VS
Name
—
Na₇Ca(Al₆Si₆O₂₄)(SO₄)(S₃)¹⁻·H₂O
Formula
—
Mineral Species
Entry type
—
Silicates
Chemical class
—
Cubic
Crystal system
—
5–5.5
Mohs hardness
—
2.38–2.45
Specific gravity
—
Bright blue
Streak
—
Vitreous
Luster
—
{110}, imperfect
Cleavage
—
P-43n
Space group
—
Cancrinite-sodalite, Sodalite
Structural group
—
Lzr · Approved
IMA
—
1891
Named in
—
Blue
Typical colors
—
Na · Ca · Al · Si · O · S · H
Elements
—