gadolinite

IPA: gʌdˈɑɫɪnaɪt

(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

It is found associated with gadolinite.
They also found rhenium in gadolinite and molybdenite.
Similar compositions are found in xenotime or gadolinite.
Yttria is found in gadolinite and some other rare minerals.
Gadolinite is a mineral of a nearly black color and vitreous luster.
A rare earth metal, it is found in the minerals monazite and gadolinite.
Polycrase, or an allied species, was seen implanted upon the gadolinite.
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.