
Image: James St. John (CC BY 2.0)
trigonalcommonOxides
Hematite
Fe2O3
This specimen displays a dark, metallic to submetallic luster, characteristic of hematite, possibly exhibiting a botryoidal or reniform habit.
Hematite Physical Properties
Mohs Hardness
5.5Crystal System
trigonalLuster
metallicStreak Color
reddish-brownCleavage
noneFracture
unevenSpecific Gravity
5.26Colors
steel-gray, black, reddish-brown, redTransparency
opaqueType Locality
possibly from Tennessee, USAMineral Group
OxidesUses
iron ore, pigment, jewelry, polishing agentAssociated Minerals
quartz, magnetite, goethite, jasperRarity
commonGeological Context
Hematite is a common iron oxide mineral found in various geological settings, including sedimentary deposits (banded iron formations), hydrothermal veins, and as an alteration product in igneous and metamorphic rocks.