euxenite
Noun
Meaning
A brownish black mineral with a metallic luster, found in Norway. It contains niobium, titanium, yttrium, and uranium, with some other metals.
Source: Webster's dictionarySynonyms
columbite
ytterbium
gadolinite
fergusonite
niobite
allanite
cerite
lanthanite
fluocerite
bastnasite
hollandite
ferrocolumbite
kainosite
columbite-tantalite
keilhauite
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