Perfectly round white stone (native american?)

[caspider10]

Hello all, first post here. I read the "please read before posting" thread, so I'll try to make sure I've got it all

This stone was found about 20 years ago when digging around in my great-grandmother's backyard in Manila, Arkansas. She was 1/2 Comanche Indian, so I know there were some tribes in the area. I meant to take the picture with a quarter or nickel for reference, but I forgot, please excuse this.

I hope the photos are clear enough, it's about the best I can do with my current camera. Size of the stone is approximately 1.5", and like i said, it is almost perfectly round. It was not found near any rivers or streams, and I have never found anything quite like this in the area. There doesn't seem to be any markings except for a few small nicks that look like it hit another rock or struck something sharp (you can see these in the photos). I'm not quite sure what kind of stone this is (limestone perhaps??).

Here's what I'm hoping to find out (in increasing order of hopefulness!):
~ What kind of rock this is
~ Is it man-made, or natural
~ If it is man-made, what was it used for, or what could it be

ANY help would be appreciated, even if it is just a reference to another site that might be more specific/helpful!

Thanks!!

EDIT: diameter is roughly 38mm.



another recent find: this time near matheson colorado:

 

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[gdsmith870]

Found it's big brother in SW PA

Coincidentally my brother found one of those sticking out of a hillside in the woods of southwest Pennsylvania. The one he found is about 3-in in diameter and it seems to be unusually heavy.

 

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[CanadaHunter]

FYI - I found something similar (10):
http://www.treasurenet.com/forums/north-american-indian-artifacts/549658-some-canadian-items.html

 

[Old Pueblo]

Clay boulder marble? That would be my guess.

 

[Treasure_Hunter]

Could just as easily be mill stone balls and water filtration blls.

https://www.google.com/search?q=mil...AhVIKCYKHXWzCqQQ9C8IHw&biw=1680&bih=895&dpr=1

 

[4x4x4]

....Fred Flintstone golfed

 

[H@45]

Hello all, first post here. I read the "please read before posting" thread, so I'll try to make sure I've got it all

This stone was found about 20 years ago when digging around in my great-grandmother's backyard in Manila, Arkansas. She was 1/2 Comanche Indian, so I know there were some tribes in the area. I meant to take the picture with a quarter or nickel for reference, but I forgot, please excuse this.

I hope the photos are clear enough, it's about the best I can do with my current camera. Size of the stone is approximately 1.5", and like i said, it is almost perfectly round. It was not found near any rivers or streams, and I have never found anything quite like this in the area. There doesn't seem to be any markings except for a few small nicks that look like it hit another rock or struck something sharp (you can see these in the photos). I'm not quite sure what kind of stone this is (limestone perhaps??).

Here's what I'm hoping to find out (in increasing order of hopefulness!):
~ What kind of rock this is
~ Is it man-made, or natural
~ If it is man-made, what was it used for, or what could it be

ANY help would be appreciated, even if it is just a reference to another site that might be more specific/helpful!

Thanks!!

EDIT: diameter is roughly 38mm.

View attachment 946885

another recent find: this time near matheson colorado:

View attachment 1048312

 

[Bryan82]

Coincidentally my brother found one of those sticking out of a hillside in the woods of southwest Pennsylvania. The one he found is about 3-in in diameter and it seems to be unusually heavy.

I found one of these about 30 years ago—white, about 2.5”—northeast of Pittsburgh in a creek. I have no idea what it is. Since this thread was created years ago, I am wondering if you found out any more details?

 

[Charlie P. (NY)]

I can't think of any reason a Native American would need or want a perfectly round stone. But I have seen such things in caves where water had the opportunity to work over thousands of years.

 

[pa-dirt_nc-sand]

I found a spill of these balls in Pittsburgh a few years ago, search “Dino eggs” for the post in this forum. I cracked one in half.

 

[seanz]

I have similar ones, apparently whiter and smoother. They are heavy and very hard. I couldn't scratch this one with with a glass-cutter.

 

[xaos]

That last one def looks like a mill ball for polishing...they are usually ceramic...

Get the specific gravity of some of these would help

On some of the others, like in PA, there are a lot of limestone concretions that look like this...