Tetragonal Iron Sulfide

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Science  31 Aug 1962:
Vol. 137, Issue 3531, pp. 669
DOI: 10.1126/science.137.3531.669-a


Studies of synthetic iron sulfides formed from aqueous solution at 25°C and atmospheric pressure have revealed the existence of a new phase, tetragonal FeS. This phase is formed as the initial corrosion product of metallic iron or steel in solutions of hydrogen sulfide. It has been discovered as an iron corrosion product in the sediments of the Mystic River at Boston, Massachusetts.