VS
Name
—
Ca(Si₄Al₂)O₁₂·2H₂O
Formula
—
Mineral Species
Entry type
—
Silicates
Chemical class
—
Monoclinic
Crystal system
—
4.5–5
Mohs hardness
—
2.26
Specific gravity
—
white
Streak
—
Vitreous to nearly dull
Luster
—
Two sets of possible partings intersecting at 90 ±
Cleavage
—
I2/a
Space group
—
Analcime
Structural group
—
Wrk · Approved
IMA
—
1955
Named in
—
Colorless, White, Gray
Typical colors
—
Ca · Si · Al · O · H
Elements
—