mineral
Hematite
Iron(III) oxide (Fe2O3)
AI-generated identification · may be incorrectHardness 5.5-6.5 on Mohs scale. Metallic to dull luster with a distinctive reddish-brown streak. Trigonal crystal system with no true cleavage.
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Physical properties
Hardness 5.5-6.5 on Mohs scale. Metallic to dull luster with a distinctive reddish-brown streak. Trigonal crystal system with no true cleavage.
Formation & geological history
Forms in hydrothermal veins, sedimentary environments, and as an accessory mineral in igneous rocks. Found globally in ancient banded iron formations.
Uses & applications
Primary ore of iron, used in jewelry, magnetic therapy items, and as a pigment in paints.
Geological facts
Hematite is the most important ore of iron on Earth and has been used by humans for prehistoric cave paintings.
Field identification & locations
Easily identified by its characteristic reddish-brown streak on unglazed porcelain and heavy metallic weight. Common worldwide.
