VS
Name
—
Ca₂(Si₈Al₄)O₂₄·11H₂O
Formula
—
Mineral Species
Entry type
—
Silicates
Chemical class
—
Hexagonal
Crystal system
—
4.5
Mohs hardness
—
2.11
Specific gravity
—
—
Streak
—
Vitreous.]
Luster
—
{10*0}, distinct; parting on {00*1}
Cleavage
—
P6_3/mmc
Space group
—
Gmelinite
Structural group
—
Gme-Ca · Approved
IMA
—
1978
Named in
—
Colorless, white, reddish white, salmon-red, yellowish, greenish white; colorless in thin section
Typical colors
—
Ca · Si · Al · O · H
Elements
—