Osmiridium pen | |||
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Osmiridium 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 | |||
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