Photo: David Hospital · CC BY-SA 4.0

Spinel, oxide mineral

Properties

Chemical formula

ZnCr₂O₄

Group

Oxides

Crystal system

Cubic

Hardness (Mohs)

—

Color

Black

Luster

—

Streak

Brown

Density

—

Cleavage

—

Fracture

—

Tenacity

—

Crystal habit

—

Transparency

—

Space group

Fd-3m

Fluorescence

—

Magnetism

—

Radioactivity

—

Refractive index

—

Optical character

—

Birefringence

—

Pleochroism

—

Strunz classification

4.BB.05

Dana classification

7.2.3.6

IMA status

Approved mineral and/or valid name (A)

IMA symbol

Zchr

Locality

🇷🇺 Velikaya Guba uran-vanadium deposit

Type locality

—

Discovery year

—

Source: Wikidata