VS
Name
—
K₄(Si₂₀Al₄)O₄₈·13H₂O
Formula
—
Mineral Species
Entry type
—
Silicates
Chemical class
—
Monoclinic
Crystal system
—
4
Mohs hardness
—
2.18
Specific gravity
—
White
Streak
—
Vitreous
Luster
—
Perfect on {100}
Cleavage
—
C2/m
Space group
—
Dachiardite
Structural group
—
Dac-K · Approved
IMA
—
2015
Named in
—
Colorless, white aggregates
Typical colors
—
K · Si · Al · O · H
Elements
—