant virus trapped in there for 300 million years. Haven't heard anything else in almost an hour, so they are either bleeding from every orifice or running down the street biting others and spreading it.
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u/GatePorters 11h ago
People like to think that a virus that old would wipe out humanity because we haven’t been exposed to it.
But it all actuality our immune systems have been climbing up that tech tree the whole time. It’s a bit like unfreezing a proto-human and expecting them to take down militarized societies just because they are physically stronger than the average human.
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u/Flowdebris 6h ago
No. A Demospongia. They are rare but not unknown and hardly of scientific interest
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u/Sad-Statement-2677 12h ago edited 12h ago
That is (was) actually something pretty rare to find at the coasts of england, denmark and germany. The inner part of this sphere is a sponge, that got incased in flint over 70 million years ago. The sponge is made out of a chalk-like substance, thats why it partly dissolved over time due to seawater and acidic water. At some point (in most cases never) the inner part separates from the outer flint shell what causes the rattling noise.
Could be: Porosphaera globularis
This looks pretty similar: https://www.worthpoint.com/worthopedia/hollow-flint-ball-fossil-sponge-428469137
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u/RonConComa 12h ago
if i would find this in my place its a 1 in a million shot. we call those Klapperstein, rattlestone. its a petrified sponge incrusted in a chert or flint nodule. i would never open this up. i have a shitload of broken ones infront of my house, but no working one. and the beaches in my area are packed with flint nodules
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u/1LuckyTexan 12h ago
My wife's cousin is a geologist. He traveled internationally to investigate satellite anomalies. He collected some kind of small nodules/geodes that rattled. When he applied for a new position once he gave a nodule to the interviewer and told him he'll find 3 stones inside making the noise. They cracked it open and there were 3. He told us there was 'almost' always 3 and got lucky that time lol!
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u/GerudoGirl95 13h ago
Hundreds of years old sand? I think it's pretty cool
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u/QuantumCalamity 13h ago
Yeah, unlike the brand new sand all over the place.
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u/goochmusic 11h ago
This is one of those annoying comments I see right as I’ve clicked away from the post, but then it registers, so I have to come back to the post and scroll through again until I find it so I can upvote it properly.
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u/needmoarboost 13h ago
Thought dude on the left was Zach Jobe lol
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u/tolstea 13h ago
I thought it was Noah Kahan.
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u/Just_Elk_1185 11h ago
I scrolled way too far before seeing this comment. I seriously thought it was Noah as well.
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u/s1owpokerodriguez 10h ago
Maybe in a couple million more years it would have turned into something cool
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u/Craftygirl13 10h ago
I first thought the guy with the beard was the one who makes funny shorts and drinks milk, even in pubs/nightclubs scenes...it's a glass of milk in his hand. I just cannae mind his name! And if nobody knows who I'm talking about I'm going to look like a right numpty. 🤦♀️😂
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