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Rare Earths

Powering Technology

Rare earths play a vital role in powering clean energy and the manufacturing of high technology solutions. Belonging to the lanthanide series of elements on the periodic table, most of these were discovered in the last 120 years. Rare earths are broadly divided in to light and heavy. This distinction is important as each varies greatly in terms of natural occurrence, end-use applications and supply/demand drivers. The Browns Range Project is abundant in heavy rare earths, in particular the high value element of dysprosium.


What is dysprosium?

An essential element in the production of NdFeB permanent magnets. Dysprosium makes magnets long lasting and able to retain efficiency at extremely high temperatures, critical in the production of:

  • Hybrid and electric vehicles
  • Wind turbines
  • Miniaturisation electronics
  • Radiation detection equipment
  • Refractive glass material


What is lutetium?

One of the least abundant rare earth elements and is essential in the production of:

  •  Detectors used in PET scanners
  • Catalysts in the chemical industry

Using lutetium in PET scanners delivers superior performance by increasing detection efficiency and shortening scan times reducing patient’s exposure to radiation.


What is terbium?

Is one of the rarest of the lanthanides and is often substituted with dysprosium, due to the similar physical and chemical properties. It is used for the coloured phosphors it produces and in permanent magnets, in the production of:

  • Actuators and sonar transceivers
  • Xray screens
  • Hybrid cars and wind turbines
  • Stabiliser in fuel cells
  • Televisions