pipe opals

A form of pipe opal — Opal formed in an unusual tubular shape, mainly in sandstone.

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Meanings

noun
  1. pluralplural of pipe opal.
Cite this entry
APA

pipe opals. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/pipe%20opals

MLA

“pipe opals.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/pipe%20opals. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “pipe opals,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/pipe%20opals.

Source: pipe opals on Wiktionary, CC BY-SA 4.0.