fire obsidian

noun

A rare variety of relatively clear volcanic glass that produces a vibrant color-reflectance caused by the inclusions of magnetite nanoparticles.

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Meanings

nounfire obsidian (countable and uncountable, plural fire obsidians)

plural fire obsidians

  1. countableuncountablechemistryA rare variety of relatively clear volcanic glass that produces a vibrant color-reflectance caused by the inclusions of magnetite nanoparticles.
Cite this entry
APA

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

MLA

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

Chicago

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

Source: fire obsidian on Wiktionary, CC BY-SA 4.0.