Photo: Didier Descouens · CC BY-SA 4.0

Mineral, calcium sulfate with bounded water

Properties

Chemical formula

CaSO₄·2H₂O

Group

Sulfates

Crystal system

Monoclinic

Hardness (Mohs)

2

Color

Colorless

Luster

—

Streak

White

Density

2,32 g/cm³

Cleavage

—

Fracture

—

Tenacity

—

Crystal habit

—

Transparency

—

Space group

—

Fluorescence

—

Magnetism

—

Radioactivity

—

Refractive index

—

Optical character

—

Birefringence

—

Pleochroism

—

Strunz classification

7.CD.40

Dana classification

—

IMA status

Grandfathered mineral (G)

IMA symbol

Gp

Locality

—

Type locality

—

Discovery year

—

Source: Wikidata