gadolinite
noun
Forms gadolinites
- 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.
Synonyms
Etymology
After the Finnish chemist Johan Gadolin (1760-1852), + -ite.
Webster’s 1913
- noun A mineral of a nearly black color and vitreous luster, and consisting principally of the silicates of yttrium, cerium, and iron.
Etymology [Named after Gadolin, a Russian chemist.]
Sources: Wiktionary · WordNet 3.0 · Webster’s 1913 — from the Wiktionary entry “gadolinite”, CC BY-SA 4.0. Details