Hi, Im new: What is this, and is it worth anything to anybody? Thanks.

KristyDFox

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Mar 14, 2013
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Greenville, PA (western PA)
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Hi, I'm new: What is this, and is it worth anything to anybody? Thanks.

Location: Foothills of Allegheny Mountains in a very, very rural hiking/hunting land owned by my family for many generations. This land is along a river and adjacent to State Game Lands in Venango County, PA. There is absolutely no manufacturing in this area, nor is there much of anything inhabited. The nearest house is about 6 miles away, and the nearest industry/factory is about 35 miles away. Unless there were Native Americans settled in this ravine/riverbed, nothing modern has been situated there in recent decades/centuries.

When it was found: I found this on a hike with my husband last year. We were about a 45-min hike from our vehicle when I found it in the riverbed, but I talked him into filling our backpacks and bringing it home. It resembled the beautiful obsidian volcanic rocks I'd paid good money for at a shop in Florida years before.

Perspective: I put a quilter's mat on the table, so the squares are 1" each. There is natural light behind me. I washed the rocks before photographing them so you can see the shine. I don't own a tumbler or anything like that, so they're just like how I found them on the hike.

The biggest point of emphasis I have is that this is from a very remote location. There is no smelting or manufacturing there, and never has been. No old railroad tracks, no old factories, no manmade roads, etc. It's beautiful out there. You can see so many stars at night. Anyway....

Thank you for taking a good look at these and letting me know what you think it is and/or how to determine if it's worth anything.

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Hi Kristy,
I've seen alot of rock and have a few questions.
Does the weight seem normal for each piece of this?
Does it seem at all like plastic or is it more like glass?
Does it clink slightly when tapped with anything metal?
Was this from an outcrop, or just found loose?
It looks like a few things.
There is paint that could be from a manufacuring process that looks similar, but you say there is nothing there.
My guess is volcanic glass (ie: obsidian)
Or possibly Chert (a harder material) similar to obsidian.
The flow lines in it would indicate some sort of initial molten state.
As far as value, yes, it could have some value. Not a ton, but it could make you a couple of hundred bucks if
you sold it on feepay or you got ahold of a local rock shop and sold it by the pound.
Stuff like this on ebay could be used for arrowheads and people would pay big bucks for the nice swirly pieces if it is chert or obsidian.

Send me a piece and I can tell you. I'd pay for shipping.

Send me a PM if interested.
Coinshooter
 

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Howdy KristyDFox,

I think what you have is a collection of slag. This is not obsidian, chalcedony nor any type of quartz.

Respectively Submitted,

Brian T. Booth
 

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One other thing I thought about. If it's light and somewhat brittle, it could possibly be non-precious opalized wood.
Still, it has the pretty factor going for it.
I always tell people who want to start seling rock.
It needs to be either pretty or have nice pattern or color.
This has alot of these.

Looks like the kind of place you might want to take a look in the forest.
You might find an old homestead prime for a treasure hunt.
 

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Brian is right. You can also find these types of rocks in gravel roads.
 

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indir (6).jpg121206_1279589437.jpgimages (21)_640x480.jpgimages (24)_640x480.jpgindir (5)_640x480.jpg

Rainbow obsıdıans rough,used many ornaments.
 

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Turkısh Man;3241302 said:
<img src="http://www.treasurenet.com/forums/attachment.php?attachmentid=759590"/><img src="http://www.treasurenet.com/forums/attachment.php?attachmentid=759580"/><img src="http://www.treasurenet.com/forums/attachment.php?attachmentid=759581"/><img src="http://www.treasurenet.com/forums/attachment.php?attachmentid=759582"/><img src="http://www.treasurenet.com/forums/attachment.php?attachmentid=759583"/>

Rainbow obsıdıans rough,used many ornaments.

Turkish Man

Those are true rainbow obsidian. Great specimens.

Good Luck and Happy Hunting,

Brian T. Booth
 

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The bubbles showing is a true sign of slag. Slag comes in all colors but yours is really excellent with all the swirls. I dont know if it can be knapped or not but if it can modern arrow head makes will pay for the bigger pieces. Most sell pieces of natural flint for $5 a pound.
 

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You said this was found in a river bed? Go back to this location and try working your way upstream you may find an old glass blowing plant or foundry. try searching the surrounding forest. These samples are glass from some kind of human activity.
 

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Definitely slag glass. I find similar colored pieces here in MI. There is a ton of slag along the Lake Michigan lakeshore and buried along some rivers. They can fracture pretty easy, but depending on the quality can be made into some nice pendants and spheres. They come in a lot of colors. I like the material a lot...those seem like nice pieces. If you'd want to sell some of the larger ones, I might be interested. Here are some of my pics here:

blue slag glass | Spheremaker.com

Michigan Blue Slag Glass Pendants | Spheremaker.com
 

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not sure if slag or natural but they are pretty. Though I do not think that rare if so many were found in one location.
 

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I'm originally from south central PA and this looks alot like glass slag I have seen from pig iron furnaces. If it has bubbles in it or little round holes like bubble holes then I'm 100% sure its glass slag. Pig iron furnaces were usually near water and you said this was near a riverbed and all in a pile, sounds like a slag pile to me. That being said I can't be sure without actually holding the material and looking at it in person, you may still want to have someone take a look at it. It looks almost exactly like slag I saw at Greenwood Furnace years ago.
 

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