As an alloy mixed with osmium (“osmiridium”), it was first used in the early 1830s to tip fountain pen nibs. Investors can either buy and trade stock in these companies, or pour in money in funds that invest in similar companies. These included Lonmin, Impala Platinum, and Anglo Platinum. During the early 2010s when the price was heating up, the primary investors who benefited were the ones who had bought stock in the iridium-producing companies. Very rarely do people invest in iridium, as it is considered a minor element. That’s why currently the price of iridium is about $520 per ounce. Today, many manufacturers of LED screens now use cheaper fluorescent material instead. It was actual industrial demand that dictated the price instead. So in other words, it wasn’t speculation that was sustaining the increase in the price of the metal. The price of iridium broke the $1,000-mark per ounce by 2011. By 2011, the demand for this metal was for 194,000 ounces and that was 27 times what it was back in 2009. Ir192 has a spectrum of 6 possible energies, ranging from 200 Kev to 600 Kev.
Electron capture is responsible for the remaining 4 of Ir192 decays. Some of the particles are captured by other Ir192 nuclei, which are then converted to Os192. The metal become highly valuable as flat screen TVs and tablets became more popular. About 96 of Ir192 decays occur via emission of (beta) and (gamma) radiation, leading to Pr192. It was due to the increasing popularity of LED screens. But that changed in the early 2010s when demand for this metal suddenly increased. it can be seen from table 5 that, when the thickness of the irradiated metal disk of natural iridium is up to 40 µm, the yield of the induced activity of 192 ir decreases to 25.5 and, at a thickness of 120 µm, the yield of the induced activity of 192 ir decreases to 86 i.e. In the early 2000s, its price gradually decreased because the supply was too much for the relatively lower demand. But in general, unlike gold it’s not used as a hedge against inflation. Its price fluctuates depending on any changes in the production, demand, speculation, and hoarding of the metal. It is considered one of the rarest metals in the world, and with its comparatively small volume in the market (when compared to other industrial metals like copter and aluminum) has made its price very unstable. The price of iridium is tied to its industrial usage.
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