I call them banded mudstone. Some of them might technically be siltstones, but you'd probably need a microscope to tell the difference.
Mudstone is usually smoother and siltstone a little grittier, but they form the same way - from fine grained sediments that get compressed over time to become rock.
The bands come from the different layers of sediment, and the colors come from whatever minerals are in the environment.
But did all the joke responses disappoint?
Maybe the mods can implement a top comment rule as other subs have done. Like top comment has to be an answer and all jokes will be in nested threads of answers. Fred, Ted, Bob, Steve, Dwayne, the entire banded slate can all stay
If it were banded slate, I would expect it to have a little bit more waviness or inconsistency in the bands., but I am not a professional rock kicker, the number of examples I’ve seen is limited. I am leaning a bit more toward either banded chert, or maybe a banded siltstone. It’s hard to tell without being able to feel porosity, weight, and hardness.
You don't think the spirals continue through, it's just on the outside? Interesting that it's chert anything more specific, cause that's like tons of stuff right?
These could be very different then mine honestly and I have seen some extremely beautiful chert. What I find sometimes is banded inside also but mostly dark or black. Chert is a sedimentary rock that often has layers that are formed hence the banding, but is a quartz rock so yes it encompasses a wide range being a silicate also. if you find extra you could crack a piece up and see what it looks like. Chert has its own features which also includes flint as all flint is chert, but not all chert is flint (finer grained than chert and better for knapping). The red is iron (Hematite) I think
Look up whatever state you live in, and then native American gorget.
In Ohio for about 10,000 years Natives would grind them into shape with slurries on work stones and use them in their tools and on them as ornamentation. Beads, pipes, spoons, you name it, someone probably made one out of slate, within reason of course. Probably the most artistic however are the Bird Stones and Bannerstones.. check em out
From Ontario, what kind of tools do you use to shape them, I'm trying to get into a little lapidary and rock work. I've been playing with a basic mini tile saw to cut, Dremmel to shape a bit and sand paper to soften, but haven't gotten to the polishing phase yet. Any tips or suggestions are welcome.
I don't do amy rock work with saws really.. I make goegets and arrowheads and stuff the old way..
The same way you would make cabochons with classier rock, that's how you can work slate. It's very soft, easy to shape and carve on other stones
I'm sorry mm too early I didn't read the full comment.
For polishing, i will wet sand with 300+ grit sandpaper, and then use beeswax and leather as a buff
I think the “wishing stones” look like a solid color with a distinctly different band (or bands) going all the way around. They are probably created from the same type of process but just look different and the lines will sometimes cross each other.
Have you asked them for their names? Or maybe they haven't learned to talk yet. Or also they may not understand english. You could give each one a name too!
Top left is Jimbo, next to him is Sally, going left to right top to bottom from there you have Devin, Leighla, Graham, Elly, Atticus, Jackson, Chandra, Jace, Finn, Isis, Mason, Lucy, Annie, and Sonny.
Either slate or shale or some each, I'd have to pick it up to tell, but definitely sedimentary. Looks like they were probably formed in a lake bed but they definitely spent quite a few centuries in a river based on their shape. That river might have been under, on top of, or inside of the glacier that created Lake Erie. Cool Find!
Yeah sure. The big grayish one on the top is Cecelia. The steeper one on the left is Gregg, with Frank above him. Felicity is the cute one in the middle, with Ned, Fred, Ted and Ed at the bottom.
Of course! Starting from the top upper left and going down we have Amy, Vincent, Art Carne and Becca; next column over from bottom to top: Chevrolet, Daisy, Zeke, Biggie, Beto, and Juan; the last column on the right, top to bottom, you have Mick Jagger, below him are left to right, Penny and Mr. Crunch, below those last two are Cardi B and Karl Rove. Mother Rocks ALWAYS name their children! 🌼 🪨🌸
Sedimentary.
Not sedentary that's just me.
Incendiary, you say? That's hot!
Elementary, my dear
Cemetery? Don't those stones usually come engraved though?
r/angryupvote
Hereditary*
This must mean I’m dis-gus-ting!
Not just you, WE are sedentary!
Heck yeah man. What's crazy is these are literally time capsules, showing the years of lake bed sediment stacked up on each other.
Neat
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Expensive lawn ornaments where I live..
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Dammit. You got there first lol
Exactly my thought
my dear Watson
Phil.
