释义 |
gad·o·lin·ite \ˈgadələˌnīt\ noun (-s) Etymology: German gadolinit, from Johann Gadolin died 1852 Finn. chemist + German -it -ite : a mineral mainly Be2FeY4Si2O13 that is a source of rare earths and consists of a black or brown vitreous silicate of iron, beryllium, yttrium, cerium, and erbium (hardness 6.5-7, specific gravity 4-4.5) |