Definify.com
Webster 1913 Edition
Fergusonite
Fer′gu-son-ite
,Noun.
(Min.)
A mineral of a brownish black color, essentially a tantalo-niobate of yttrium, erbium, and cerium; – so called after Robert
Ferguson
. Definition 2024
fergusonite
fergusonite
English
Noun
fergusonite (plural fergusonites)
- A mineral composed of oxides of various rare earth elements.