Photo: Manuel Pina L · CC BY-SA 4.0

Sulfate mineral

Properties

Chemical formula

MgSO₄·7H₂O

Group

Sulfates

Crystal system

Orthorhombic

Hardness (Mohs)

2

Color

White

Luster

—

Streak

White

Density

1,67 g/cm³

Cleavage

—

Fracture

Conchoidal

Tenacity

—

Crystal habit

—

Transparency

—

Space group

P2₁2₁2₁

Fluorescence

—

Magnetism

—

Radioactivity

—

Refractive index

—

Optical character

—

Birefringence

—

Pleochroism

—

Strunz classification

7.CB.40

Dana classification

29.6.11.1

IMA status

Grandfathered mineral (G)

IMA symbol

Esm

Locality

🇬🇧 Epsom

Type locality

—

Discovery year

—

Source: Wikidata