VS
Name
—
(Na,Ca)₀.₃(Al,Mg)₂Si₄O₁₀(OH)₂·nH₂O
Formula
—
Mineral Species
Entry type
—
Silicates
Chemical class
—
Monoclinic
Crystal system
—
1–2
Mohs hardness
—
2–3
Specific gravity
—
white
Streak
—
Dull, earthy
Luster
—
{001}, perfect
Cleavage
—
P1
Space group
—
Clay, Smectite-vermiculite
Structural group
—
Mnt · Grandfathered
IMA
—
1847
Named in
—
White, Pink, Brown, Green, Gray
Typical colors
—
Na · Ca · Al · Mg · Si · O · H
Elements
—