mineral
Hematite
Fe2O3 (Iron Oxide)
AI-generated identification · may be incorrectHardness is 5.5 to 6.5 on the Mohs scale. Color ranges from metallic gray to brownish-red, with a characteristic reddish-brown streak and metallic to dull luster.
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Physical properties
Hardness is 5.5 to 6.5 on the Mohs scale. Color ranges from metallic gray to brownish-red, with a characteristic reddish-brown streak and metallic to dull luster.
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, as well as for jewelry, ornamental carvings, and polishing compounds.
Geological facts
Hematite leaves a distinctive red streak even when the mineral itself appears metallic silver. It is also found on Mars by NASA rovers.
Field identification & locations
Identified easily by its heavy weight, dark metallic appearance, and signature reddish-brown streak on unglazed porcelain. Found worldwide.