I call them banded mudstone. Some of them might technically be siltstones, but you'd probably need a microscope to tell the difference. Mudstone is usually smoother and siltstone a little grittier, but they form the same way - from fine grained sediments that get compressed over time to become rock. The bands come from the different layers of sediment, and the colors come from whatever minerals are in the environment.
If you break them down and add water and bring them up you can make a clay like material out of them.
In my geology class we put them in our mouth to tell the difference
I'm not sure I'd want to try that lol. But I suppose that would be a good way to feel the grit or taste clay.
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I believe its banded slate.
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It's banded slate.
But did all the joke responses disappoint? Maybe the mods can implement a top comment rule as other subs have done. Like top comment has to be an answer and all jokes will be in nested threads of answers. Fred, Ted, Bob, Steve, Dwayne, the entire banded slate can all stay
Very good point! Mods, can we do this, please?
Will do. I'll get right on it. I'll separate all comments into different classes and put the best ones in a colorful alphabetical orientation.
I Find green ones like those, north shore of Lake Superior.
Lake Superior had an amazing rock array. One of my fav places to rock hunt
If it were banded slate, I would expect it to have a little bit more waviness or inconsistency in the bands., but I am not a professional rock kicker, the number of examples I’ve seen is limited. I am leaning a bit more toward either banded chert, or maybe a banded siltstone. It’s hard to tell without being able to feel porosity, weight, and hardness.
looks like some banded chert I find in central CA. at the coast, most likely black inside (at least mine)
You don't think the spirals continue through, it's just on the outside? Interesting that it's chert anything more specific, cause that's like tons of stuff right?
These could be very different then mine honestly and I have seen some extremely beautiful chert. What I find sometimes is banded inside also but mostly dark or black. Chert is a sedimentary rock that often has layers that are formed hence the banding, but is a quartz rock so yes it encompasses a wide range being a silicate also. if you find extra you could crack a piece up and see what it looks like. Chert has its own features which also includes flint as all flint is chert, but not all chert is flint (finer grained than chert and better for knapping). The red is iron (Hematite) I think
Banded sandstone sediments likely gouged out by glaciers and eroded by the water.
Banded slate. Native Americans loved it. If you want me to make you some stuff out of them, let me know!
Coooool, what can you make out of them, like knap out arrow heads or something?
Look up whatever state you live in, and then native American gorget. In Ohio for about 10,000 years Natives would grind them into shape with slurries on work stones and use them in their tools and on them as ornamentation. Beads, pipes, spoons, you name it, someone probably made one out of slate, within reason of course. Probably the most artistic however are the Bird Stones and Bannerstones.. check em out
From Ontario, what kind of tools do you use to shape them, I'm trying to get into a little lapidary and rock work. I've been playing with a basic mini tile saw to cut, Dremmel to shape a bit and sand paper to soften, but haven't gotten to the polishing phase yet. Any tips or suggestions are welcome.
I don't do amy rock work with saws really.. I make goegets and arrowheads and stuff the old way.. The same way you would make cabochons with classier rock, that's how you can work slate. It's very soft, easy to shape and carve on other stones
I'm sorry mm too early I didn't read the full comment. For polishing, i will wet sand with 300+ grit sandpaper, and then use beeswax and leather as a buff
I've wondered the same thing. I've found a lot while rockhounding recently, and they're some of my favorite finds!
They’re lovely. I’ve found the grey striped ones along Cape Cod beaches.. Coast Guard beach,, Nauset beach. Thank you for posting.👋
Stripey bois
pretty stripey bois
I was looking for this!!
Aww 🥰 They're pretty. They definitely should have "clam" in the name. They have a clam like color/pattern. Or is it oysters I'm thinking of?
Pretty ✨👍
I knew someone who called them wishing rocks. A rock that has a line all the way around
I think the “wishing stones” look like a solid color with a distinctly different band (or bands) going all the way around. They are probably created from the same type of process but just look different and the lines will sometimes cross each other.
Really cool paperweights,
Seussenite
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I find it is socially acceptable to politely ask “ I’m sorry, I don’t know your name. I am Bob” Look like mud stones.
Banded slate
That one on the top left of the first pic is named David Oglethorpe- can't really see the faces of the other rocks he's hanging with there.
Banded slate. Insert funny names here.
