VS
Name
—
(Na,Ca,K)₈(Al₆Si₆O₂₄)(OH,CO₃)₂·2H₂O
Formula
—
Mineral Species
Entry type
—
Silicates
Chemical class
—
Hexagonal
Crystal system
—
6
Mohs hardness
—
2.32
Specific gravity
—
White
Streak
—
Vitreous
Luster
—
Perfect on {1010}
Cleavage
—
P3
Space group
—
Cancrinite, Cancrinite-sodalite
Structural group
—
Hccn · Approved
IMA
—
1990
Named in
—
Light blue; colorless in thin section
Typical colors
—
Na · Ca · K · Al · Si · O · H · C
Elements
—