Fergusonite

Of mineral.

A dark mineral consisting of oxides of yttrium and erbium and tantalum and other minerals.

This concept's ID is @1~74084

Metal

  • erbium 0 facts

    A trivalent metallic element of the rare earth group; occurs with yttrium.

  • tantalum 0 facts

    A hard grey lustrous metallic element that is highly resistant to corrosion; occurs in...

  • Y 0 facts

    A silvery metallic element that is common in rare-earth minerals; used in magnesium and aluminum...