greigite

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English[edit]

English Wikipedia has an article on:
Wikipedia

Etymology[edit]

From Joseph W. Greig, American mineralogist, +‎ -ite.

Noun[edit]

greigite (uncountable)

  1. (mineralogy) A magnetic form of iron sulfide, Fe2+Fe3+2S4, analogous to magnetite, produced by microorganisms and found in lake sediments; Note: half the iron ions are ferrous and half ferric.

Further reading[edit]

  • David Barthelmy (1997–2024) “Greigite”, in Webmineral Mineralogy Database.
  • “greigite”, in Mindat.org‎[1], Hudson Institute of Mineralogy, 2000–2024.
  • OED 2006
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