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.
In: 564
Because it’s incredibly sharp.
It’s used in arrowheads because you don’t need to worry about them breaking; you need em to penetrate.
It’s used in daggers because it holds an edge for a long time; good for piercing and slicing.
Obsidian isn’t used in many large weapons because of how brittle it is. Obsidian “swords” are just clubs with easily-detached obsidian razors along the side.
In most cultures where obsidian tools were common, obsidian was also the only naturally occurring blade material side from stone (without metal, that makes it very useful)
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