VS
Name
—
Pb₄Al₂Si₄O₁₀(SO₄)(CO₃)₂(OH)₄
Formula
—
Mineral Species
Entry type
—
Silicates
Chemical class
—
Monoclinic
Crystal system
—
—
Mohs hardness
—
4.5
Specific gravity
—
—
Streak
—
Vitreous
Luster
—
{100}, perfect
Cleavage
—
—
Space group
—
—
Structural group
—
Keg · Approved
IMA
—
1974
Named in
—
Colorless to white
Typical colors
—
Pb · Al · Si · O · S · C · H
Elements
—