gadolinite
IPA: gʌdˈɑɫɪnaɪt
noun
- (mineralogy) A dark, vitreous mineral that is a complex mixture of silicates of cerium, lanthanum, neodymium, yttrium, beryllium, and iron, with the chemical formula (Ce,La,Nd,Y)₂FeBe₂Si₂O₁₀.
Examples of "gadolinite" in Sentences
- Yttria is found in gadolinite and some other rare minerals.
- In this mineral - later called gadolinite, after him - he had found a hitherto unknown earth, the so-called yttria.
- In 1879 a Swedish chemist named Lars Fredrik Nilson was looking for rare earth elements in the minerals euxenite and gadolinite when he discovered erbium and ytterbium; scandium was later separated from the ytterbium.