Cesium
About Cesium
Cesium is a soft, gold-colored alkali metal most notable for its use in atomic clocks, which form the basis of GPS satellite navigation and global telecommunications timing. Supply is extremely concentrated, with only a handful of mines worldwide. Cesium formate brines are also used as high-density drilling fluids in the oil and gas industry.
Primary Uses
Top Producing Countries
Quick Facts
- Symbol
- Cs
- Atomic Number
- 55
- Category
- Specialty Metal
- Criticality Level
- High
- Supply Risk
- High
- Top Producer
- Canada
- USGS Critical List
- Listed
- EU CRM List
- Listed
Explore Cesium In Depth
Dive into detailed analysis across 11 key topics covering every aspect of the Cesium value chain.
Uses & Applications
Discover the primary industrial, technological, and commercial applications of Cesium across key sectors.
Supply Chain
Trace the Cesium supply chain from mine to market, including key intermediaries, processing hubs, and trade flows.
Mining & Processing
Learn how Cesium is extracted, concentrated, and processed into usable forms for downstream industries.
Refining & Grade Specs
Explore the refining methods, purity grades, and technical specifications that define Cesium products.
Recycling
Assess the recycling potential, current recovery rates, and circular economy opportunities for Cesium.
Substitutes
Evaluate possible substitutes and alternative materials that could reduce dependence on Cesium.
Investing
Understand the investment landscape for Cesium, including equities, ETFs, futures, and direct exposure strategies.
Price
Analyze Cesium pricing mechanisms, historical trends, benchmarks, and the factors that drive market volatility.
Companies
Identify the major miners, processors, and technology companies involved in the Cesium value chain.
Projects
Review the significant mining and processing projects shaping the future supply of Cesium worldwide.
Risks
Examine the supply risks, geopolitical vulnerabilities, and strategic concerns associated with Cesium.
Return to the full Mineral Library to explore other critical and strategic minerals.