VS
Name
—
Pb₂Bi₂S₅
Formula
—
Mineral Species
Entry type
—
Sulfosalts
Chemical class
—
Orthorhombic
Crystal system
—
2.5–3
Mohs hardness
—
6.86–6.99
Specific gravity
—
Black
Streak
—
Metallic
Luster
—
Very rare
Cleavage
—
Pbnm
Space group
—
—
Structural group
—
Cos · Grandfathered
IMA
—
1868
Named in
—
Lead-gray to steel-gray to silver-white; in polished section, white, with only a trace of cream
Typical colors
—
Pb · Bi · S
Elements
—