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oneillite. In DICTIOUS you will not only get to know all the dictionary meanings for the word
oneillite, but we will also tell you about its etymology, its characteristics and you will know how to say
oneillite in singular and plural. Everything you need to know about the word
oneillite you have here. The definition of the word
oneillite will help you to be more precise and correct when speaking or writing your texts. Knowing the definition of
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English
Etymology
Named after Canadian geologist with the Geological Survey of Canada, John Johnston O'Neill (1886–1966), + -ite.
Noun
oneillite
- (mineralogy) A trigonal-pyramidal yellowish brown mineral containing calcium, chlorine, hydrogen, iron, manganese, niobium, oxygen, silicon, sodium, and zirconium.
Further reading
- David Barthelmy (1997–2025) “Oneillite”, in Webmineral Mineralogy Database.
- “oneillite”, in Mindat.org, Hudson Institute of Mineralogy, 2000–2025.