Ge
Technology Metal High Criticality

Germanium

About Germanium

Germanium is a critical technology metal essential for fiber optic networks, infrared optics, and advanced solar cells. It is transparent to infrared radiation, making it irreplaceable in military night vision and thermal imaging systems. China's dominant production position and recent export controls on germanium have elevated global supply concerns.

Primary Uses

Fiber optic systems Infrared optics and night vision Solar cell substrates Polymerization catalysts Semiconductor devices

Top Producing Countries

1 China
2 Belgium
3 Russia
4 Canada

Quick Facts

Symbol
Ge
Atomic Number
32
Category
Technology Metal
Criticality Level
High
Supply Risk
High
Top Producer
China
USGS Critical List
Listed
EU CRM List
Listed

Explore Germanium In Depth

Dive into detailed analysis across 11 key topics covering every aspect of the Germanium value chain.

Return to the full Mineral Library to explore other critical and strategic minerals.