noun
- A common iron oxyhydroxide mineral, FeO(OH), typically brown or yellow in color, used as an ore of iron and as a pigment.
Usage: mineralogy; Also spelled 'gothite' (less common variant)
Examples
- Goethite is one of the most abundant iron minerals found in nature.
- The yellow-brown color of goethite makes it useful as a natural pigment in paints.
- Geologists identified goethite deposits in the weathered iron ore samples.
- Goethite forms through the oxidation and hydration of iron-rich minerals.
- The museum's mineral collection included a well-preserved specimen of goethite.