Obsidian Lithics?

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oops pardon my ignorance. still, I'm here to learn.
Isn't obsidian super sharp and used by some surgeons today? - so it'd have some trading power?

Rhiannon wrote:
oops pardon my ignorance. still, I'm here to learn.
Isn't obsidian super sharp and used by some surgeons today? - so it'd have some trading power?
I think it is . Then again flint which was far commoner was pretty sharp too .