Photo: Joan Rosell (RosellMinerals.com) · CC BY 3.0

Sulfate mineral

Properties

Chemical formula

(Al,Mg)Fe³⁺₄(SO₄)₆(OH,O)₂·20H₂O

Group

Sulfates

Crystal system

Triclinic

Hardness (Mohs)

—

Color

—

Luster

—

Streak

—

Density

—

Cleavage

—

Fracture

—

Tenacity

—

Crystal habit

—

Transparency

—

Space group

—

Fluorescence

—

Magnetism

—

Radioactivity

—

Refractive index

—

Optical character

—

Birefringence

—

Pleochroism

—

Strunz classification

7.DB.35

Dana classification

—

IMA status

Grandfathered mineral (G)

IMA symbol

Acpi

Locality

🇺🇸 Temple Mountain

Type locality

—

Discovery year

—

Source: Wikidata