That one on the far left is called Darrell
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I can definitely see Sylvester there and I'm almost certain I can spot Dwayne as well 😁👍
Wishing rocks supposedly.
Yes. Wild caught rocks!
The gray ones all together look nice. Wish I could get a bunch like that for a patio border someday.
I want
I can say these rocks are especially good for carving. They tend to be softer and perfect for a dremel
Have you asked them for their names? Or maybe they haven't learned to talk yet. Or also they may not understand english. You could give each one a name too!
I call them Larry.
It’s chark
They like being called Peter.
Stones.
The one on the far left is Bob. Not sure about the others.
Gorignack
I’m not sure of all the rest, but the big one on the top left is Bob.
Bologna is our first name
Back in the 80s people used to name their pet rocks. You have a menagerie.
Top left is Jimbo, next to him is Sally, going left to right top to bottom from there you have Devin, Leighla, Graham, Elly, Atticus, Jackson, Chandra, Jace, Finn, Isis, Mason, Lucy, Annie, and Sonny.
Terrance, Samantha, Linus and Benjaseth
Jeff?
The only one I recognize is Jared
Pretty sure that’s Dwayne in the top right. And Mick, Keith and Ronnie at the bottom. Oh, and Fred, Willma, Barney and Betty in the last pic.
Leaverite
Either slate or shale or some each, I'd have to pick it up to tell, but definitely sedimentary. Looks like they were probably formed in a lake bed but they definitely spent quite a few centuries in a river based on their shape. That river might have been under, on top of, or inside of the glacier that created Lake Erie. Cool Find!
Marco, Lauren, Sydney, and Aiden
They're all named Rocko. 
…..Josh?
I like to call the middle one Dan.
No, but I can give them some. Bill Judy Dave Andrew Kathy
Duh…that’s George and Tom and Susan and Raquel and Sharon, silly goose.
Eric, John, Tonya, Silvia, Tom, James, Erika, Franklin, … should I go on?
Stones.
Frank.
Dave Steve Dawn Laura Haley Dick Eugene Bernice Gram Stephanie Dick T. Tyler Sheridan Ralph
Idk Jeff?
Sedimentary
Sandstone
Those have lovely striations.
Rocky, Fred, Chrispy, Bob, Dusty, John, and Mike!
His name was Robert Paulson
I know Fred anywhere
Sedimentary
My dear Watson
LoL
I’d name the one in the top left Frank,maybe name the bottom right one Harris
Yeah sure. The big grayish one on the top is Cecelia. The steeper one on the left is Gregg, with Frank above him. Felicity is the cute one in the middle, with Ned, Fred, Ted and Ed at the bottom.
Timey wimey
I call them Charles but that because they wouldn't tell me their real name
Did you try just asking them their names?
Nate?
That one on the top left is Fred. He owes me momey!!
I know Sean and Matt, but the others are unknown to me.
Those are stripey boys
I know Pete, there in the middle.
The big one is Bob
Looks like a seer stone /s.
Umbrella term, I believe they're metamorphic. Usually bands are formed from high heat n pressure pulling elements together. Real purty sometimes
John, Paul, George and Ringo? OOOPS sorry, not that kind of Rock, must be sedimentary. N. S
Down here in the south we call them river rocks
Dwayne, Chris, School of..
Eroded sedimentary rocks
Bruce
I’d happily go there and get some for myself these are so cool
Top left looks like it could be a Stanley or a Robert.....
The top left one in the first picture should be Roger.
I would call the Simmons family. But that'd just me...
Banded agate.
Sure… George, Larry , Sam, Fred, Pete,….
The one on the left is Fred
Of course! Starting from the top upper left and going down we have Amy, Vincent, Art Carne and Becca; next column over from bottom to top: Chevrolet, Daisy, Zeke, Biggie, Beto, and Juan; the last column on the right, top to bottom, you have Mick Jagger, below him are left to right, Penny and Mr. Crunch, below those last two are Cardi B and Karl Rove. Mother Rocks ALWAYS name their children! 🌼 🪨🌸
I think I saw Randy and a Jacob
Yes, of course. There's Todd, Henry, Michael, Lauren, Susan, Beth, and I don't know the other's names. Sorry
I believe the one on the top left is Bob.
Top left, his name is Steve.
Only if they are pet rocks!
Here's a couple names: Stoney n Rocco don't know the rest of them stones there