Photo: Christian Rewitzer · CC BY-SA 3.0

Hydroxide mineral

Properties

Chemical formula

Mn³⁺O(OH)

Group

Oxides

Crystal system

—

Hardness (Mohs)

—

Color

Black

Luster

—

Streak

Brown

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

—

IMA status

Grandfathered mineral (G)

IMA symbol

Gro

Locality

🇺🇸 Cuyuna Range

Type locality

—

Discovery year

—

Source: Wikidata