gadolinite

/gad-l-uh-nahyt/US // ˈgæd l əˌnaɪt //UK // (ˈɡædəlɪˌnaɪt) //

加多列石,伽多里石,嘎多里石,加多力石

Definitions

n.名词 noun

1
- : a silicate mineral from which the rare-earth metals gadolinium, holmium, and rhenium are extracted.

In 1797 Ekeberg showed that gadolinite contained another rare earth, which was given the name yttria.
The rare earth metals are found in the minerals gadolinite, samarskite, fergusonite, euxenite and cerite.
The first of the rare earth minerals was discovered in 1794 by J. Gadolin and was named gadolinite from its discoverer.
Ytterbium, i-ter′bi-um, n. an element discovered by Marignac in gadolinite.
It is found in the minerals gadolinite, cerite, samarskite and fergusonite, and is usually obtained from cerite.