Photo: Robert M. Lavinsky · CC BY-SA 3.0

Mineral (as opposed to the chemical element)

Properties

Chemical formula

As

Group

Elements

Crystal system

Trigonal

Hardness (Mohs)

3,5

Color

—

Luster

—

Streak

—

Density

5,68 g/cm³

Cleavage

—

Fracture

—

Tenacity

—

Crystal habit

—

Transparency

—

Space group

R-3m

Fluorescence

—

Magnetism

—

Radioactivity

—

Refractive index

—

Optical character

—

Birefringence

—

Pleochroism

—

Strunz classification

1.CA.05

Dana classification

—

IMA status

Grandfathered mineral (G)

IMA symbol

As

Locality

—

Type locality

—

Discovery year

—

Source: Wikidata