Some of the most precious and valuable elements on Earth are buried deep beneath the surface, just waiting to be found. While diamonds, gold and silver are the first that come to mind, lesser known, exotic elements like neodymium, a rare earth magnet, may be the most invaluable of all. It isn’t shiny or beautiful, but this silvery-grey magnet is expensive and highly sought after. Miners crawl deep into open pit mines, thousands of feet below the surface and appear with truckloads of the unimpressive looking chunks of metal. The raw element is shipped in large steel barrels to a manufacturing facility, where it is finely ground into powder and pressed into high temperature molds. Neodymium exhibits some extraordinary and unusual properties. When compounded with iron and boron, this magnet creates a magnetic field up to 25 times more powerful than those made from standard ferrites. It has exceptional resistance to demagnetization, and very small volumes provide the best performance of any magnet out there.
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