Photo: Wikimedia Commons

Sulfate mineral

Properties

Chemical formula

(Ni,Mg,Fe)SO₄ * 6H₂O

Group

Sulfates

Crystal system

Monoclinic

Hardness (Mohs)

2

Color

—

Luster

—

Streak

—

Density

2,07 g/cm³

Cleavage

—

Fracture

—

Tenacity

—

Crystal habit

—

Transparency

—

Space group

—

Fluorescence

—

Magnetism

—

Radioactivity

—

Refractive index

—

Optical character

—

Birefringence

—

Pleochroism

—

Strunz classification

7.CB.25

Dana classification

—

IMA status

Approved mineral and/or valid name (A)

IMA symbol

Nhhy

Locality

🇷🇺 Severniy mine

Type locality

—

Discovery year

—

Source: Wikidata