Nepheline

Photo: Robert M. Lavinsky · CC BY-SA 3.0

Nepheline

Nepheline

Na₃K(Al₄Si₄O₁₆)

Tectosilicate mineral

Properties

Chemical formula
Na₃K(Al₄Si₄O₁₆)
Group
Silicates
Crystal system
—
Hardness (Mohs)
—
Color
White
Luster
—
Streak
White
Density
—
Cleavage
—
Fracture
—
Tenacity
—
Crystal habit
—
Transparency
—
Space group
—
Fluorescence
—
Magnetism
—
Radioactivity
—
Refractive index
—
Optical character
—
Birefringence
—
Pleochroism
—
Strunz classification
9.FA.05
Dana classification
—
IMA status
Redefined mineral (Rd)
IMA symbol
Nph
Locality
🇮🇹 Mount Somma
Type locality
—
Discovery year
—

Etymology

Named after cloud

Source: Wikidata

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