
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
6Crystal System
trigonalLuster
metallicStreak Color
reddish-brownCleavage
noneFracture
unevenSpecific Gravity
5.26Colors
steel-gray, black, reddish-brown, redTransparency
opaqueType Locality
Tennessee, USAMineral Group
OxidesUses
iron ore, pigment, jewelry, polishing agentAssociated Minerals
quartz, magnetite, goethite, limoniteRarity
commonGeological 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.