VS
Name
—
PbS
Formula
—
Mineral Species
Entry type
—
Sulfides
Chemical class
—
Cubic
Crystal system
—
2.5
Mohs hardness
—
7.4–7.6
Specific gravity
—
Lead-gray
Streak
—
Metallic. R: (400) 51.9, (420) 50.5, (440) 49.1, (460) 47.7, (480) 46.6, (500) 45.4, (520) 44.4, (540) 43.7
Luster
—
Perfect on {001}; parting or cleavage on {111}
Cleavage
—
Fm3m
Space group
—
Rocksalt
Structural group
—
Gn · Grandfathered
IMA
—
0
Named in
—
Gray
Typical colors
—
Pb · S
Elements
—