English Explanatory Dictionary

greigite

English dictionary entry

Meanings

noun
  1. 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.

Word forms

greigite

Etymology

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

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