Rock Identifier
Hematite (Iron(III) oxide (Fe2O3)) — mineral
mineral

Hematite

Iron(III) oxide (Fe2O3)

AI-generated identification · may be incorrect

Hardness is 5.5 to 6.5 on the Mohs scale. Color ranges from metallic gray and silver to reddish-brown. Streak is distinctive reddish-brown.

Identified More mineral →
Explore Hematite in the encyclopedia →

Identify your own rocks.

Get a report just like this from any photo, free.

Physical properties

Hardness is 5.5 to 6.5 on the Mohs scale. Color ranges from metallic gray and silver to reddish-brown. Streak is distinctive reddish-brown.

Formation & geological history

Forms in diverse geological environments, particularly hydrothermal veins, sedimentary iron formations, and volcanic deposits.

Uses & applications

Primary ore of iron used in steel production. Also utilized in jewelry, pigments, and polishing compounds.

Geological facts

Hematite is the most important ore of iron on Earth and has been used by humans for prehistoric cave paintings.

Field identification & locations

Identify by its characteristic reddish-brown streak, metallic luster, and heavy weight relative to size. Found worldwide.