VS
Name
—
Pb₁₂(As₃.₂Sb₂.₈)Σ₆S₂₁
Formula
—
Mineral Species
Entry type
—
Sulfosalts
Chemical class
—
Triclinic
Crystal system
—
3
Mohs hardness
—
6.44
Specific gravity
—
Black
Streak
—
Metallic
Luster
—
Indistinct
Cleavage
—
P-1
Space group
—
Geocronite
Structural group
—
Amcb · Approved
IMA
—
2016
Named in
—
Black, white in reflected light
Typical colors
—
Pb · As · Sb · S
Elements
—