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Home » Minerals » Hematite

Hematite


Mineral Properties and Uses



Physical Properties of Hematite

Chemical Classification oxide
Color steel gray to black, reddish brown to black
Streak red to reddish brown
Luster metallic
Diaphaneity opaque
Cleavage none
Mohs Hardness 5 to 6
Specific Gravity 5.26
Diagnostic Properties steak
Chemical Composition iron(III) oxide, Fe2O3, a-Fe2O3
Crystal System hexagonal
Uses ore of iron, pigment


Banded Iron
Banded Iron Formation: Close-up of a banded iron formation. In this specimen bands of hematite (silver) alternate with bands of jasper (red). This photo spans an area of rock about one foot wide. Photo taken by André Karwath, GNU Free Documentation License.



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Iron Ore
Iron Ore: A specimen of oolitic hematite iron ore. The specimen shown is about two inches (five centimeters) across.




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