VS
Name
—
Tl₄Pb₂(As,Sb)₂₀S₃₄
Formula
—
Mineral Species
Entry type
—
Sulfosalts
Chemical class
—
Triclinic
Crystal system
—
3–3.5
Mohs hardness
—
4.82
Specific gravity
—
Brownish-red
Streak
—
Submetallic. Anistropism: Strong, bluish to green, red internal reflections. Bireflectance: Strong
Luster
—
none discernable
Cleavage
—
P1
Space group
—
Chabournéite
Structural group
—
Dnr · Approved
IMA
—
2009
Named in
—
Dark gray
Typical colors
—
Tl · Pb · As · Sb · S
Elements
—