gadolinite, n.
(gadolinites)
(gadolinites)
 a mineral that is a source of rare earths; consists of silicates of iron and beryllium and cerium and yttrium and erbium
a mineral that is a source of rare earths; consists of silicates of iron and beryllium and cerium and yttrium and erbium  
<noun.substance>
gadolinite ytterbite
 
 a mineral that is a source of rare earths; consists of silicates of iron and beryllium and cerium and yttrium and erbium
a mineral that is a source of rare earths; consists of silicates of iron and beryllium and cerium and yttrium and erbium