gadolinite

Noun
  1. A mineral that is a source of rare earths;
    Consists of silicates of iron and beryllium and cerium and yttrium and erbium (synset 114699730)
    is a type of: mineral - solid homogeneous inorganic substances occurring in nature having a definite chemical composition
    substance holonym:
    • atomic number 4, be, beryllium, glucinium - a light strong brittle grey toxic bivalent metallic element
    • atomic number 58, ce, cerium - a ductile grey metallic element of the lanthanide series; used in lighter flints; the most abundant of the rare-earth group
    • atomic number 68, er, erbium - a trivalent metallic element of the rare earth group; occurs with yttrium
    • atomic number 64, gadolinium, gd - a ductile silvery-white ductile ferromagnetic trivalent metallic element of the rare earth group
    • atomic number 67, ho, holmium - a trivalent metallic element of the rare earth group; occurs together with yttrium; forms highly magnetic compounds
    • atomic number 65, tb, terbium - a metallic element of the rare earth group; used in lasers; occurs in apatite and monazite and xenotime and ytterbite
    • atomic number 70, yb, ytterbium - a soft silvery metallic element; a rare earth of the lanthanide series; it occurs in gadolinite and monazite and xenotime
    • atomic number 39, y, yttrium - a silvery metallic element that is common in rare-earth minerals; used in magnesium and aluminum alloys
    same as: ytterbite

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