Why is osmium so expensive ? ? ?

I want to craft an osmium anvil to drop it on the head of my enemies, because it's such a dense material.
But it's too expensive.
So what material is cheaper and can be used for my anvil?
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On 16 Nov 2004 20:27:43 -0800, mallet snipped-for-privacy@yahoo.co.in (Hans-Marc Olsen) wrote:

Denser then Osmium. Your head, you stupid trolling fuck.
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