Photo: Fred Kruijen · CC BY-SA 3.0 nl

Tectosilicate mineral

Properties

Chemical formula

Na₈(Si₆Al₆)O₂₄(SO₄)·H₂O

Group

Silicates

Crystal system

Cubic

Hardness (Mohs)

—

Color

—

Luster

—

Streak

—

Density

—

Cleavage

—

Fracture

—

Tenacity

—

Crystal habit

—

Transparency

—

Space group

P-43m

Fluorescence

—

Magnetism

—

Radioactivity

—

Refractive index

—

Optical character

—

Birefringence

—

Pleochroism

—

Strunz classification

9.FB.10

Dana classification

76.2.3.2

IMA status

Grandfathered mineral (G)

IMA symbol

Nsn

Locality

Laach lake volcanic complex

Type locality

—

Discovery year

—

Source: Wikidata