Last week, China imposed export bans on antimony, gallium, and germanium—all of which are listed on China’s dual-use export control list. Other minerals on the list and, thus, at risk of future bans include aluminum, magnesium, and zinc, among others. Beyond their economic importance, many of these minerals have military applications. For example, tungsten superalloys are used in military turbines and armor-piercing munitions, while bismuth is used in ammunition and alloys for defense. With many minerals, the U.S. government…
