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Osmiridium
Additional recommended knowledgeOccurrenceOsmiridium is very rare, but it can be found in mines of other platinum group metals. It can be isolated by adding a piece to aqua regia, which has the ability to dissolve gold and platinum but not osmiridium. It occurs naturally as small, extremely hard, flat metallic grains with hexagonal crystal structure. UsesOsmiridium is used in making fountain pen nibs, surgical equipment, and other high-wear functions. Categories: Precious metal alloys | Iridium compounds | Osmium compounds |
This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Osmiridium". A list of authors is available in Wikipedia. |