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A platinum iridium ring is a heavy, durable wedding band made from a high-density precious metal. This metal is often alloyed with ruthenium or cobalt to make it stronger and more malleable, making it the perfect choice for a wedding ring.
Iridium is a chemical element with the symbol Ir and an atomic number of 77, which ranks it as the second densest of the platinum group metals (PGM). It occurs naturally in alluvial deposits in nature, and as a by-product of nickel mining. It is a siderophile (iron-loving) element that forms a few naturally occurring complexes and compounds.
It is the most corrosion-resistant pure metal known to science, being resistant to salts and oxides, while only being susceptible to molten sodium chloride. It is used in a wide range of applications, including high-temperature apparatuses and electrical contacts, as well as a hardening agent for platinum alloys.
The most important use of iridium is in iridium-platinum alloys, where its corrosion-resistant properties are particularly useful. Iridium-platinum alloys are widely used in jewelry, pen points, surgical pins and pivots, as well as in electrical contacts and sparking points.
platinum iridium rings are a popular choice for engagement and wedding bands. Typically, they are comprised of PL950 platinum and 5% iridium, or a combination of PL950 and ruthenium.
Iridium is a rare, dense, and durable metal that is one of the highest-density elements in the periodic table. Because of its exceptional durability and hardness, it is a valuable addition to any investment portfolio. Prices have steadily increased over the past several years, and it is expected to reach $2,000 USD/oz in 2020.
