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im a starter in need of help

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mitchman:
sure i can post pics latter tonight im going to the rock store  today to get some materials. any special rocks you recommend.

mitchman:
HERES SOME PICS. I BOUGHT SOME JASPER AND I THINK ITS A BEUTIFUL ROCK. THE ROCK STORE OWNER IS REALLY NICE AND LET ME BRAKE SOME ROCKS IN ORDER TO DECIDE WHAT I WANT I TOOK A OBSIDIAN PIECE AND SOME OTHER COOL LOOKIN JASPER LIKE ROCK. HERE ARE SOME PICS OF THE RHYOLITE AND A PIECE OF THE JASPER I HAVE BEEN TRYING TO WORK. ITS PRETTY HARD TO BRAKE IN SOME PARTS. AND THERE ARE LOTS OF HINGES IN THE TOUGH PLACES.  BUT I LIKE WORKING WITH THIS STUFF. I WILL TRY THE OBSIDIAN LATER. TELL ME WHAT YOU THINK. ANY RECOMENDATIONS ON WHAT IM DOING WRONG. PLEASE GIVE ME SOME CRITISIZM AND HELP.

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mullet:
Most Jasper you would be better off heat treating. You need to buddy up with Hillbilly.He's used to beating concrete's first cousin. ;)

mitchman:
thanks

Hillbilly:
That's some pretty tough looking stuff, looks like porphyritic rhyolite (rhyolite containing phenocrysts of quartz, feldspar, pyrite and such), some of which is pretty hard to knap, and some of which isquite  knappable. From what I can find, the prehistoric people in New England used Kineo Rhyolite extensively, so it may be decent stuff.  Tell you what, if you're interested, I'll trade you a couple good chunks of obsidian or something for a couple good chunks of that stuff-that way I can beat on some of it and can give you some better advice on working it.

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