Main Discussion Area > Flintknapping

good rocks?

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Hillbilly:
Most types of chert, agate, jasper, obsidian, dacite, some petrified wood, some rhyolite, some quartzites, fine grained basalt, and a slew of other wierd stuff will knap. Some of the cherts , jaspers, and agates may need heat treating to work well. From a quick google search, looks like Idaho has a good bit of obsidian, rhyolite, and chert.

Papa Matt:
Idaho does have a lot of obsisidian. My uncle lives there and is going to send me some. You'll just have to find it, but it's there. And obsidian points and blades are some of the sharpest and most highly prized.

~~Papa Matt

Wolf Watcher:
You live in some good country for jaspers and obsidian.  Keep your eye out for mom and pop rock shops as there are a lot of them in Idaho.  You can get some quality rocks from them at a good price.  Also look for petrified wood as it makes for some beautiful points.  Try to find some local knapper and he will help with the technique and stones!  Watcher

Papa Matt:
JUST BEWARE of obsidian knock-offs, where people will sell you something else that may or MAY NOT be knappable and is not real obsidian. If it seems real cheap, be suspicious. Only buy one rock at a time and see if you can knap the first one. If it doesn't knap or is very hard to knap or does wierd things and doesn't want to flake well, it may be tempered glass. I got took a while back on some black tempered glass that was real cheap. But I'd never messed with real obsidian so I didn't know any better. Don't buy a whole bunch of rocks the first time until you try one and make sure it's the real deal. And if it's not, be sure to go back and throw it at the person who sold it to you and tell em to take their tempered glass and shove it ***********.

~~Papa Matt

stickbender:

     Papa Matt, what do you know about Montana?  I haven't seen anything that looked remotely knappable.  I will be in Thompson falls, about 11 miles from the border of Idaho.  I went down in some dry washes, and creek beds, and nothing worth a hoot.

                                                                Stick Bender

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