VS
Name
—
K₄(Si₈Al₄)O₂₄·11H₂O
Formula
—
Mineral Species
Entry type
—
Silicates
Chemical class
—
Hexagonal
Crystal system
—
4
Mohs hardness
—
2
Specific gravity
—
White
Streak
—
Vitreous
Luster
—
{10*0}, distinct; parting on {00*1}.]
Cleavage
—
P6_3/mmc
Space group
—
Gmelinite
Structural group
—
Gme-K · Approved
IMA
—
1999
Named in
—
Colorless to brownish
Typical colors
—
K · Si · Al · O · H
Elements
—