How to Use iron sulfide in a Sentence

iron sulfide

noun
  • The hydrogen sulfide reacts with the iron content of the egg yolk, which precipitates into iron sulfide, a green-colored mineral.
    — Taylor Tobin, Southern Living, 2 Apr. 2026
  • The features are likely due to the presence of ferrous iron phosphate and iron sulfide, or the minerals vivianite and greigite, according to the researchers.
    — Ashley Strickland, CNN Money, 10 Sep. 2025
  • Chemical reactions involving the hematite can turn the rock from red to white and produce iron rich minerals, in this case an iron phosphate called vivianite and an iron sulfide called greigite.
    — Keith Cooper, Space.com, 1 Oct. 2025
  • More strikingly, scientists recently reported signs of vivianite (an iron phosphate) and greigite (an iron sulfide).
    — Sharmila Kuthunur, Space.com, 3 Oct. 2025
  • These spots are concentric reaction fronts – places where chemical and physical reactions occur – enriched in the minerals vivianite, which contains iron phosphate, and greigite, which is made of iron sulfide.
    — Amy J. Williams, The Conversation, 12 Sep. 2025
  • Perseverance’s measurements suggested the speckles contained the minerals vivianite, an iron phosphate, and greigite, an iron sulfide—and that both formed in close association with organic carbon.
    — Humberto Basilio, Scientific American, 9 Sep. 2025
  • According to a 2020 study published in Nature Communications, which compared populations from different vent fields, the scaly-foot gastropod’s iron sulfide mineralization is biologically controlled and tied to gene expression.
    — Scott Travers, Forbes.com, 30 Jan. 2026

Some of these examples are programmatically compiled from various online sources to illustrate current usage of the word 'iron sulfide.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

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