VS
Name
—
Ca₃[Si₁₈Al₆O₄₈]·16H₂O
Formula
—
Mineral Species
Entry type
—
Silicates
Chemical class
—
Monoclinic
Crystal system
—
4
Mohs hardness
—
2.22–2.28
Specific gravity
—
white
Streak
—
Vitreous
Luster
—
{010}, perfect
Cleavage
—
C2/m
Space group
—
Mordenite
Structural group
—
Estb · Approved
IMA
—
1826
Named in
—
White, Pink, Colorless
Typical colors
—
Ca · Si · Al · O · H
Elements
—