Photo: Masashi Ookawa · CC BY 3.0

Phyllosilicate mineral found in soils formed from volcanic ash

Properties

Chemical formula

Al₂SiO₃(OH)₄

Group

Silicates

Crystal system

—

Hardness (Mohs)

—

Color

White

Luster

—

Streak

—

Density

—

Cleavage

—

Fracture

—

Tenacity

—

Crystal habit

—

Transparency

—

Space group

—

Fluorescence

—

Magnetism

—

Radioactivity

—

Refractive index

—

Optical character

—

Birefringence

—

Pleochroism

—

Strunz classification

9.ED.20

Dana classification

71.1.5.3

IMA status

Redefined mineral (Rd)

IMA symbol

Imo

Locality

—

Type locality

—

Discovery year

—

Source: Wikidata