Photo: Wikimedia Commons

Halide mineral

Properties

Chemical formula

Na₂[SiF₆]

Group

Halides

Crystal system

Trigonal

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

3.CH.05

Dana classification

—

IMA status

Grandfathered mineral (G)

IMA symbol

Mld

Locality

🇮🇹 Mount Vesuvius

Type locality

—

Discovery year

—

Source: Wikidata