oneillite

O1N1E1I1L1L1I1T1E1

noun

A trigonal-pyramidal yellowish brown mineral containing calcium, chlorine, hydrogen, iron, manganese, niobium, oxygen, silicon, sodium, and zirconium.

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Meanings

noun
  1. chemistryA trigonal-pyramidal yellowish brown mineral containing calcium, chlorine, hydrogen, iron, manganese, niobium, oxygen, silicon, sodium, and zirconium.

Origin

Named after Canadian geologist with the Geological Survey of Canada, John Johnston O'Neill (1886–1966), + -ite.

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Cite this entry
APA

oneillite. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/oneillite

MLA

“oneillite.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/oneillite. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “oneillite,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/oneillite.

Source: oneillite on Wiktionary, CC BY-SA 4.0.