Strontium
Mined as celestite for drilling fluids, ceramic ferrite magnets and aluminum alloys.
Minor role — ferrite magnets and specialty glass.
Where it's produced
Share of 2025 world mine production (metric tons). Source: USGS MCS 2026.
Who calls it critical
Membership on each government list. “Strategic” marks a higher tier where the list has one; “group” means included as part of a group such as rare earths or PGMs.
Strontium: key questions
- Where is strontium mined or produced?
- According to USGS 2025 data, the largest producers are Iran (56%), Spain (22%) and China (18%) of world mine production. China accounts for about 18%.
- Is strontium a critical mineral?
- Strontium appears on 4 of the 10 official lists we track (European Union, Japan, South Korea, India).
- Is strontium in short supply?
- Our supply status: Adequate. null
- Why does strontium matter for AI infrastructure?
- Minor role — ferrite magnets and specialty glass.
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