VS
Name
—
Pb₂.₄Fe³⁺₂Si₄O₁₀(CO₃)₁.₇(OH)₃·nH₂O
Formula
—
Mineral Species
Entry type
—
Silicates
Chemical class
—
Monoclinic
Crystal system
—
2–2.5
Mohs hardness
—
4
Specific gravity
—
Greenish yellow to olive-green
Streak
—
Silky
Luster
—
Perfect on {010}
Cleavage
—
—
Space group
—
—
Structural group
—
Fsur · Approved
IMA
—
1990
Named in
—
Forest-green to light yellow-green
Typical colors
—
Pb · Fe · Si · O · C · H
Elements
—