RockVault
Hematite

Image: James St. John (CC BY 2.0)

trigonalcommonOxides

Hematite

Fe2O3

This specimen displays a botryoidal to reniform habit, characterized by a reddish-brown color with an iridescent, somewhat metallic sheen.

Hematite Physical Properties

Mohs Hardness

6

Crystal System

trigonal

Luster

metallic

Streak Color

reddish-brown

Cleavage

none

Fracture

uneven

Specific Gravity

5.26

Colors

steel-gray, black, reddish-brown, red

Transparency

opaque

Type Locality

Tennessee, USA

Mineral Group

Oxides

Uses

iron ore, pigment, jewelry, polishing agent

Associated Minerals

quartz, magnetite, goethite, limonite

Rarity

common

Geological Context

Hematite is a common iron oxide mineral found in various geological settings, including sedimentary deposits (e.g., banded iron formations), metamorphic rocks, and hydrothermal veins.