Photo: Koreller · CC BY-SA 4.0

Layered aluminosilicate 1:1 clay mineral

Properties

Chemical formula

Al₂Si₂O₅(OH)₄

Group

Silicates

Crystal system

Triclinic

Hardness (Mohs)

1

Color

White

Luster

—

Streak

White

Density

—

Cleavage

—

Fracture

—

Tenacity

—

Crystal habit

—

Transparency

—

Space group

—

Fluorescence

—

Magnetism

—

Radioactivity

—

Refractive index

—

Optical character

—

Birefringence

—

Pleochroism

—

Strunz classification

9.ED.05

Dana classification

—

IMA status

Approved mineral and/or valid name (A)

IMA symbol

Kln

Locality

—

Type locality

—

Discovery year

—

Source: Wikidata