VS
Name
—
Cs(Si₂Al)O₆·nH₂O
Formula
—
Mineral Species
Entry type
—
Silicates
Chemical class
—
Cubic
Crystal system
—
6.5–7
Mohs hardness
—
2.68–3.03
Specific gravity
—
—
Streak
—
Vitreous; greasy to dull on the exterior
Luster
—
In traces
Cleavage
—
Ia3d
Space group
—
Analcime
Structural group
—
Pol · Approved
IMA
—
1846
Named in
—
Colorless, white, gray, or tinted pink, blue, violet; colorless in thin section
Typical colors
—
Cs · Si · Al · O · H
Elements
—