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Terbium is one of the rarest and most valuable elements on the periodic table. As a “Heavy Rare Earth Element” (HREE), it possesses unique physical and magnetic properties that simply cannot be replicated by any other material. It is the secret ingredient that allows modern electric vehicle (EV) magnets to survive high temperatures and enables advanced naval sonar systems to “hear” the ocean.
As a leading UK manufacturer of high-purity rare earths, Less Common Metals (LCM) is proud to be at the forefront of the Heavy Rare Earth market. In 2024, we officially announced the expansion of our metal-making offering to include Dysprosium, Iron and Terbium. Thus, securing a critical supply chain for Western technology and defence.
| Composition | Terbium 99.9% |
| Common metallic impurities | Trace metals basis |
| Physical Description | Silvery-grey metallic lump or ingot. Piece size approximately 20 x 50 x 50 mm |
| Analytics | ICP-OES |
| Certificate of analysis | Available upon request |
| Packaging | Packed in sealed polythene bags and supplied in securely sealed metal drums, resistant to the impregnation of water |
Terbium is a silvery-white, rare-earth metal that is malleable, ductile and soft enough to be cut with a knife. It is classed as a HREE alongside Dysprosium. Because it is incredibly scarce in nature, extracting and refining Terbium requires highly advanced, complex metallurgical processes (an expertise that sits at the very core of LCM’s operations!).
Terbium is reserved for the absolute highest tiers of technological performance:
The global supply of Heavy Rare Earths like Terbium has historically been tightly concentrated overseas, creating a significant vulnerability for the Western EV and defence markets. LCM’s 2024 expansion to produce Terbium and Dysprosium Iron in the UK represents a massive strategic milestone. By bringing this capability in-house, LCM is directly fortifying the supply chain for the most critical, high-performance magnets driving the green transition.
