VS
Name
—
Pb₅Si₄O₈(OH)₁₀
Formula
—
Mineral Species
Entry type
—
Silicates
Chemical class
—
Triclinic
Crystal system
—
2
Mohs hardness
—
5.6
Specific gravity
—
White
Streak
—
Resinous to adamantine; pearly on cleavage surfaces
Luster
—
Perfect on {001}
Cleavage
—
C222_1
Space group
—
—
Structural group
—
Ptm · Approved
IMA
—
1979
Named in
—
Colorless to white
Typical colors
—
Pb · Si · O · H
Elements
—