mineral
Hematite
Iron(III) oxide (Fe2O3)
AI-generated identification · may be incorrectHardness of 5.5 to 6.5 on the Mohs scale, metallic to dull luster, steel-gray to black color, and a distinctive reddish-brown streak.
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Physical properties
Hardness of 5.5 to 6.5 on the Mohs scale, metallic to dull luster, steel-gray to black color, and a distinctive reddish-brown streak.
Formation & geological history
Forms in diverse geological environments, particularly through aqueous processes and hydrothermal veins, dating across multiple eras.
Uses & applications
Primary ore of iron for steel production, and used in jewelry, beads, and pigments.
Geological facts
Hematite is the most important ore of iron worldwide and has been used for cave paintings and burial cosmetics for tens of thousands of years.
Field identification & locations
Easily identified by its characteristic red streak when scratched unglazed porcelain, high specific gravity, and metallic sheen.
