Photo: David Hospital · CC BY 4.0

Feldspar, tectosilicate mineral

Properties

Chemical formula

Na₂BaAl₄Si₄O₁₆

Group

Silicates

Crystal system

Orthorhombic

Hardness (Mohs)

—

Color

White

Luster

—

Streak

White

Density

—

Cleavage

—

Fracture

—

Tenacity

—

Crystal habit

—

Transparency

—

Space group

Iba2

Fluorescence

—

Magnetism

—

Radioactivity

—

Refractive index

—

Optical character

—

Birefringence

—

Pleochroism

—

Strunz classification

9.FA.60

Dana classification

76.1.6.1

IMA status

Grandfathered mineral (G)

IMA symbol

Bns

Locality

🇬🇧 Benallt Mine

Type locality

—

Discovery year

—

Source: Wikidata