Spectrum Rare Earths Limited (ASX: SPX) – $0.025

11 Nov 2014

Spectrum Rare Earths has received results from metallurgical test work at the Skyfall Project located approximately 200km south of Darwin in the Northern Territory.


The test work has identified a simple flotation route for production of a magnetic end use rare earth chemical concentrate.


Highlights from the early stage of testing include:

  • First step – Production of a mineral concentrate through beneficiation.
  • Second step – Successful acid leaching of the mineral concentrate.
  • Third step – Production of an intermediate chemical concentrate oxalate precipitate (Figure 1).


Skyfall has a unique rare earth mix providing it with the potential to produce both the light rare earths such as neodymium and the heavy rare earths such as dysprosium and terbium.


The company is now targeting a 10% total rare earth oxide concentrate grade with results expected in the coming weeks.


SPX Skyfall oxalate precipitate

Figure 1. Skyfall’s first oxalate precipitate


For further details, visit www.spectrumrareearths.com.au



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