mineral
Hematite
Hematite (Fe2O3)
AI-generated identification · may be incorrectHardness of 5.5 to 6.5, metallic to dull luster, reddish-brown streak, and steel-gray to black color with no cleavage.
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Physical properties
Hardness of 5.5 to 6.5, metallic to dull luster, reddish-brown streak, and steel-gray to black color with no cleavage.
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 pigments, radiation shielding, and occasionally polished into jewelry.
Geological facts
Hematite is the most important ore of iron worldwide and is responsible for the red soils and rocks found on the planet Mars.
Field identification & locations
Easily identified in the field by its distinct reddish-brown streak and heavy weight relative to its size.
