mineral
Hematite
Hematite (Fe2O3)
AI-generated identification · may be incorrectHardness of 5.5 to 6.5, metallic to dull earthy luster, reddish-brown streak, and uneven or conchoidal fracture.
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Physical properties
Hardness of 5.5 to 6.5, metallic to dull earthy luster, reddish-brown streak, and uneven or conchoidal fracture.
Formation & geological history
Forms in diverse geological environments, particularly hydrothermal veins, sedimentary iron formations, and volcanic settings.
Uses & applications
Primary ore of iron, used in pigments, radiation shielding, and occasionally polished for jewelry.
Geological facts
Hematite gets its name from the Greek word for blood due to its distinct reddish powder streak.
Field identification & locations
Identify by its heavy feel, dark metallic grey to brownish-black color, and characteristic reddish-brown streak.
