Photo: Didier Descouens · CC BY-SA 4.0

Tectosilicate mineral; probably a sulfide-rich variety of haüyne

Properties

Chemical formula

Na[(AlSiO4)SO4]

Group

Silicates

Crystal system

Cubic

Hardness (Mohs)

5,5

Color

Blue

Luster

—

Streak

—

Density

—

Cleavage

—

Fracture

—

Tenacity

—

Crystal habit

—

Transparency

—

Space group

P-43n

Fluorescence

—

Magnetism

—

Radioactivity

—

Refractive index

—

Optical character

—

Birefringence

—

Pleochroism

—

Strunz classification

9.FB.10

Dana classification

76.2.3.4

IMA status

Redefined mineral (Rd)

IMA symbol

Lzr

Locality

🇦🇫 Ladjuar Medam

Type locality

—

Discovery year

—

Source: Wikidata