As China curbs exports of the strategic and critical metalloid, America's Last Frontier reemerges as potential domestic supplier.

China's coming state-controlled restrictions on antimony exports has significantly elevated the criticality and price of this semi-metal that is already a top concern from many officials within the U.S. Department of Defense due to its use in military hardware and the dearth of antimony mines in the United States.

An element that has properties that fall between metals and non-metals, antimony has long been considered critical to the U.S. due to its use across a wide array of American industries, including the high-tech, defense, and energy sectors. Unease over reliable supplies of this metalloid, however, became more acute following Russia's invasion of Ukraine.

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