Photo: Tomasz Praszkier (SpiriferMinerals.com) · CC BY 3.0

Mineral, marcasite–löllingite mineral group

Properties

Chemical formula

CoAs₂

Group

Oxides

Crystal system

Orthorhombic

Hardness (Mohs)

—

Color

White

Luster

—

Streak

—

Density

—

Cleavage

—

Fracture

—

Tenacity

—

Crystal habit

—

Transparency

—

Space group

—

Fluorescence

—

Magnetism

—

Radioactivity

—

Refractive index

—

Optical character

—

Birefringence

—

Pleochroism

—

Strunz classification

2.EB.15a

Dana classification

—

IMA status

Grandfathered mineral (G)

IMA symbol

Saf

Locality

🇩🇪 Daniel mine

Type locality

—

Discovery year

—

Source: Wikidata