Hematite

Fe2O3

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Hematite is the principal ore of iron and one of the most common iron minerals. Its name comes from the Greek word for blood, referring to the red color of its streak. Specular hematite has a brilliant metallic luster.

Crystal System Trigonal
Mineral Class 04 Oxides and Hydroxides
Mohs Hardness 5.0-6.5
Specific Gravity 5.00-5.30
Color Steel-gray to black, red-brown
Luster Metallic
Streak Reddish-brown
Cleavage None
Fracture Conchoidal to uneven
Transparency Opaque
Crystal Habit Tabular, botryoidal, massive, rosette

Mohs Hardness

Mohs Hardness: 5.0 – 6.5
1 Soft10 Hard

Crystal System

Trigonal

Explore on Science FYI

ChemFYI
Iron (Fe) Primary metal in Fe₂O₃
ChemFYI
Oxygen (O) Part of Fe₂O₃ formula
AlloyFYI
Carbon Steel Major iron ore source for steelmaking

Frequently Asked Questions

What is the hardness of Hematite?
Hematite has a Mohs hardness of 5.0-6.5.
What crystal system does Hematite belong to?
Hematite crystallizes in the Trigonal crystal system.
What color is Hematite?
Hematite is typically Steel-gray to black, red-brown.
What type of luster does Hematite have?
Hematite exhibits a Metallic luster.
What is the chemical formula of Hematite?
The chemical formula of Hematite is Fe2O3.