mineral
Hematite
Iron(III) oxide (Fe2O3)
AI-generated identification · may be incorrectHardness of 5.5 to 6.5 on the Mohs scale. Color ranges from metallic gray to black or earthy red, with a metallic to dull luster and a distinctive reddish-brown streak.
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Physical properties
Hardness of 5.5 to 6.5 on the Mohs scale. Color ranges from metallic gray to black or earthy red, with a metallic to dull luster and a distinctive reddish-brown streak.
Formation & geological history
Forms in diverse environments including hydrothermal veins, sedimentary iron deposits, and volcanic settings over billions of years.
Uses & applications
Primary ore of iron for steel production, used in pigments, radiation shielding, and carved into jewelry or ornamental items.
Geological facts
Hematite is the most abundant iron oxide mineral on Earth and is also responsible for the red coloration of the Martian surface.
Field identification & locations
Easily identified by its characteristic reddish-brown streak when scratched on unglazed porcelain. Found worldwide, with major deposits in Australia, Brazil, and the USA.
