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

Selenide mineral

Properties

Chemical formula

Cu₃Se₂

Group

Sulfides

Crystal system

Tetragonal

Hardness (Mohs)

—

Color

Red

Luster

—

Streak

Black

Density

—

Cleavage

—

Fracture

—

Tenacity

—

Crystal habit

—

Transparency

—

Space group

P-42₁m

Fluorescence

—

Magnetism

—

Radioactivity

—

Refractive index

—

Optical character

—

Birefringence

—

Pleochroism

—

Strunz classification

2.BA.15c

Dana classification

2.5.1.1

IMA status

Grandfathered mineral (G)

IMA symbol

Um

Locality

🇦🇷 Las Asperezas mine

Type locality

—

Discovery year

—

Source: Wikidata