U.S. Approaches Chile for Critical Mineral Supply

Oil and gas prices are hogging headlines, but while the world watches the Middle East, U.S. officials have been busy elsewhere. Chile, the world’s biggest supplier of one particular critical mineral, is in talks with the U.S. on a supply agreement for rhenium—an element seen as vital for national security. Rhenium is a genuinely rare element that has an extremely high melting point of around 3,180 degrees Celsius, which makes it extra resistant to both heat and wear, according to the USGS. This, in turn, makes rhenium highly prized…