VS
Name
—
Pb₁₂As₁₆S₃₆
Formula
—
Mineral Species
Entry type
—
Sulfosalts
Chemical class
—
Triclinic
Crystal system
—
3
Mohs hardness
—
5.33–5.44
Specific gravity
—
Chocolate-brown
Streak
—
Metallic. Anisotropism: Strong, dark brown, pale brown, pale brownish gray; may be colorful in green, violet
Luster
—
Perfect on {100}
Cleavage
—
P-1
Space group
—
Sartorite
Structural group
—
Bha · Grandfathered
IMA
—
1902
Named in
—
Lead-gray to steel-gray, may tarnish to iridescence; in polished section
Typical colors
—
Pb · As · S
Elements
—