Rare earths for investors
Four rare earths matter most to this story.
Minas Americas is a magnet-rich rare-earth system, with Nd, Pr, Dy and Tb at the centre of the project's strategic focus. Their four oxides are reported together as MREO.
One family, different economics
TREO is a total. The mix inside it matters.
The rare-earth family comprises the 15 lanthanides together with scandium and yttrium. Deposits and process streams can contain mixtures, but neither the family definition nor analytical presence means that all 17 will be recovered or sold.
Four magnet rare-earth oxides—Nd, Pr, Dy and Tb—are reported together as MREO. The measure identifies the magnet-relevant part of the basket, but it does not establish recovery, separation or what a customer would pay for. Scandium is treated separately in the historical reporting context; promethium is not a natural commercial mineral product.
Read the project result in context01 · BY ELEMENTStart with Nd, Pr, Dy and Tb—or browse all 17.
See what each element does, where it is commonly used and how it appears in Minas Americas reporting.
→02 · BY TECHNOLOGYStart with a motor, fibre network or medical scanner.See which rare-earth materials perform different jobs inside each technology.
→03 · BY DEPOSIT & PROCESSStart with where the element sits.Follow one element from its geological host through the process steps and evidence gates that matter to investors.
→Strategic supply context · 2024
The bottleneck tightens downstream.
China's share rises from 60% of magnet rare-earth mining to 91% of refining and 94% of sintered permanent-magnet production.
The concentration is greatest where mined material becomes separated products and finished magnets used in EVs, wind turbines, industrial motors, AI data centres, medical, aerospace and defence systems.
~50% → 94%China's share of sintered permanent-magnet production, 2005 to 2024.
How to read this. Mining and refining figures cover Nd, Pr, Dy and Tb. The magnet figure covers sintered permanent magnets. These are global industry statistics—not a Magnes production forecast, project valuation or evidence of recoverability at Minas Americas.
IEA · Rare Earth Elements · 8 April 2026 · CC BY 4.0From assay to market
Finding an element is only the first step.
Investors should ask how the element moves from a head assay to a recovered, separated and customer-qualified product.
- 01Presence
An analytical method identifies an element in sampled material.
- 02Mobilisation
A test transfers some material into solution under stated conditions.
- 03Recovery
A reproducible mass balance measures the proportion recovered.
- 04Separation
Processing produces controlled individual or grouped streams.
- 05Product
A material reaches a specification, scale and market.
Sources
Where the element and application information comes from.
Applications are representative rather than exhaustive. They describe industry uses of rare-earth materials, compounds or produced isotopes; they do not describe a product currently made by Magnes or establish that an element will be commercially recovered from Minas Americas.
- U.S. Geological Survey · Selected applications by element
- USGS · 2026 Rare Earths Mineral Commodity Summary
- USGS · 2026 Heavy Rare Earths summary · Scandium · Yttrium
- U.S. Department of Energy · Critical materials and applications
- International Energy Agency · Magnet rare earths and energy technologies
- Oak Ridge National Laboratory · Promethium context
- U.S. FDA · MRI and regulated contrast context · Lutetium-177 therapy context
- Magnes · Technical disclosure and claims boundary