Chert

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Rock Home Isle

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Returned last night from Texas. The above image is of about 150 lbs of flint. It was so hot, over 100 degrees every day.

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Not sure who it was, but someone asked to see images of the flint embedded in the limestone.
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There is a previous post in this thread that shows a map of the limestone quarry.
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The road through the northern edge of the quarry, cuts through the limestone ridge. On either side of the road, there’s a length of about 100 yrds where there is a continuous line of flint.
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There’s several places where we picked up flint, but at this place…you get a great idea of how the flint is found in layers in the earth. It’s not randomly distributed.
 

Rock Home Isle

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Maybe this will help some others in the central Tx area. This is the PM I left Rock Home Isle.

"Hello. I just found your request for a map or information to some Texas flint. Here is a link to the Tx Georgetown rock quarry. There is supposed to be a vein of sorts with good Tx Chert. I can't say for sure because I haven't made it down there yet. The first thing I would do is visit this quarry and see if they will give/sell you some of the Chert. Its supposed to be a problem for them to grind and I bet they would give you a couple of 5 gallon buckets of it just to get rid of it. Heck maybe a truck bed full".


These links in the above post will take you to a map of the area. This is where I found some good pieces last time, and I found some large chunks just lying on the ground on this last trip. My son picked up a few pieces of flint that he found on the ground around the parking area where he works. The flint is black-grey…exactly what I’m looking for. He said he’d start picking up any that he found that was baseball sized or larger.

I’m trying to set up a pig hunt in January, with my dad, my son and my son’s friend. So in January I’ll be heading back and pick up some more flint…it would be nice if one day I learn how to efficiently bang these rocks together to make some good quality gun flints.

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Here’s an image of some pieces of the type of flint my son finds all over where he works. He grabbed small pieces to show me what he finds.
 
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Two Feathers

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Kind of recently, someone posted about a vendor that sold chert gun flints. I’ve looked around and can’t find the post. Can anybody help me out? Thx, E…
Gvilleddie:
Try this place on Etsy. elementalgemstones | Etsy
I got a killer deal on 10 pounds of Flint rock chunks from these folks about 3 years ago,. They're still in business, I checked before I commented.
Good luck. I hope this helps.
God bless:
Two Feathers
 

Zutt-man

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If you head south through Kansas on Kansas 99 Highway it will take you through the Flinthills and it is a pretty drive through ranch country. There would be many places where you could pick up flint along the road through cuts. I would suggest bringing a fire steel and hammer or better yet a very hard rock such as granite. If you find what appears to be decent flint knap off a piece and try to strike a spark. Look for knapped pieces that are shiny. They seem harder and knap sharper.
It really is a pretty part of the Flint Hills. You must be a Frozen Butt attendee?
 

Zutt-man

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I have to confess I’ve just gotten back into formal group shooting this spring after about 35 years.
I bet we don’t live too far away from each other (might even know each other). I haven’t been to a rendezvous in at least 15 years. My dad, grandfather and I belonged to a club by Beattie. Live north of Wamego now
 

1BadDart

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I checked the creek near my house yesterday, what I thought might be chert was just shale rock.
 
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Gvilleddie:
Try this place on Etsy. elementalgemstones | Etsy
I got a killer deal on 10 pounds of Flint rock chunks from these folks about 3 years ago,. They're still in business, I checked before I commented.
Good luck. I hope this helps.
God bless:
Two Feathers
do they call it something else beside flint? I looked on the site and could not find any "flint"
 

bldtrailer

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Posted before chert forms in limestone, flint in chalk . same chem comp. flint is alittle glasser
to test
1can it scratch a glass bottle?
2take a file strike the flat side does it spark(on a sharp edge)
3 will it cleave/fracture in smooth lines /edges
4 make a flint size sample and see if it shatters in the lock(to brittle)
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The grey rock is goergetown chert from texas the rock on top is also texas chert(river chert) is great at everything till the lock test way to glassy shatters on 3rd or 4th try
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it will make wonderfull arrow heads /blades
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this is what you want (unheat treated) sharp and long lasting (for me)
 

M. De Land

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These links in the above post will take you to a map of the area. This is where I found some good pieces last time, and I found some large chunks just lying on the ground on this last trip. My son picked up a few pieces of flint that he found on the ground around the parking area where he works. The flint is black-grey…exactly what I’m looking for. He said he’d start picking up any that he found that was baseball sized or larger.

I’m trying to set up a pig hunt in January, with my dad, my son and my son’s friend. So in January I’ll be heading back and pick up some more flint…it would be nice if one day I learn how to efficiently bang these rocks together to make some good quality gun flints.

View attachment 146564
Here’s an image of some pieces of the type of flint my son finds all over where he works. He grabbed small pieces to show me what he finds.
How well does it spawl? Does it need heat treated?
 

Rock Home Isle

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How well does it spawl? Does it need heat treated?
I found a chunk of flint the size of a cooler, maybe 400 lbs. I knocked a chunk off and it was pretty crystalline, so yeah that would’ve needed to be heat treated. That…and I’d need a forklift to get it off the ground.

I bet if I piled it with sand, and then built a bonfire on it…let it burn for 12-18 hours, then cool down for a week…it would be good to go. Or it would just explode while sitting in the bonfire.

The chunks I picked up this trip looked fairly good, a couple seemed to have sat on the surface for too long…making points would be hard. Gun flints, I’ll find out.

When I pick up a nodule, I look it over and hit it with the hammer to see how it flakes. Nice flakes…I keep. Most were pretty good.

When we sit down again and try to make gun flints, I’ll post again with an update to this thread.
 
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