Photo: Joan Rosell, from rosellminerals.com · CC BY 4.0

Oxide mineral

Properties

Chemical formula

Cu¹⁺Fe³⁺O₂

Group

Oxides

Crystal system

Trigonal

Hardness (Mohs)

—

Color

Black

Luster

—

Streak

Black

Density

—

Cleavage

—

Fracture

—

Tenacity

—

Crystal habit

—

Transparency

—

Space group

—

Fluorescence

—

Magnetism

—

Radioactivity

—

Refractive index

—

Optical character

—

Birefringence

—

Pleochroism

—

Strunz classification

4.AB.15

Dana classification

—

IMA status

Grandfathered mineral (G)

IMA symbol

Del

Locality

🇷🇺 Mednorudyanskoye copper deposit

Type locality

—

Discovery year

—

Source: Wikidata