VS
Name
—
(Na,Ca)₀.₃Al₂(Si,Al)₄O₁₀(OH)₂·nH₂O
Formula
—
Mineral Species
Entry type
—
Silicates
Chemical class
—
—
Crystal system
—
1–2
Mohs hardness
—
2–3
Specific gravity
—
white
Streak
—
Waxy to vitreous
Luster
—
Perfect on {001}
Cleavage
—
—
Space group
—
Clay, Smectite-vermiculite
Structural group
—
Bei · Grandfathered
IMA
—
1925
Named in
—
White, Yellow, Brown, Gray
Typical colors
—
Na · Ca · Al · Si · O · H
Elements
—