Why is obsidian used for so many weapons even though it is very fragile?

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I’ve been coming across videos of people breaking obsidian chunks to make arrowheads but could never find the answer why it could be broken with light hits with a rock, and then not break when in use with said weapon.

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Anonymous 0 Comments

It might not break because flesh is softer than rock so an obsidian axe can last multiple hits. Also arrows don’t necessarily need to be reused so being sharp outweighs it’s brittleness.

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