a yellow-to-brown mineral that is a source of rare earth elements  
<noun.substance>
<noun.substance>
| bastnaesite |   | 
| bastnasite |   | 
semantic pointers
substance meronym
cerium, Ce, atomic number 58
neodymium, Nd, atomic number 60
praseodymium, Pr, atomic number 59
samarium, Sm, atomic number 62
hypernym
