VS
Name
—
(Ca,Na)₀.₃(Mg,Fe)₃(Si,Al)₄O₁₀(OH)₂·4H₂O
Formula
—
Mineral Species
Entry type
—
Silicates
Chemical class
—
—
Crystal system
—
1–2
Mohs hardness
—
2.24–2.3
Specific gravity
—
white
Streak
—
Greasy
Luster
—
{001}, perfect
Cleavage
—
—
Space group
—
Clay, Smectite-vermiculite
Structural group
—
Sap · Grandfathered
IMA
—
1840
Named in
—
White, Yellow, Green, Brown, Gray
Typical colors
—
Ca · Na · Mg · Fe · Si · Al · O · H
Elements
—