Iridium Osmiridium pen
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3D3DOsmiridium pen.
Osimiridium is a naturally occurring mixture of osmium and iridium. It's a very hard metal used in the tips of fountain pens.
Source: eBay seller tbagkdr
Contributor: Theodore Gray
Acquired: 13 January, 2010
Text Updated: 13 January, 2010
Price: $30
Size: 1"
Composition: OsIr
Iridium