VS
Name
—
Pb₅Sb₈S₁₇
Formula
—
Mineral Species
Entry type
—
Sulfosalts
Chemical class
—
Monoclinic
Crystal system
—
2.5
Mohs hardness
—
5.54
Specific gravity
—
Blackish lead-gray, deep red-brown
Streak
—
Metallic
Luster
—
Very good on {112}
Cleavage
—
C2/c
Space group
—
—
Structural group
—
Pgi · Grandfathered
IMA
—
1833
Named in
—
Blackish lead-gray; pale white in reflected light
Typical colors
—
Pb · Sb · S
Elements
—