mineral
Hematite
Iron(III) oxide (Fe2O3)
AI-generated identification · may be incorrectHardness of 5.5 to 6.5 on the Mohs scale, metallic to earthy luster, reddish-brown streak, and steel-gray to black color.
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 of 5.5 to 6.5 on the Mohs scale, metallic to earthy luster, reddish-brown streak, and steel-gray to black color.
Formation & geological history
Forms in hydrothermal veins, sedimentary environments, and as an accessory mineral in igneous rocks through oxidation and deposition.
Uses & applications
Primary ore of iron, used in pigments, jewelry, and occasionally as a tumbling stone.
Geological facts
Hematite is the most important iron ore mined today and is also found on Mars, contributing to the planet's reddish hue.
Field identification & locations
Easily identified in the field by its distinct reddish-brown streak when scratched against an unglazed porcelain plate.
