meme, the hardest things in the world: diamond, obsidian, vibranium and getting a Gentoo user to install a new piece of software
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[–] 41 points 8 months ago

Yeah obsidian is 5-5.5 on the moh's scale. It's softer than quartz. What makes it special is how sharp it can get, not how hard it is. Also, it's just really cool

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