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Post by arappaho on Feb 3, 2009 22:53:52 GMT -5
I've been talking with one of the knappers from last years Knap-In about this years get together. He sent me a pic of a couple of the points he has made out of the heat-treated Sav. River chert he got from me last year. Thought y'all might like a look. The top left and bottom one are the heat-treated chert.  The other one, on the right, is made out of Tallahatta Quartzite, which is the predominant material used in the south-western, lower coastal plain of Alabama. The major outcrops of this quartzite are in Choctaw and Clarke Counties, Alabama. Joe |
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Post by amythestguy on Feb 3, 2009 23:01:57 GMT -5
What was the purpose of heat treating it, if you don't mind me asking? To make it stronger? I am sure he was happy with what he got from you. good stuff man
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Post by arappaho on Feb 3, 2009 23:12:52 GMT -5
Actually, you have to heat this stuff twice. The first time is to get all the water out of it, and the second time, a little hotter, to alter it and make it more knappable. If you try to do it all in one heating you end up with alot of small slivers and pieces. Heating it basically makes it harder which gives you more control when knapping. I made so many little slivers and pieces while experimenting with heating this stuff it may be time to make a trip back down there sometime soon.  |
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Post by saskrock on Feb 4, 2009 0:54:15 GMT -5
Those are some great points. I have tried a few times and have mainly made shards. Your friend has some real talent.
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Post by indyme2 on Feb 5, 2009 21:18:16 GMT -5
Heat treating brings out nice colors too.
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Post by Chigoe on Feb 5, 2009 21:41:01 GMT -5
Nice beautiful points. Very good work. The water in that stuff is what must make it pop like pop corn when I throw pieces of it in the fire, huh? ;D
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Post by di66er on Feb 6, 2009 22:52:42 GMT -5
That guy sure does a nice job they are amazing. Have heard that knappers use heat treated rock never knew why till now ... thanks!
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Post by sabre52 on Feb 7, 2009 19:57:13 GMT -5
Great looking points! I've been watching some videos and will definitly have to learn how to knap flint. Shoot, I live on top of a mountain of it. May as well learn how to work it....Mel
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Post by colorshapetexture on Feb 7, 2009 20:05:08 GMT -5
Joe how thick did he get um? Take better pictures please.. And more of um..m...... Me
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Post by arappaho on Feb 7, 2009 22:42:10 GMT -5
Sorry, Jim. That's the only pic he sent me. I haven't seen them in person, but I doubt they're too awfully thick.  I'm trying to get a batch busted up for firing but I keep getting drawn into the vugs. There's all kinds of stuff going on in them vugs. ;D Mel, I would love to see some pics of samples of the material you're sitting on sometime. And if you start trying your hand at knapping you'll need gloves, glasses, and a box of bandaids. Joe |
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Post by scott on Feb 16, 2009 16:25:33 GMT -5
and a blood bank.
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Post by colorshapetexture on Feb 16, 2009 20:16:15 GMT -5
And a skin graft for your knuckles.
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I'm trying to get 