Spinel, nesosilicate mineral

Properties

Chemical formula

Fe²⁺₂Ge⁴⁺O₄

Group

Silicates

Crystal system

Cubic

Hardness (Mohs)

—

Color

—

Luster

—

Streak

—

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

51.3.3.2

IMA status

Redefined mineral (Rd)

IMA symbol

Bng

Locality

🇳🇦 Tsumeb Mine

Type locality

—

Discovery year

—

Source: Wikidata