Photo: DanielCD~commonswiki · CC BY-SA 3.0

Common iron oxide mineral (Fe₂O₃)

Properties

Chemical formula

Fe₂O₃

Group

Oxides

Crystal system

Trigonal

Hardness (Mohs)

6

Color

Metallic

Luster

—

Streak

—

Density

5,1 g/cm³

Cleavage

—

Fracture

—

Tenacity

—

Crystal habit

—

Transparency

—

Space group

R-3c

Fluorescence

—

Magnetism

—

Radioactivity

—

Refractive index

—

Optical character

—

Birefringence

—

Pleochroism

—

Strunz classification

4.CB.05

Dana classification

4.3.1.2

IMA status

Approved mineral and/or valid name (A)

IMA symbol

Hem

Locality

—

Type locality

—

Discovery year

—

Source: Wikidata