Photo: Zolotarev, Andrey A. and Krivovichev, Sergey V. and Avdontceva, Margarita S. and Shilovskikh, Vladimir V. and Rassomakhi... · CC BY 4.0

Sulfate mineral

Properties

Chemical formula

KAl(SO₄)₂

Group

Sulfates

Crystal system

Trigonal

Hardness (Mohs)

—

Color

—

Luster

—

Streak

—

Density

—

Cleavage

—

Fracture

—

Tenacity

—

Crystal habit

—

Transparency

—

Space group

P321

Fluorescence

—

Magnetism

—

Radioactivity

—

Refractive index

—

Optical character

—

Birefringence

—

Pleochroism

—

Strunz classification

—

Dana classification

—

IMA status

Approved mineral and/or valid name (A)

IMA symbol

Sek

Locality

Yadovitaya fumarole

Type locality

—

Discovery year

—

Source: Wikidata