mineral
Hematite
Iron(III) oxide (Fe2O3)
AI-generated identification · may be incorrectHardness of 5.5-6.5 on the Mohs scale, metallic to dull luster, steel-gray to black color, and exhibits a characteristic reddish-brown streak.
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Physical properties
Hardness of 5.5-6.5 on the Mohs scale, metallic to dull luster, steel-gray to black color, and exhibits a characteristic reddish-brown streak.
Formation & geological history
Forms in diverse environments including hydrothermal veins, sedimentary iron formations, and volcanic areas, often dating from the Precambrian to present.
Uses & applications
Extensively used as the primary ore of iron, in pigments, radiation shielding, and fashioned into polished gemstones or beads for jewelry.
Geological facts
Hematite is the most important ore of iron worldwide and has been used by humans for cave paintings and amulets for tens of thousands of years.
Field identification & locations
Readily identified by its distinctive reddish-brown streak, metallic sheen, and high specific gravity; commonly found globally in banded iron formations.
