noun
- Plural of haematite; iron oxide minerals that are the primary ore of iron, typically dark gray or reddish-brown in color.
Usage: Also spelled hematites in U.S. English; Geological/mineralogical term
Examples
- The geologist identified several haematites in the rock sample.
- Haematites are commonly found in sedimentary deposits around the world.
- Ancient peoples used haematites as a pigment for red ochre.
- The mine produces large quantities of haematites for steel manufacturing.
- Haematites have a metallic luster and are often used in jewelry and decorative objects.