Photo: Henk Smeets – tomeikminerals.com · CC BY 4.0

Sulfate mineral

Properties

Chemical formula

Al₄(SO₄)(OH)₁₀·4H₂O

Group

Sulfates

Crystal system

Monoclinic

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

7.DD.05

Dana classification

—

IMA status

Grandfathered mineral (G)

IMA symbol

Fsb

Locality

—

Type locality

—

Discovery year

—

Source: Wikidata