Mineral Name
Chemical Formula
PbS
Preview
Color
light lead gray, dark lead gray
Class
Article
Luster
metallic
Diaphaneity
opaque
Hardness
2.5
Cleavage
3 directions: {001} perfect, {010} perfect, {100} perfect
Fracture
brittle
Density
7.2-7.6
Crystal Shape
most common form is cube, sometimes truncated by the octahedron.
Crystal System
Isometric
COinS
