Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Principal habits (morphologies) of iron oxides according to Cornell and Schwertmann [91].
| Iron Oxide | Morphology |
|---|---|
| Lepidocrocite (γ-FeOOH) | Laths |
| Goethite (α-FeOOH) | Acicular |
| Akaganeite (β-FeOOH) | Rods, somatoids |
| Feroxyhyte (δ-FeOOH) | Plates |
| Magnetite (Fe3O4) | Octohedra |
| Maghemite (γ-Fe2O3) | Laths or cubes |
| Hematite (α-Fe2O3) | Hexagonal plates, rhombohedra |
| Ferrihydrite (Fe5HO8·4H2O) | Spheres |
