mineral
Hematite
Hematite (Fe2O3)
AI-generated identification · may be incorrectHardness of 5.5 to 6.5 on the Mohs scale, dark grey to reddish-brown color, metallic to submetallic luster, and a characteristic reddish-brown streak.
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Physical properties
Hardness of 5.5 to 6.5 on the Mohs scale, dark grey to reddish-brown color, metallic to submetallic luster, and a characteristic reddish-brown streak.
Formation & geological history
Forms in diverse geological environments, particularly hydrothermal veins, sedimentary iron formations, and volcanic deposits over millions of years.
Uses & applications
Primary ore of iron for steel production, also used in pigments, radiation shielding, and ornamental jewelry.
Geological facts
Hematite is the most important ore of iron worldwide and has been used by humans for cave paintings and pigments for tens of thousands of years.
Field identification & locations
Easily identified in the field by its distinct reddish-brown streak when scratched against unglazed porcelain. Common worldwide.
