Photo: Bindi, L., Kihle, J. B., Cheng, G., Hu, J., Yao, N., Ma, C., Guan, Y., Asimow, P. D., and Steinhardt, P. J. · CC BY 4.0

Properties

Chemical formula

Al₄Cu₉

Group

Oxides

Crystal system

Cubic

Hardness (Mohs)

—

Color

—

Luster

—

Streak

—

Density

—

Cleavage

—

Fracture

—

Tenacity

—

Crystal habit

—

Transparency

—

Space group

—

Fluorescence

—

Magnetism

—

Radioactivity

—

Refractive index

—

Optical character

—

Birefringence

—

Pleochroism

—

Strunz classification

—

Dana classification

—

IMA status

Approved mineral and/or valid name (A)

IMA symbol

Jlr

Locality

—

Type locality

—

Discovery year

—

Source: Wikidata