VS
Name
—
Na₆Ca₂[Al₆Si₆O₂₄](SO₄,S₃,S₂,Cl)₂·H₂O
Formula
—
Mineral Species
Entry type
—
Silicates
Chemical class
—
Orthorhombic
Crystal system
—
5–5.5
Mohs hardness
—
2.48
Specific gravity
—
Blue
Streak
—
Vitreous to greasy
Luster
—
Distinct on {010}
Cleavage
—
—
Space group
—
Cancrinite-sodalite, Sodalite
Structural group
—
Vla · Approved
IMA
—
2010
Named in
—
Dark blue to ink-blue, light blue or greenish-blue
Typical colors
—
Na · Ca · Al · Si · O · S · Cl · H
Elements
—