Erbium source

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• 
  Radioactive

  Fergusonite-(Y) Crystal Cluster, J.G. Gole Quarry, Ontario, Canada – Yttrium Ore

  $75.00 Add to cart
• 
  Radioactive

  Fergusonite-(Y) Crystal, 8 Grams, J.G. Gole Quarry, Ontario, Canada – Yttrium Ore

  $35.00 Add to cart
• 
  Radioactive

  REE Assortment: Allanite-(Ce), Betafite, Davidite-(Ce), Fergusonite-(y), and Samarskite-(y)

  $69.00 Add to cart