Photo: Raimond Spekking · CC BY-SA 4.0

Iron(III) oxide-hydroxide named in honor to the poet Goethe

Properties

Chemical formula

FeO(OH)

Group

Oxides

Crystal system

Orthorhombic

Hardness (Mohs)

—

Color

Yellow

Luster

—

Streak

—

Density

—

Cleavage

—

Fracture

—

Tenacity

—

Crystal habit

—

Transparency

—

Space group

—

Fluorescence

—

Magnetism

—

Radioactivity

—

Refractive index

—

Optical character

—

Birefringence

—

Pleochroism

—

Strunz classification

4.FD.10

Dana classification

6.1.1.2

IMA status

Approved mineral and/or valid name (A)

IMA symbol

Gth

Locality

🇩🇪 Dermbach, Herdorf

Type locality

—

Discovery year

—

Source: Wikidata