Original - Produced by chemical transport reaction, these osmium crystals, weighing 2.2 grams in total, are 99.99% pure. A member of the platinum group, osmium is the densest naturally occurring element, normally found as an alloy, and also one of the least abundant. Very hard and with a high melting temperature, it is used in fountain pen tips, electrical contacts, and other applications where durability is required.
Reason
excellent resolution, clear illustration
Articles in which this image appears
Osmium
Creator
Alchemist-hp

Promoted File:Osmium crystals.jpg --Makeemlighter (talk) 01:35, 26 February 2010 (UTC)[reply]