VS
Name
—
Na₀.₃Zn₃(Si,Al)₄O₁₀(OH)₂·4H₂O
Formula
—
Mineral Species
Entry type
—
Silicates
Chemical class
—
—
Crystal system
—
1–2
Mohs hardness
—
—
Specific gravity
—
—
Streak
—
Dull
Luster
—
{001}, perfect
Cleavage
—
—
Space group
—
Clay, Smectite-vermiculite
Structural group
—
Sau · Grandfathered
IMA
—
1875
Named in
—
Reddish brown, brown, brownish yellow, mottled
Typical colors
—
Na · Zn · Si · Al · O · H
Elements
—