fergusonite

noun
fer·​gu·​son·​ite | \ ˈfərgəsəˌnīt \
plural -s

Definition of fergusonite

: a brownish black mineral (Y,Er,Ce,Fe,)(Nb,Ta,Ti)O4 consisting essentially of an oxide of yttrium, erbium, niobium, and tantalum with other metals often including uranium and isomorphous with formanite (hardness 5.5–6)

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History and Etymology for fergusonite

Robert Ferguson †1865 Scottish physician + English -ite

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Dictionary Entries Near fergusonite

ferghanite

fergusonite

feria

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Cite this Entry

“Fergusonite.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fergusonite. Accessed 28 May. 2022.

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