Main Discussion Area > Flintknapping
A Classic experiment
Stringman:
Had a follow up conversation with Joe the other day and in the end he decided to ship his rock to me. He isn't confident that he will make it this year, but still wanted to contribute so I told him I would process his rock and send it to the next person when we decide who that is.
He also thought to make copies of a heat treating booklet he's had for a few years and sent that for me to hand out at the classic. This appears to be authored by Waldorf and although I haven't read it yet, should be very helpful for those who don't yet fully understand the heating process. I will have it with me at the classic so just let me know if you want one.
Wolf Watcher:
I learned from J B Solberger years ago that often times a full sized rock will cook at a lower themp than its spalls so I hope you fellows will try a couple complete rocks. It has worked for me in the past. The heat treated Texas rock he used to send to me would change colors depending what oxides it contained. I used to find a lot of chips that were a completely different color than any local material. When I finally started cooking the local jasper it would change into the color I always found in the chipping grounds. It really makes me sad that I will have to miss this year's classic so am asking all you guys to have a good time for me! Joe
mullet:
I'll leave some of the coral whole, Joe just to try it.
Scott, I got this from Cowboy years ago and it has worked for me until I got a kiln. A twenty # bag of charcoal all night seems to work really good for the lesser cherts and coral. We do have some coral that has to be heated at higher Temp's but it doesn't knap as well to me.
This is the way he has done it or his Texas rock.
Stringman:
Getting close fellers! Hope you all have your spalls ready to send.
mullet:
I did, but couldn't help myself when Parnell spent the weekend. I ran a batch of coral and Washington Agate through the kiln. I still have coral to spall, though.
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