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

Becuse obsidian is UNBELIEVABLY sharp, like can have an edge with the width of a single molecule kinda sharp, and if you live in a area with a lot of volcanic activity [think South America, The Mediterranean and Japan] its quite easy to find

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