This is one of the Edwards Plateau Cherts. This one is called Pedernales. This rock was a flat slab, two inches thick. That makes it easy to cut up. I have about half a ton of Edwards cherts and a lot of it requires no heat. I took a test flake on one of the slabs and it's ready to knap. Best part: It's an inexpensive rock. Some of these slabs are over six inches long and will make nice knife blades.
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Beautiful Edwards Slabs
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