VS
Name
—
Al₂(Si₃Al)O₁₀(OH)₂·Al₂.₃₃(OH)₆
Formula
—
Mineral Species
Entry type
—
Silicates
Chemical class
—
Monoclinic
Crystal system
—
2.5
Mohs hardness
—
2.63
Specific gravity
—
—
Streak
—
Pearly
Luster
—
One perfect
Cleavage
—
C2
Space group
—
Chlorite, Clay
Structural group
—
Dbs · Grandfathered
IMA
—
1940
Named in
—
White
Typical colors
—
Al · Si · O · H
Elements
—