Main Discussion Area > Flintknapping

Knappability Scale?

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caveman2533:
It appears also that the two scales are reversed, in Callahans has the hardest at 10 and yours is at 1. If basing it on ease of knapping I would not place true flints as high as you did and High grade rhyolite and quartzite  would be a bit better than you have it.  Its gonna always be somewhat subjective as each of us will have a different experience.

JackCrafty:
Something I also consider is the platforms (should have mentioned that earlier)  : the ease of creating and using the platforms.  I placed glass below the flints because of the platforms.  Platforms on the glasses are laborious to create, are "slippery", and crush easily if not hit properly.  In contrast, the true flints are much more forgiving.  Hope that makes sense.

JackCrafty:
The paper includes a criticism of Callahan's scale.  It states that there should be a mathematical basis for the comparisons.  I don't see how that's possible.

JackCrafty:
I'm also thinking of getting even more restrictive with the material I recommend for beginners.  I think Level 7 is the best:  not higher and not lower.

I've seen a lot of new people struggle just as much with the high grade stuff (maybe even more so).

I'm going to start placing scale numbers on specific materials (like Pedernales chert, Dover chert, Fine-grained basalt, Citronel gravel, etc...) and post results soon.

mullet:
I have to agree with Marc on the quartz. Good Tallahatta and Hixton pressure flake like butter.

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