Mineral Name
Chemical Formula
Fe2O3
Preview
Color
reddish gray, black, blackish red, to silvery gray
Class
Article
Luster
metallic to dull/earthy
Diaphaneity
opaque
Hardness
6.5
Cleavage
None
Fracture
conchoidal
Density
5.3
Crystal Shape
blocky, tabular, to clay-like texture (earthy), rose-like plates, rhombohedral, botryoidal, specular (foliated)
Crystal System
Hexagonal
COinS
Comments
weakly magnetic