VS
Name
—
Na₄BeAlSi₄O₁₂Cl
Formula
—
Mineral Species
Entry type
—
Silicates
Chemical class
—
Tetragonal
Crystal system
—
4
Mohs hardness
—
2.33
Specific gravity
—
—
Streak
—
Vitreous
Luster
—
Distinct on {101}, fair on {110}
Cleavage
—
I-4
Space group
—
Cancrinite-sodalite, Sodalite
Structural group
—
Ttp · Approved
IMA
—
1963
Named in
—
White, pink, carmine, bluish, greenish; colorless in thin section
Typical colors
—
Na · Be · Al · Si · O · Cl
Elements
—