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Angola bans exports of quartz and gypsum under a 2024 policy in force January 2026
Quartz is used in semiconductor manufacturing and specialty glass, while gypsum is a primary input for wallboard and cement in construction. Angola's export ban on both materials, in force as of January 2026, restricts access for foreign buyers who had been sourcing quartz and gypsum from Angola.
Vietnam bans exports of raw iron, lead-zinc, chromite, manganese, apatite, rare earths, and deeply processed titanium
Vietnam's export ban, in force as of January 2026, covers a range of raw and semi-processed materials that feed into steel, electronics, fertilizer, and advanced manufacturing supply chains worldwide. Buyers outside Vietnam who previously sourced these materials from Vietnamese exporters must find alternative supply or use more processed forms of the materials.
Indonesia holds 760,000 metric tons of cobalt reserves in 2025
Cobalt is a critical component in lithium-ion batteries used in electric vehicles and portable electronics. Indonesia's reserves of 760,000 metric tons in 2025 position it as a country with a substantial cobalt resource that is relevant to the global battery supply chain.
Greece holds 280,000 thousand metric tons of magnesium compound reserves in 2025
Magnesium compounds are used in refractories that line high-temperature furnaces in steel and cement production, as well as in agriculture and environmental applications. Greece's reserves of 280,000 thousand metric tons in 2025 represent one of the larger national stockpiles of this industrial mineral.
Uzbekistan holds 100,000 thousand metric tons of phosphate rock reserves in 2025
Phosphate rock is the primary raw material for fertilizers that support global food production, and known reserves determine how long a country can sustain or expand its role as a supplier. Uzbekistan's reserves of 100,000 thousand metric tons recorded in 2025 place it among the countries with a significant long-term phosphate resource base.
The U.S. imports 100% of its scandium consumption in 2025
Scandium is used to strengthen aluminum alloys for aerospace and sporting goods, and in solid oxide fuel cells. With a net import reliance of 100% of apparent consumption in 2025, the United States has no domestic scandium production and must source the material entirely from other countries.
The U.S. imports 100% of its arsenic consumption in 2025
Arsenic is used in wood preservatives, semiconductors, and certain glass manufacturing processes. The United States has a net import reliance of 100% of apparent consumption in 2025, meaning no domestic arsenic is produced and the country depends entirely on foreign sources for a material embedded in several industrial supply chains.
The U.S. imports 100% of its strontium consumption in 2025
Strontium compounds are used in pyrotechnics, specialty glass for television screens, and some ferrite magnets. A net import reliance of 100% of apparent consumption in 2025 means the United States produces no strontium domestically and any disruption to foreign supply has an immediate effect on industries that use it.
South Africa mines 71% of the world's platinum in 2025
Platinum is used in catalytic converters, fuel cells, and industrial chemical processes, and has no direct substitute in many of those applications. South Africa's 71% share of world platinum production in 2025 means that events affecting South African mining operations can rapidly affect platinum availability for industries worldwide.
China supplies 75% of the world's vanadium in 2025
Vanadium is added to steel to increase strength and is used in large-scale vanadium redox flow batteries for energy storage. China's 75% share of world vanadium production in 2025 means that steelmakers and battery manufacturers in other countries are heavily dependent on a single national source.
China accounts for 87% of world silicon production in 2025
Silicon is a foundational material for electronics, solar panels, and construction materials such as silicones and sealants. With China supplying 87% of world production in 2025, manufacturers outside China that rely on silicon face limited alternative sources if supply from China is reduced.
China produces 60% of the world's fluorspar in 2025
Fluorspar is a mineral used to make hydrofluoric acid, which in turn is essential for producing refrigerants, aluminum, and semiconductors. When 60% of world fluorspar production comes from China in 2025, disruptions to Chinese output or exports have direct consequences for those downstream industries everywhere else.
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US Department of Energy names helium to critical materials list
Global demand for helium is growing faster than production, increasing supply risks for American manufacturers, DOE said.