mineral
Hematite
Iron(III) oxide (Fe2O3)
AI-generated identification · may be incorrectHardness of 5.5 to 6.5 on the Mohs scale, metallic to earthy 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 earthy luster, steel-gray to black color, and a distinctive reddish-brown streak.
Formation & geological history
Forms in diverse environments including hydrothermal veins, sedimentary iron formations, and volcanic deposits.
Uses & applications
Major ore of iron, used in pigments, jewelry, and polished ornamental stones.
Geological facts
Hematite is the most important ore of iron worldwide and has been used for cave paintings and ritual body adornment for tens of thousands of years.
Field identification & locations
Easily identified by its heavy weight, metallic gray color, and characteristic reddish-brown streak when scratched on unglazed porcelain.
