Iron sulfide
Iron sulfide or Iron sulphide can refer to range of chemical compounds composed of iron and sulfur.
Minerals
By increasing order of stability:
- Iron(II) sulfide, FeS
- Greigite, Fe3S4
- Pyrrhotite, Fe1−xS (where x = 0 to 0.2)
- Troilite, FeS, the endmember of pyrrhotite
- Mackinawite, Fe1+xS (where x = 0 to 0.1)
- Marcasite, orthorhombic FeS2
- Pyrite, cubic FeS2 (fool's gold)
Synthetic
- Iron(III) sulfide, Fe2S3
- Iron-sulfur clusters, includes both synthetic and biological
Biological
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